Abstract

We demonstrate magnetic lensless imaging by Fourier transform holography using extended references. A narrow slit milled through an opaque gold mask is used as a holographic reference and magnetic contrast is obtained by x-ray magnetic circular dichroism. We present images of magnetic domains in a Co/Pt multilayer thin film with perpendicular magnetic anisotropy. This technique holds advantages over standard Fourier transform holography, where small holes are used to define the reference beam. An increased intensity through the extended reference reduces the counting time to record the farfield diffraction pattern. Additionally it was found that manufacturing narrow slits is less technologically demanding than the same procedure for holes. We achieve a spatial resolution of ∼30 nm, which was found to be limited by the sample period of the chosen experimental setup.

© 2011 OSA

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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2010 (4)

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

2009 (1)

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

2008 (2)

G. van der Laan and C. R. Physique, “Soft x-ray resonant magnetic scattering of magnetic nanostructures,” 9, 570–584 (2008).

M. Guizar Sicairos and J. R. Fienup, “Direct image reconstruction from a Fourier intensity pattern using HERALDO,” Opt. Lett. 33, 2668–2670 (2008).
[CrossRef] [PubMed]

2007 (5)

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

S. G. Podorov, K. M. Pavlov, and D. M. Paganin, “A non-iterative reconstruction method for direct and unambiguous coherent diffractive imaging,” Opt. Express 15, 9954–9962 (2007).
[CrossRef] [PubMed]

M. Guizar-Sicairos and J. R. Fienup, “Holography with extended reference by autocorrelation linear differential operation,” Opt. Express 15, 17592–17612 (2007).
[CrossRef] [PubMed]

2006 (2)

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

2005 (1)

H. Hopster and H. P. Oepen, Magnetic Microscopy of Nanostructures (Springer, 2005).
[CrossRef]

2004 (2)

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

2003 (1)

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

1998 (1)

A. Hubert and R. Schäfer, Magnetic Domains: The Analysis of Magnetic Microstructures (Springer Verlag, 1998).

1990 (1)

S. Hashimoto and Y. Ochiai, “Co/Pt and Co/Pd multilayers as magneto-optical recording materials,” J. Magn. Magn. Mater. 88, 211–226 (1990).
[CrossRef]

1982 (1)

Acremann, Y.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Arm, C.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Auffert, S.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Baltz, V.

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

Bencok, P.

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Beutier, G.

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Boutu, W.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Camerero, J.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Carré, B.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Chapman, H. N.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Chen, K.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

Delaup, B.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Denbeaux, G.

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Dieny, B.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

Eberhardt, W.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Eisebitt, S.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Farle, M.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Fienup, J. R.

Fienup, R. J.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Fischer, P.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Friedenberger, N.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Frömter, R.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Fullerton, E. E.

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Gaudin, G.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Gauthier, D.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Gautier, E.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Ge, X.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Grübel, G.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Guizar Sicairos, M.

Guizar-Sicairos, M.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

M. Guizar-Sicairos and J. R. Fienup, “Holography with extended reference by autocorrelation linear differential operation,” Opt. Express 15, 17592–17612 (2007).
[CrossRef] [PubMed]

Gunther, C.

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

Günther, Ch.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

Gutt, C.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Hankemeier, S.

Hashimoto, S.

S. Hashimoto and Y. Ochiai, “Co/Pt and Co/Pd multilayers as magneto-optical recording materials,” J. Magn. Magn. Mater. 88, 211–226 (1990).
[CrossRef]

He, H.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Hellwig, O.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Hopster, H.

H. Hopster and H. P. Oepen, Magnetic Microscopy of Nanostructures (Springer, 2005).
[CrossRef]

Howells, M.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Hubert, A.

A. Hubert and R. Schäfer, Magnetic Domains: The Analysis of Magnetic Microstructures (Springer Verlag, 1998).

Jimenez, E.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Kobs, A.

Leupold, O.

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Lïning, J.

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

Livet, F.

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Lorgen, M.

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Lörgen, M.

