| Magnetic properties of bulk BiCrO3 studied with dc and ac magnetization and specific heat. | |
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MedLine Citation:
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PMID: 17854176 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Single-phased powder BiCrO(3) sample was prepared at 6 GPa and 1653 K. Its magnetic properties were investigated by dc/ac magnetization, magnetic relaxation, and specific heat measurements. Four anomalies of magnetic origin were found near 40, 75, 109, and 111 K. The long-range antiferromagnetic order with weak ferromagnetism occurs at T(N) = 109 K. The ac susceptibilities showed that the transition near T(N) is a two-step transition. Additional frequency-independent broad anomalies were observed on the real part of the ac susceptibilities near 75 K, likely, caused by the change in the magnetic easy axis. The dc magnetic susceptibilities also had anomalies at 75 K, and the isothermal magnetization curves and relaxation curves changed their behavior below 75 K. Below 40 K, frequency-dependent anomalies with very large temperature shifts were observed on both the real and imaginary parts of the ac susceptibilities. The monoclinic-to-orthorhombic structural phase transition near 420 K was investigated by magnetization and differential scanning calorimetry measurements. |
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Authors:
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Alexei A Belik; Naohito Tsujii; Hiroyuki Suzuki; Eiji Takayama-Muromachi |
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Publication Detail:
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Type: Journal Article Date: 2007-09-14 |
Journal Detail:
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Title: Inorganic chemistry Volume: 46 ISSN: 0020-1669 ISO Abbreviation: Inorg Chem Publication Date: 2007 Oct |
Date Detail:
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Created Date: 2007-10-08 Completed Date: 2008-01-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0366543 Medline TA: Inorg Chem Country: United States |
Other Details:
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Languages: eng Pagination: 8746-51 Citation Subset: - |
Affiliation:
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Advanced Nano Materials Laboratory (ANML) and Quantum Beam Center, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan. Alexei.BELIK@nims.go.jp |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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