Green Synthesis of Tungsten Ditelluride and the Magnetoresistance Property

Abstract:

As a new type of unsaturated linear magnetoresistive materials, tungsten ditelluride series material has potential applications in the fields of strong magnetic detection, information recording and magnetic storage devices. The current development concepts of “green materials”, “green chemical technology” and “environmentally friendly technology” require us to pursue the non-toxic, low-emission and non-emission in material synthesis technology. At the same time, the prepared products show excellent performance and high versatility and efficiency. According to our previous work, the study attempts to use a low-volatile amine solvent as a pretreatment raw material to synthesize a tungsten germanium-based linear magnetoresistive material by hydrothermal/solvothermal method and self-fluxing method. The obtained materials were subjected to XRD, Raman, SEM and Magnetoresistance. Experimental results show that when the mass ratio of W and Te is 1:4, the prepared material is pure phase and the sample is the layered structure. The Magnetoresistance Property points out that the maximum value is about 190 %, which appears in the condition of 10 K and 7 T. Those test projects include phase, structure and morphology characteristics, and provide technical parameters and methods for the development of green synthesis and potential applications of tungsten ditelluride series linear magnetoresistive materials.

• Periodical: Materials Science Forum (Volume 993)
• Pages: 933-941
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.993.933
• Online since: May 2020
• Authors: Ming Xing Cao, Li Wen Ma*, Xiao Li Xi, Zhi Hong Wang
• Keywords: Environmentally Friendly, Green Synthesis, Magnetoresistance, Tungsten Ditelluride

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