Investigation of the Hall and Nernst-Ettingshausen Effects in Diluted Magnetic Semiconductors


Year : 2024 | Volume : 13 | Issue : 03 | Page : 1-5
    By

    B. Goswami,

  1. Assistant Professor, Metallurgical Engineering, RVS College of Engineering and Technology, Jamshedpur, India

Abstract

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This review explores the Hall and Nernst-Ettingshausen effects in various magnetic systems, including diluted magnetic semiconductors (DMS), topological insulators, superconductors, and novel composite materials. In DMS, the interplay of ferromagnetism and magnetic impurities introduces unique transport behaviors, particularly influencing the anomalous Hall effect (AHE) and thermomagnetic phenomena. We also examine the Nernst-Ettingshausen effect (NE) in topological insulators and
superconductors, revealing the influence of band topology and vortex-like excitations. Special attention is given to the thermoelectric properties of graphene and its potential for tuning electronic transport via gate voltage. Furthermore, we delve into recent advancements in cryogenic applications utilizing NE-based coolers and the emerging field of composite spin-Seebeck effects, demonstrating their promise for efficient thermoelectric power generation. This comprehensive review synthesizes
experimental and theoretical developments, emphasizing the significance of these effects in advancing future electronic and energy conversion technologies.

Keywords: Diluted magnetic semiconductors (DMS), graphene nanoribbons, Hall effect, Nernst Ettingshausen effect, spin-Seebeck effect, thermomagnetic effects, topological insulators

[This article belongs to Research & Reviews : Journal of Physics ]

How to cite this article:
B. Goswami. Investigation of the Hall and Nernst-Ettingshausen Effects in Diluted Magnetic Semiconductors. Research & Reviews : Journal of Physics. 2024; 13(03):1-5.
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B. Goswami. Investigation of the Hall and Nernst-Ettingshausen Effects in Diluted Magnetic Semiconductors. Research & Reviews : Journal of Physics. 2024; 13(03):1-5. Available from: https://journals.stmjournals.com/rrjophy/article=2024/view=0


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Regular Issue Subscription Review Article
Volume 13
Issue 03
Received 19/10/2024
Accepted 21/10/2024
Published 22/10/2024
Publication Time 3 Days
94

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