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Investigation of The Magnetic Properties of Zn2TiO4 Single Crystal

Journal of Magnetics, Volume 24, Number 3, 30 Sep 2019, Pages 512-517
Ying Liu (State Key Laboratory of Superhard Materials, College of physics, Jilin University), Liang Li (State Key Laboratory of Superhard Materials, College of physics, Jilin University), Huamin Yu (State Key Laboratory of Superhard Materials, College of physics, Jilin University), Tian Cui (State Key Laboratory of Superhard Materials, College of physics, Jilin University), Dapeng Xu * (State Key Laboratory of Superhard Materials, College of physics, Jilin University)
Abstract
The magnetic properties of Zn2TiO4 single crystals were investigated by physical property measurement system (PPMS). The field dependent magnetization (M-H) curves showed a weak ferromagnetism at low field and
diamagnetism at high field for Zn2TiO4 single crystals. The zero-field-cooled (ZFC) and field-cooled (FC) curves further confirmed ferromagnetic behavior of the sample. With the temperature decreasing from 300 to
10 K, the weak ferromagnetism increased slowly. Around 50 K, the M-T curves had a shoulder. After the temperature decreased to 10 K, the ferromagnetism increased significantly. The magnetic mechanism was investigated using the first-principle calculations method. The origin of the ferromagnetic was discussed.
 
Keywords: Spinel; Zn2TiO4 single crystal; Ferromagnetism
DOI: https://doi.org/10.4283/JMAG.2019.24.3.512
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