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

Lüning, J.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Marchesini, S.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Marty, A.

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

McNulty, I.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

Menk, C.

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Merdji, H.

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Miranda, R.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Ochiai, Y.

S. Hashimoto and Y. Ochiai, “Co/Pt and Co/Pd multilayers as magneto-optical recording materials,” J. Magn. Magn. Mater. 88, 211–226 (1990).
[CrossRef]

Oepen, H. P.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

H. Hopster and H. P. Oepen, Magnetic Microscopy of Nanostructures (Springer, 2005).
[CrossRef]

Ollefs, K.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Padmore, H. A.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Paganin, D. M.

Pavlov, K. M.

Physique, C. R.

G. van der Laan and C. R. Physique, “Soft x-ray resonant magnetic scattering of magnetic nanostructures,” 9, 570–584 (2008).

Podorov, S. G.

Radu, F.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

Rettner, C. T.

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Rick, R.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

Rodmacq, B.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

Schäfer, R.

A. Hubert and R. Schäfer, Magnetic Domains: The Analysis of Magnetic Microstructures (Springer Verlag, 1998).

Scherz, A.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

Schlotter, W. F.

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

Spence, J. C. H.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Stadler, L.-M.

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Stanescu, S.

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Stickler, D.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Stillrich, H.

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Stöhr, J.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

Streit-Nierobisch, S.

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Tieg, C.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen, “Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography,” Opt. Express 18, 27251–27256 (2010).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

Tyliszczak, T.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

van der Laan, G.

G. van der Laan and C. R. Physique, “Soft x-ray resonant magnetic scattering of magnetic nanostructures,” 9, 570–584 (2008).

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Vogel, J.

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Weierstall, U.

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

Wu, B.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Zhu, D.

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

Appl. Opt. (1)

Appl. Phys Lett. (1)

C. Tieg, E. Jimenez, J. Camerero, J. Vogel, C. Arm, B. Rodmacq, E. Gautier, S. Auffert, B. Delaup, G. Gaudin, B. Dieny, and R. Miranda, “Imaging and quantifying perpendicular exchange biased systems by soft x-ray holography and spectroholography,” Appl. Phys Lett. 96, 072503 (2010).
[CrossRef]

Appl. Phys. Lett. (2)

H. He, U. Weierstall, J. C. H. Spence, M. Howells, H. A. Padmore, S. Marchesini, and H. N. Chapman, “Use of extended and prepared reference objects in experimental Fourier transform x-ray holography,” Appl. Phys. Lett. 85, 2454–2456 (2004).
[CrossRef]

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, C. Gunther, W. Eberhardt, O. Hellwig, and I. McNulty, “Multiple reference Fourier transform holography with soft x rays,” Appl. Phys. Lett. 89, 163112 (2006).
[CrossRef]

J. Appl. Phys. (2)

O. Hellwig, S. Eisebitt, W. Eberhardt, W. F. Schlotter, J. Lïning, and J. Stöhr, “Magnetic imaging with soft x-ray spectroholography,” J. Appl. Phys. 99, 08H307 (2006).
[CrossRef]

S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H. P. Oepen, and G. Grübel, “Magnetic soft x-ray holography study of focused ion beam-patterned Co/Pt multilayers,” J. Appl. Phys. 106, 083909 (2009).
[CrossRef]

J. Magn. Magn. Mater. (1)

S. Hashimoto and Y. Ochiai, “Co/Pt and Co/Pd multilayers as magneto-optical recording materials,” J. Magn. Magn. Mater. 88, 211–226 (1990).
[CrossRef]

Nature (1)

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt, and J. Stöhr, “Lensless imaging of magnetic nanostructures by x-ray spectroholography,” Nature 432, 885–888 (2004).
[CrossRef] [PubMed]

Opt. Express (3)

Opt. Lett. (1)

Phys. Rev. B (3)

V. Baltz, A. Marty, B. Rodmacq, and B. Dieny, “Magnetic domain replication in interacting bilayers with out-of-plane anisotropy: Application to Co/Pt multilayers,” Phys. Rev. B 75, 014406 (2007)
[CrossRef]

