Abstract

The Z-scan experimental technique is used to measure the concentration-dependent Soret coefficient of surfacted magnetic nanoparticles in water [pure ferrofluid (FF)] and in a micellar lyotropic mixture [lyotropic doped with ferrofluid (FL)]. In both cases, the magnetic-particle contribution to the Soret coefficient is shown to be proportional to its concentration. In the case of the ferrofluid-doped lyotropic system, it was possible to evaluate the Soret coefficient associated with the micelles under a temperature gradient. The thermal diffusion coefficients keep the relation DFLT ≃ 0.4 ×D FFT. The Soret effective mobilities evaluated are μFFs ∼ 6×1011 s kg−1 and μFLs ∼ 2 × 1011 s kg−1 for the pure ferrofluid and micellar media, respectively. From a nanoscopic point of view, the smaller value of μFLs when compared to μFFs could be pictured as an additional resistance of the micellar medium to the particle's flow imposed by the temperature gradient. This procedure gives a new way of determining the Soret coefficient of a weakly absorbing medium.

© 2006 Optical Society of America

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    [CrossRef]
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  9. M. Marcoux and M. C. Charrier-Mojtabi, "Résolution analytique du problème de la diffusion thermogravitationnelle dans un mélange ternaire," Entropie 218, 13-17 (1999).
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    [CrossRef]
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    [CrossRef]
  12. E. Blums, G. Kronkalns, and R. Ozols, "The characteristics of mass transfer processes in magnetic fluids," J. Magn. Magn. Mater. 39, 142-146 (1983).
    [CrossRef]
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    [CrossRef]
  20. S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).
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    [CrossRef]
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  24. S. I. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the Soret coefficient in magnetic fluids using the Z-scan technique," J. Magn. Magn. Mater. 289C, 285-288 (2005).
    [CrossRef]
  25. A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).
  26. S. Alves, F. L. S. Cuppo, and A. M. Figueiredo Neto, "Determination of the nonlinear refractive index of lyotropic mixtures with and without the ferrofluid doping: a time-resolved Z-scan experiment in millisecond time scales," J. Opt. Soc. Am. B 23, 67-74 (2006).
    [CrossRef]
  27. J. Lenglet, "Generation de second harmonique et diffusion Rayleigh force dans les colloïdes magnetiques," These de doctorat (l'Université Paris 7 Denis Diderot, 1996).
  28. A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
    [CrossRef]
  29. Y. Galerne, A. M. Figueiredo Neto, and L. Liébert, "Microscopical structure of the uniaxial and biaxial lyotropic nematics," J. Chem. Phys. 87, 1851-1856 (1987).
    [CrossRef]
  30. P. R. G. Fernandes and A. M. Figueiredo Neto, "Flow-induced birefringence in a lyotropic liquid crystal in the isotropic phase: an order diffusion approach," Phys. Rev. E 56, 6185-6188 (1997).
    [CrossRef]

2006

2005

K. B. Haugen and A. Firoozabadi, "On measurement of thermal diffusion coefficients in multicomponent mixtures," J. Chem. Phys. 122, 014516 (2005).
[CrossRef]

A. Leahy-Dios, M. M. Bou-Ali, J. K. Platten, and A. Firoozabadi, "Measurements of molecular and thermal diffusion coefficients in ternary mixtures," J. Chem. Phys. 122, 234502 (2005).
[CrossRef]

S. I. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the Soret coefficient in magnetic fluids using the Z-scan technique," J. Magn. Magn. Mater. 289C, 285-288 (2005).
[CrossRef]

2004

S. Wiegand, "Thermal diffusion in liquids and polymer solutions," J. Phys.: Condens. Matter 16, R357-R379 (2004).
[CrossRef]

2003

S. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Generalization of the thermal lens model formalism to account for thermodiffusion in a single-beam Z-scan experiment: determination of the Soret coefficient," J. Opt. Soc. Am. B 20, 713-718 (2003).

S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).

2002

R. Piazza and A. Guarino, "Soret effect in interacting micellar solutions," Phys. Rev. Lett. 88, 208302 (2002).
[CrossRef]

J. Lenglet, A. Bourdon, J. C. Bacri, and G. Demouchy, "Thermodiffusion in magnetic colloids evidenced and studied by forced Rayleigh scattering experiments," Phys. Rev. E 65, 031408 (2002).
[CrossRef]

2001

N. Arnaud and J. Georges, "Thermal lens spectrometry in aqueous solutions of Brij 35: investigation of micelle effects on the time-resolved and steady-state signals," Spectrochim. Acta Part A 57, 1085-1092 (2001).

A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).

1999

M. Marcoux and M. C. Charrier-Mojtabi, "Résolution analytique du problème de la diffusion thermogravitationnelle dans un mélange ternaire," Entropie 218, 13-17 (1999).

