High Pressure Studies on Structural and Electronic Properties of Layered Transition Metal Dichalcogenides and Possible Earth Core Materials

Ghosh, Bishnupada (2024) High Pressure Studies on Structural and Electronic Properties of Layered Transition Metal Dichalcogenides and Possible Earth Core Materials. PhD thesis, Indian Institute of Science Education and Research Kolkata.

Text (PhD thesis of Bishnupada Ghosh (16RS017)) 16RS017.pdf - Submitted Version Restricted to Repository staff only Download (35MB)

Abstract

This thesis explores the properties of transition metal dichalcogenides (TMD) and light element-doped transition metal alloys under high pressure. Employing high-pressure synchrotron X-ray diffraction, micro-Raman spectroscopy, and resistivity measurements, the study investigates the pressure effects on the structural, vibrational, and electronic properties of these materials. A novel low-temperature, high-pressure resistivity measurement setup has been devised for the investigation of the electronic properties of TMDs under pressure. This thesis provides a detailed exploration of the critical method employed for the sample loading procedure.

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