Spectroscopic investigation of rare-earth chromium borates RCr3(BO3)4 (R = Nd, Sm) |
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| Authors: | K N Boldyrev E P Chukalina N I Leonyuk |
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| Institution: | (1) Institute of Spectroscopy, Russian Academy of Sciences, ul. Fizicheskaya 5, Troitsk, Moscow oblast, 142190, Russia;(2) Moscow State University, Moscow, 119992, Russia |
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| Abstract: | The optical absorption spectra of single crystals of neodymium and samarium chromium borates are studied. A magnetic phase transition in NdCr3(BO3)4 (at T c = 8 ± 1 K) and SmCr3(BO3)4 (at T c = 5 ± 1 K) is observed. The effective magnetic field acting on the Nd3+ ion from the side of the ordered magnetic subsystem of chromium is estimated. |
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