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Updated: Jan 23, 2026

Synthesis of Non-uniformly Pr-doped SrTiO3 Ceramics and Their Thermoelectric Properties
Published on: August 15, 2015
Room temperature ferromagnetic properties of In2S3 nanoparticles regulated by doping with Gd ions
Yi Liu1, Hongpeng Zhang1, Qi Zhao1
1State Key Laboratory of Superhard Materials, College of physics, Jilin University, Changchun 130012, People's Republic of China. zhangmz@jlu.edu.cn.
Abstract:
In2S3, having a suitable bandgap and tunable magnetism, is a promising material for spintronic applications. Herein, we report that pristine In2S3 and In2S3:Gd3+ nanoparticles, with room temperature ferromagnetism, were synthesized by a gas-liquid phase chemical deposition method. The bandgap value, photoluminescence (PL) intensity and magnetic properties of In2S3:Gd3+ nanoparticles can be tuned by regulating the Gd3+ dopant concentration. In addition, the measured saturation magnetization in undoped In2S3 nanoparticles is 0.011 emu g-1 and the maximum saturation magnetization observed in In2S3:Gd3+ nanoparticles is 0.035 emu g-1; the corresponding magnetic mechanism is explicated based on bound-magnetic-polaron (BMP) theory. First-principles DFT calculations reveal that In vacancy and Gd3+ ion doping can induce intrinsic ferromagnetism. Finally, the results obtained from experiment and theory suggest the potential of Gd-doped In2S3 for application in spintronic devices.
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