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钴离子多重态涨落对 NdCoO 和 SmCoO 晶体结构、磁和电性能的影响。

Effect of Multiplicity Fluctuation in Cobalt Ions on Crystal Structure, Magnetic and Electrical Properties of NdCoO and SmCoO.

机构信息

Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia.

Institute of Engineering Physics and Radio Electronics, Siberian Federal University, 660041 Krasnoyarsk, Russia.

出版信息

Molecules. 2020 Mar 12;25(6):1301. doi: 10.3390/molecules25061301.

DOI:10.3390/molecules25061301
PMID:32178469
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7144116/
Abstract

The structural, magnetic, electrical, and dilatation properties of the rare-earth NdCoO and SmCoO cobaltites were investigated. Their comparative analysis was carried out and the effect of multiplicity fluctuations on physical properties of the studied cobaltites was considered. Correlations between the spin state change of cobalt ions and the temperature dependence anomalies of the lattice parameters, magnetic susceptibility, volume thermal expansion coefficient, and electrical resistance have been revealed. A comparison of the results with well-studied GdCoO allows one to single out both the general tendencies inherent in all rare-earth cobaltites taking into account the lanthanide contraction and peculiar properties of the samples containing Nd and Sm.

摘要

研究了稀土 NdCoO 和 SmCoO 钴酸盐的结构、磁性、电学和膨胀性质。对它们进行了比较分析，并考虑了多重性波动对研究钴酸盐物理性质的影响。揭示了钴离子自旋态变化与晶格参数、磁化率、体积热膨胀系数和电阻的温度依赖性异常之间的关系。将结果与经过充分研究的 GdCoO 进行比较，可以确定所有稀土钴酸盐都存在的一般趋势，同时考虑到镧系收缩和包含 Nd 和 Sm 的样品的特殊性质。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/2a73248b83ff/molecules-25-01301-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/26f87d49d835/molecules-25-01301-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/4a502c01b1b7/molecules-25-01301-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/d1cec11ceefa/molecules-25-01301-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/eb27c62d0787/molecules-25-01301-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/02e08881c2fe/molecules-25-01301-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/04f73e40d517/molecules-25-01301-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/5a137f51a6e9/molecules-25-01301-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/45976e784f3f/molecules-25-01301-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/28473538e71d/molecules-25-01301-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/2a73248b83ff/molecules-25-01301-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/26f87d49d835/molecules-25-01301-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/4a502c01b1b7/molecules-25-01301-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/d1cec11ceefa/molecules-25-01301-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/eb27c62d0787/molecules-25-01301-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/02e08881c2fe/molecules-25-01301-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/04f73e40d517/molecules-25-01301-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/5a137f51a6e9/molecules-25-01301-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/45976e784f3f/molecules-25-01301-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/28473538e71d/molecules-25-01301-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a922/7144116/2a73248b83ff/molecules-25-01301-g010.jpg

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