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  1. Spintronics Functionalities of Topological Semimetals

    13 Nov 2020 |

    In this presentation, we theoretically study the spin-transfer torque effect and dynamics of magnetic textures in magnetic Weyl semimetals [3-6].

  2. reference for atomic delta_so

    Q&A|Closed | Responses: 5

    You really make it clear how to calculate the band diagrams of semiconductors (Ch. 5). The Vogl reference is very useful. But I cannot locate any reference for the spin-orbit splitting for all...

    https://nanohub.org/answers/question/2071

  3. Quantum Coherent Transport in Atoms & Electrons

    21 Jun 2017 | | Contributor(s):: Yong P. Chen

    I will discuss some recent experimental examples from my lab studying quantum coherent transport and interferometry in electrons as well as cold atoms.   For example, phase coherent electron transport and interference around a cylinder realized in a nanowire of topological insulator...

  4. 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 of...

  5. Is the valley the points K and K’ of the Brillouin zone?

    Q&A|Closed | Responses: 0

    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 are...

    https://nanohub.org/answers/question/1539

  6. 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....

  7. Non-Local RSO Datta-Das Spin Transistor

    26 Oct 2014 | | Contributor(s):: Kerem Yunus Camsari, Samiran Ganguly

    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...

  8. 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...

  9. Discussion Session 3 (Lectures 5 and 6)

    09 Sep 2010 | | Contributor(s):: Supriyo Datta