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Conferences > PMED > 1993 > FrH > FrH.3

A New Threshold Effects in LiNbO3 :Mg.

I. M. Zaritskii, L. G. Rakitina, A. A. Konchits, G. Corradi, and K. Polgar

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Abstract

Qualitative and quantitative change of intrinsic paramagnetic radiation defects composition is found in g-irradiated at 77 K crystals of LiNbO3:Mg, if the concentration of Mg was above a threshold Mg concentration (4 - 7 mol.%). A new effect is observed in these crystals, co-doped with Cr or Fe - an appearance of HTSC like non-resonant microwave absorption signal in near zero magnetic field at ≤ 280 K.

© 1993 Optical Society of America

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