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Is the valley the points K and K’ of the Brillouin zone?
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What people call the valley are inequivalent points of the Brillouin zone? In MoS2 the are two inequivalent points, the K and the K', that...
Discussion Session 3 (Lectures 5 and 6)
09 Sep 2010 | | Contributor(s):: Supriyo Datta
Non-Local Inverse Spin Hall Effect Experiment
26 Oct 2014 | | Contributor(s):: Kerem Yunus Camsari, Samiran Ganguly
The Modular Spintronics Library can be used to model a wide variety of devices and experimental structures. Here we present such an experimental structure that can be used to characterize the "Inverse Spin Hall Effect" and the "Spin Hall Angle" in various different materials....
Non-Local RSO Datta-Das Spin Transistor
Spin-orbit coupling phenomena in semiconductor materials constitute an important avenue for spintronics. The "Rashba Effect" that is commonly observed in III‐V materials has been predicted as a possible way of manipulating spins to show transistor action, and has...
Tutorial Introduction to Topological Insulators
08 May 2014 | | Contributor(s):: Parijat Sengupta
An important pursuit in semiconductor physics is to discover new materials to sustain the continuous progress and improvements in the current electronic devices.Traditionally, three material types are in use: 1) Metals 2) Semiconductors 3) Insulators. All the three material types are classified...
Valley Dependent g-factors in Silicon: Role of Spin-Orbit and Micromagnets
13 Dec 2016 | | Contributor(s):: Rajib Rahman
In this talk I will show that spin splittings in silicon quantum dots are inherently valley-dependent. Interface disorder, such as monoatomic steps, can strongly affect the intrinsic spin-orbit coupling and can cause device-to-device variations in g-factors. I will also describe the anisotropy...