Observation of Enhanced Long-Range Ferromagnetic Order in B-Site Ordered Double Perovskite Oxide Cd2CrSbO6

被引：0

作者：

Liu, Shengjie ^{[1
,2
]}

Wang, Xiao ^{[1
]}

Deng, Zunyi ^{[3
]}

Ye, Xubin ^{[1
]}

Pan, Zhao ^{[1
]}

Lu, Dabiao ^{[1
,4
]}

Zhao, Haoting ^{[1
,4
]}

Zhang, Jie ^{[1
,4
]}

Pi, Maocai ^{[1
,4
]}

Hu, Zhiwei ^{[5
]}

Chen, Chien-Te ^{[6
]}

Dong, Cheng ^{[1
]}

Shen, Yao ^{[1
]}

Cui, Tian ^{[2
]}

Huang, Yanping ^{[2
]}

Hong, Jiawang ^{[3
]}

Chi, Zhenhua ^{[7
]}

Long, Youwen ^{[1
,4
,8
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China

[2] Ningbo Univ, Inst High Pressure Phys, Sch Phys Sci & Technol, Ningbo 315211, Peoples R China

[3] Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China

[4] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[5] Max Planck Inst Chem Phys Solids, D-01187 Dresden, Germany

[6] Natl Synchrotron Radiat Res Ctr NSRRC, Hsinchu 30076, Taiwan

[7] Chinese Acad Sci, Inst Plasma Phys, HFIPS, Hefei 230031, Peoples R China

[8] Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China

来源：

INORGANIC CHEMISTRY | 2024年 / 63卷 / 42期

基金：

国家重点研发计划; 北京市自然科学基金; 中国博士后科学基金; 中国国家自然科学基金;

关键词：

TOTAL-ENERGY CALCULATIONS; MAGNETIC-PROPERTIES; A-SITE; MAGNETORESISTANCE; PHASE;

D O I：

10.1021/acs.inorgchem.4c03543

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A B-site ordered double perovskite oxide Cd2CrSbO6 was synthesized under high-pressure and high-temperature conditions. The compound crystallizes to a monoclinic structure with a space group of P2(1)/n. The charge configuration is confirmed to be that of Cd2+/Cr3+/Sb5+. The magnetic Cr3+ ions form a tetrahedral structural frustrated lattice, while a long-range ferromagnetic phase transition is found to occur at T-C = 16.5 K arising from the superexchange interaction via the Cr-O-Cd-O-Cr pathway. Electrical transport measurements indicate that Cd2CrSbO6 is an insulator that can be described by the Mott 3D variable range hopping mechanism. First-principles calculations reproduce well the ferromagnetic and insulating ground state of Cd2CrSbO6 with an energy band gap of 1.55 eV. The intrinsic ferromagnetic insulating nature qualifies Cd2CrSbO6 as a promising candidate for possible spintronics applications.

引用

页码：19964 / 19971

页数：8

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