S. Eisebitt, M. Lorgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux, “Polarization effects in coherent scattering from magnetic specimen: implications for x-ray holography, lensless imaging, and correlation spectroscopy,” Phys. Rev. B 68, 104419 (2003).
[CrossRef]

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stöhr, J. Lüning, I. McNulty, Ch. Günther, F. Radu, W. Eberhardt, O. Hellwig, and S. Eisebitt, “Phase imaging of magnetic nanostructures using resonant soft x-ray holography,” Phys. Rev. B 76, 214410 (2007).
[CrossRef]

Phys. Rev. Lett. (2)

D. Zhu, M. Guizar-Sicairos, B. Wu, A. Scherz, Y. Acremann, T. Tyliszczak, P. Fischer, N. Friedenberger, K. Ollefs, M. Farle, J. R. Fienup, and J. Stöhr, “High-resolution x-ray lensless imaging by differential holographic encoding,” Phys. Rev. Lett. 105, 043901 (2010).
[CrossRef] [PubMed]

D. Gauthier, M. Guizar-Sicairos, X. Ge, W. Boutu, B. Carré, R. J. Fienup, and H. Merdji, “Single-shot femtosecond x-ray holography using extended references,” Phys. Rev. Lett. 105, 093901 (2010)
[CrossRef] [PubMed]

Rev. Sci. Instrum. (1)

G. Beutier, A. Marty, F. Livet, G. van der Laan, S. Stanescu, and P. Bencok, “Soft x-ray coherent scattering: instrument and methods at ESRF ID08,” Rev. Sci. Instrum. 78, 093901 (2007).
[CrossRef] [PubMed]

Other (3)

H. Hopster and H. P. Oepen, Magnetic Microscopy of Nanostructures (Springer, 2005).
[CrossRef]

G. van der Laan and C. R. Physique, “Soft x-ray resonant magnetic scattering of magnetic nanostructures,” 9, 570–584 (2008).

A. Hubert and R. Schäfer, Magnetic Domains: The Analysis of Magnetic Microstructures (Springer Verlag, 1998).

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Figures (3)

Fig. 1
Fig. 1

(Color online) (a) Schematic of the sample design cross section. (b) Scanning Electron Micrograph (SEM) of the object aperture and the reference slit viewed from the side of the Au mask (scale bar = 1 μm). (c) Polar MOKE hysteresis loop of the Co/Pt multilayer. (d) Typical MFM image showing the maze domain structure that forms in a [Co(5Å)/Pt(10Å)] ×30 multilayer at remanence (scale bar = 300 nm).

Fig. 2
Fig. 2

(Color online) (a) The object and reference slit are illuminated by the coherent x-ray beam. (b) The hologram formed by the interference of the scattered x-rays from the object and reference slit is recorded on the CCD camera in the far field. (c) A linear differential filter, defined by the derivative of the slit direction, is multiplied by the hologram before performing a Fourier transform to retrieve the reconstructed image.

Fig. 3
Fig. 3

(Color online) (a) Difference between the images taken with the two opposite x-ray helicities after applying a differential filter (only the central 1000×1000 pixels are shown. Scale bar = 20 μm−1). (b) Fourier transform of (a), showing the real part of the image. The crosscorrelations between the reference slit edges and the object, and their twin images can be seen (only the central 410×410 pixels are shown. Scale bar = 1.5 μm). (c) Magnified view of one of the crosscorrelations from (b); the thin lines across the domains indicate the location where the profile scans in (d) were taken. (d) The horizontal line scan (orange square symbols) corresponds to the resolution along the slit direction. The intensity profile across the domain vertically (blue triangle symbols) corresponds to the resolution across the width of the slit. The data is fitted (red lines) using a hyperbolic tangent and the resolved width of the domain wall is obtained as w ≈ 30±10 nm in both directions. For clarity, both curves have been shifted arbitrarily along the x-axis.

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