期刊
SOLID STATE COMMUNICATIONS
卷 113, 期 11, 页码 657-662出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0038-1098(99)00532-3
关键词
magnetically ordered materials; crystal structure and symmetry; electronic transport; exchange and superexchange; optical properties
The magnetic, transport, optical, and structural properties of quasi-one-dimensional BaIrO3 show evidence for the simultaneous onset of electronic density wave formation and ferromagnetism at T-c3 = 175 K, Two additional features in the chain direction de conductivity show a sudden change to metallic behavior below T-c2 = 80 K and then a Mott-like transition at T-c1 = 26 K. Highly non-linear de conductivity, optical gap formation at approximate to 9k(B)T(c3), additional phonon modes, and emergent X-ray satellite structure support density wave formation, Even at very high (30 T) fields the saturation Ir moment is very small, approximate to 0.04 mu(B)/Ir (C) 2000 Elsevier Science Ltd. All rights reserved.
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