1997

P. R. G. Fernandes and A. M. Figueiredo Neto, "Flow-induced birefringence in a lyotropic liquid crystal in the isotropic phase: an order diffusion approach," Phys. Rev. E 56, 6185-6188 (1997).
[CrossRef]

1996

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

1993

W. Köhler, "Thermodiffusion in polymer solutions as observed by forced Rayleigh scattering," J. Chem. Phys. 98, 660-668 (1993).
[CrossRef]

1990

O. Ecenarro, J. A. Madariaga, J. Navarro, C. M. Santamaria, J. A. Carrion, and J. M. Saviron, "Fickian and thermal diffusion coefficients from liquid thermogravitational columns," J. Phys.: Condens. Matter 2, 2289-2296 (1990).
[CrossRef]

1989

1987

Y. Galerne, A. M. Figueiredo Neto, and L. Liébert, "Microscopical structure of the uniaxial and biaxial lyotropic nematics," J. Chem. Phys. 87, 1851-1856 (1987).
[CrossRef]

1983

E. Blums, G. Kronkalns, and R. Ozols, "The characteristics of mass transfer processes in magnetic fluids," J. Magn. Magn. Mater. 39, 142-146 (1983).
[CrossRef]

1979

L. Liébert and A. Martinet, "Coupling between nematic lyomesophases and ferrofluids," J. Phys. (Paris), Lett. 40, 363-368 (1979).

1970

F. Brochard and P. G. de Gennes, "Theory of magnetic suspensions in liquid crystals," J. Phys. (Paris) 31, 691-708 (1970).

J. Rault, P. E. Cladis, and J. P. Burger, "Ferronematics," Phys. Lett. 32A, 199-200 (1970).
[CrossRef]

1879

Ch. Soret, "Sur l'état d'équilibre que prend au point de vue de sa concentration une dissolution saline primitivement homogène dont deux parties sont portées a des températures différentes," Arch. Sci. Phys. Nat. 2, 48-61 (1879).

Alves, S.

Alves, S. I.

S. I. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the Soret coefficient in magnetic fluids using the Z-scan technique," J. Magn. Magn. Mater. 289C, 285-288 (2005).
[CrossRef]

Arnaud, N.

N. Arnaud and J. Georges, "Thermal lens spectrometry in aqueous solutions of Brij 35: investigation of micelle effects on the time-resolved and steady-state signals," Spectrochim. Acta Part A 57, 1085-1092 (2001).

Bacri, J. C.

J. Lenglet, A. Bourdon, J. C. Bacri, and G. Demouchy, "Thermodiffusion in magnetic colloids evidenced and studied by forced Rayleigh scattering experiments," Phys. Rev. E 65, 031408 (2002).
[CrossRef]

Baesso, M. L.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Bee, A.

S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).

Bento, A. C.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Blums, E.

E. Blums, G. Kronkalns, and R. Ozols, "The characteristics of mass transfer processes in magnetic fluids," J. Magn. Magn. Mater. 39, 142-146 (1983).
[CrossRef]

Bou-Ali, M. M.

A. Leahy-Dios, M. M. Bou-Ali, J. K. Platten, and A. Firoozabadi, "Measurements of molecular and thermal diffusion coefficients in ternary mixtures," J. Chem. Phys. 122, 234502 (2005).
[CrossRef]

Bourdon, A.

S. I. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the Soret coefficient in magnetic fluids using the Z-scan technique," J. Magn. Magn. Mater. 289C, 285-288 (2005).
[CrossRef]

S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).

S. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Generalization of the thermal lens model formalism to account for thermodiffusion in a single-beam Z-scan experiment: determination of the Soret coefficient," J. Opt. Soc. Am. B 20, 713-718 (2003).

J. Lenglet, A. Bourdon, J. C. Bacri, and G. Demouchy, "Thermodiffusion in magnetic colloids evidenced and studied by forced Rayleigh scattering experiments," Phys. Rev. E 65, 031408 (2002).
[CrossRef]

Brochard, F.

F. Brochard and P. G. de Gennes, "Theory of magnetic suspensions in liquid crystals," J. Phys. (Paris) 31, 691-708 (1970).

Burger, J. P.

J. Rault, P. E. Cladis, and J. P. Burger, "Ferronematics," Phys. Lett. 32A, 199-200 (1970).
[CrossRef]

Campos, A. F. C.

A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).

Carrion, J. A.

O. Ecenarro, J. A. Madariaga, J. Navarro, C. M. Santamaria, J. A. Carrion, and J. M. Saviron, "Fickian and thermal diffusion coefficients from liquid thermogravitational columns," J. Phys.: Condens. Matter 2, 2289-2296 (1990).
[CrossRef]

Charrier-Mojtabi, M. C.

