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A Lab-scale Spin and Angular Resolved Photoemission Spectroscopy Capability for 2D Valleytronics

Published online by Cambridge University Press:  19 December 2016

Fabio Bussolotti
Affiliation:
Institute for Material Research and Engineering (IMRE), #08-03, Innovis, 2 Fusionopolis Way, Singapore 138634
Zheng Zhang
Affiliation:
Institute for Material Research and Engineering (IMRE), #08-03, Innovis, 2 Fusionopolis Way, Singapore 138634
Hiroyo Kawai
Affiliation:
Institute for Material Research and Engineering (IMRE), #08-03, Innovis, 2 Fusionopolis Way, Singapore 138634
Kuan Eng Johnson Goh*
Affiliation:
Institute for Material Research and Engineering (IMRE), #08-03, Innovis, 2 Fusionopolis Way, Singapore 138634
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Abstract

We report on the establishment of a new lab-scale experimental capability for Spin and Angular Resolved Photoemission Spectroscopy (SARPES) for the study of valleytronics related materials. The ARPES capabilities of the system were demonstrated by measurement on gold [Au(111)] and molybdenum disulphide (MoS2) single crystals and the full functionality of the spin detector was also verified. Experimental results are compared with theoretical modeling by ab-initio band structure calculations. We discuss the potential scope of measurement that this experimental setup affords for investigating spin-related properties (e.g. spin-orbit coupling, valley transport, etc.) in layered materials.

Type
Articles
Copyright
Copyright © Materials Research Society 2016 

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References

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