M. Marcoux and M. C. Charrier-Mojtabi, "Résolution analytique du problème de la diffusion thermogravitationnelle dans un mélange ternaire," Entropie 218, 13-17 (1999).

Cladis, P. E.

J. Rault, P. E. Cladis, and J. P. Burger, "Ferronematics," Phys. Lett. 32A, 199-200 (1970).
[CrossRef]

Costeseque, P.

P. Costeseque, D. Fargue, and P. Jamet, in Thermal Nonequilibrium Phenomena in Fluid Mixtures, W.Köler and S.Wiegand, eds. (Springer, 2002).

Cuppo, F. L. S.

da Silva, E. C.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

da Silva, G. J.

A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).

de Gennes, P. G.

F. Brochard and P. G. de Gennes, "Theory of magnetic suspensions in liquid crystals," J. Phys. (Paris) 31, 691-708 (1970).

de Groot, S. R.

S. R. de Groot, L'Effet Soret, Diffusion Thermique dans les Phases Condensées (Noord-Hollandsche Uitgevers Maatschappij, 1945).

Demouchy, G.

S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).

J. Lenglet, A. Bourdon, J. C. Bacri, and G. Demouchy, "Thermodiffusion in magnetic colloids evidenced and studied by forced Rayleigh scattering experiments," Phys. Rev. E 65, 031408 (2002).
[CrossRef]

Depeyrot, J.

A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).

Ecenarro, O.

O. Ecenarro, J. A. Madariaga, J. Navarro, C. M. Santamaria, J. A. Carrion, and J. M. Saviron, "Fickian and thermal diffusion coefficients from liquid thermogravitational columns," J. Phys.: Condens. Matter 2, 2289-2296 (1990).
[CrossRef]

Evangelista, L. R.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Fargue, D.

P. Costeseque, D. Fargue, and P. Jamet, in Thermal Nonequilibrium Phenomena in Fluid Mixtures, W.Köler and S.Wiegand, eds. (Springer, 2002).

Fernandes, P. R. G.

P. R. G. Fernandes and A. M. Figueiredo Neto, "Flow-induced birefringence in a lyotropic liquid crystal in the isotropic phase: an order diffusion approach," Phys. Rev. E 56, 6185-6188 (1997).
[CrossRef]

Figueiredo Neto, A. M.

S. Alves, F. L. S. Cuppo, and A. M. Figueiredo Neto, "Determination of the nonlinear refractive index of lyotropic mixtures with and without the ferrofluid doping: a time-resolved Z-scan experiment in millisecond time scales," J. Opt. Soc. Am. B 23, 67-74 (2006).
[CrossRef]

S. I. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the Soret coefficient in magnetic fluids using the Z-scan technique," J. Magn. Magn. Mater. 289C, 285-288 (2005).
[CrossRef]

S. Alves, G. Demouchy, A. Bee, D. Talbot, A. Bourdon, and A. M. Figueiredo Neto, "Investigation of the sign of the Soret coefficient in different ionic and surfacted magnetic colloids using the forced Rayleigh scattering and single-beam Z-scan techniques," Philos. Mag. 83, 2059-2066 (2003).

S. Alves, A. Bourdon, and A. M. Figueiredo Neto, "Generalization of the thermal lens model formalism to account for thermodiffusion in a single-beam Z-scan experiment: determination of the Soret coefficient," J. Opt. Soc. Am. B 20, 713-718 (2003).

P. R. G. Fernandes and A. M. Figueiredo Neto, "Flow-induced birefringence in a lyotropic liquid crystal in the isotropic phase: an order diffusion approach," Phys. Rev. E 56, 6185-6188 (1997).
[CrossRef]

Y. Galerne, A. M. Figueiredo Neto, and L. Liébert, "Microscopical structure of the uniaxial and biaxial lyotropic nematics," J. Chem. Phys. 87, 1851-1856 (1987).
[CrossRef]

A. M. Figueiredo Neto and S. R. A. Salinas, The Physics of Lyotropic Liquid Crystals: Phase Transitions and Structural Properties (Oxford U. Press, 2005).

Firoozabadi, A.

K. B. Haugen and A. Firoozabadi, "On measurement of thermal diffusion coefficients in multicomponent mixtures," J. Chem. Phys. 122, 014516 (2005).
[CrossRef]

A. Leahy-Dios, M. M. Bou-Ali, J. K. Platten, and A. Firoozabadi, "Measurements of molecular and thermal diffusion coefficients in ternary mixtures," J. Chem. Phys. 122, 234502 (2005).
[CrossRef]

Galerne, Y.

Y. Galerne, A. M. Figueiredo Neto, and L. Liébert, "Microscopical structure of the uniaxial and biaxial lyotropic nematics," J. Chem. Phys. 87, 1851-1856 (1987).
[CrossRef]

Georges, J.

N. Arnaud and J. Georges, "Thermal lens spectrometry in aqueous solutions of Brij 35: investigation of micelle effects on the time-resolved and steady-state signals," Spectrochim. Acta Part A 57, 1085-1092 (2001).

Guarino, A.

R. Piazza and A. Guarino, "Soret effect in interacting micellar solutions," Phys. Rev. Lett. 88, 208302 (2002).
[CrossRef]

Haugen, K. B.

K. B. Haugen and A. Firoozabadi, "On measurement of thermal diffusion coefficients in multicomponent mixtures," J. Chem. Phys. 122, 014516 (2005).
[CrossRef]

Jamet, P.

P. Costeseque, D. Fargue, and P. Jamet, in Thermal Nonequilibrium Phenomena in Fluid Mixtures, W.Köler and S.Wiegand, eds. (Springer, 2002).

Köhler, W.

W. Köhler, "Thermodiffusion in polymer solutions as observed by forced Rayleigh scattering," J. Chem. Phys. 98, 660-668 (1993).
[CrossRef]

Kronkalns, G.

E. Blums, G. Kronkalns, and R. Ozols, "The characteristics of mass transfer processes in magnetic fluids," J. Magn. Magn. Mater. 39, 142-146 (1983).
[CrossRef]

Lara, M. C. F. L.

A. F. C. Campos, F. A. Tourinho, G. J. da Silva, M. C. F. L. Lara, and J. Depeyrot, "Nanoparticles superficial density of charge in electric double-layered magnetic fluid: a conductimetric and potentiometric approach," Eur. Phys. J. E 6, 29-35 (2001).

Leahy-Dios, A.

A. Leahy-Dios, M. M. Bou-Ali, J. K. Platten, and A. Firoozabadi, "Measurements of molecular and thermal diffusion coefficients in ternary mixtures," J. Chem. Phys. 122, 234502 (2005).
[CrossRef]

Lenglet, J.

J. Lenglet, A. Bourdon, J. C. Bacri, and G. Demouchy, "Thermodiffusion in magnetic colloids evidenced and studied by forced Rayleigh scattering experiments," Phys. Rev. E 65, 031408 (2002).
[CrossRef]

J. Lenglet, "Generation de second harmonique et diffusion Rayleigh force dans les colloïdes magnetiques," These de doctorat (l'Université Paris 7 Denis Diderot, 1996).

Liébert, L.

Y. Galerne, A. M. Figueiredo Neto, and L. Liébert, "Microscopical structure of the uniaxial and biaxial lyotropic nematics," J. Chem. Phys. 87, 1851-1856 (1987).
[CrossRef]

L. Liébert and A. Martinet, "Coupling between nematic lyomesophases and ferrofluids," J. Phys. (Paris), Lett. 40, 363-368 (1979).

Madariaga, J. A.

O. Ecenarro, J. A. Madariaga, J. Navarro, C. M. Santamaria, J. A. Carrion, and J. M. Saviron, "Fickian and thermal diffusion coefficients from liquid thermogravitational columns," J. Phys.: Condens. Matter 2, 2289-2296 (1990).
[CrossRef]

Mansanares, A. M.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Marcoux, M.

M. Marcoux and M. C. Charrier-Mojtabi, "Résolution analytique du problème de la diffusion thermogravitationnelle dans un mélange ternaire," Entropie 218, 13-17 (1999).

Martinet, A.

L. Liébert and A. Martinet, "Coupling between nematic lyomesophases and ferrofluids," J. Phys. (Paris), Lett. 40, 363-368 (1979).

Navarro, J.

O. Ecenarro, J. A. Madariaga, J. Navarro, C. M. Santamaria, J. A. Carrion, and J. M. Saviron, "Fickian and thermal diffusion coefficients from liquid thermogravitational columns," J. Phys.: Condens. Matter 2, 2289-2296 (1990).
[CrossRef]

Ozols, R.

E. Blums, G. Kronkalns, and R. Ozols, "The characteristics of mass transfer processes in magnetic fluids," J. Magn. Magn. Mater. 39, 142-146 (1983).
[CrossRef]

Palngana, A. J.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Pereira, J. R. D.

A. C. Bento, A. J. Palngana, L. R. Evangelista, M. L. Baesso, J. R. D. Pereira, E. C. da Silva, and A. M. Mansanares, "Geometrical anisotropy dependence of thermal diffusivity in lyotropic nematics: mode mismatched thermal lens measurements," Appl. Phys. Lett. 68, 3371-3373 (1996).
[CrossRef]

Piazza, R.

R. Piazza and A. Guarino, "Soret effect in interacting micellar solutions," Phys. Rev. Lett. 88, 208302 (2002).
[CrossRef]

Platten, J. K.

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