Infomat: the encounter between magnetic two dimensional layered materials and Ferromagnetic Semiconductors

wallpapers Nicaragua News 2020-10-26
The explosive growth of

quantum computing high-frequency devices high-density information storage other applications will stimulate more advanced information technology requirements in high integration ultra-high-speed response low-power consumption. Facing the continuous miniaturization of transistors memory cells the mutual control between electron charge spin is very expected. Therefore the study of two-dimensional Ferromagnetic Semiconductors their heterojunctions will be an important direction which is expected to combine the complementary functions of semiconductors ferromagnetic materials to allow the coupling independent control of electron charge spin. Professor Wang Jinlan's team of Southeast University published a review paper entitled "magnetic two ‐ dimensional layered crystals meet with Ferromagnetic Semiconductors" on infomat. In this paper the theoretical progress of two-dimensional intrinsic Ferromagnetic Semiconductors in recent years is summarized the current strategies to enhance ferromagnetism are discussed including the significance of magnetic exchange interaction mechanism magnetic anisotropy. At the same time the multi-functional properties of ultrathin Ferromagnetic Semiconductors their van der Waals heterostructures such as magnetoelectricity valley electron quantum anomalous Hall effect are also introduced. The challenges development prospects in this field are also prospected. In the past few years

two-dimensional ferromagnetic semiconductors have received extensive attention made great progress. Various intrinsic two-dimensional ferromagnetic semiconductors with different crystal structures unique properties have been widely studied. Firstly the types magnetic properties of two-dimensional intrinsic Ferromagnetic Semiconductors are introduced. Firstly the structure physical properties of two-dimensional ferromagnetic semiconductors are summarized. Because the Curie temperature of most single-layer or multi-layer Ferromagnetic Semiconductors is much lower than room temperature ferromagnetic exchange interaction magnetic anisotropy are two key factors of low dimensional magnetism. The former is directly related to the Curie temperature while the latter plays an important role in preventing spin thermal disturbance. Therefore the strategies of strain carrier doping adsorption vacancy construction of alloy compounds are introduced to enhance ferromagnetism. Secondly the multifunctional properties based on the unique magnetic electronic properties of two-dimensional Ferromagnetic Semiconductors their heterojunctions are discussed including magnetoelectric coupling spin Valley coupling quantum anomalous Hall effect which are indispensable for the application of Ferromagnetic Semiconductors in spintronics in the future. Although the research of

two-dimensional layered Ferromagnetic Semiconductors has made great progress it is still in its infancy. Finally more attention should be paid to the search methods of new layered ferromagnetic semiconductor materials (such as combining machine learning) magnetic exchange mechanism computational simulation methods as well as the design of enhanced ferromagnetism multi-functional heterojunction so as to provide some reference for the work of scholars in related fields. The author expects that there will be more creative development of two-dimensional ferromagnetic semiconductor which is worthy of attention expectation.

the work is published in the personal or team profile of infomat


Professor Wang Jinlan is currently working in the school of physics of Southeast University doctoral supervisor winner of national fund for Distinguished Young Scholars (2015) the second level winner of Jiangsu Province "333 high level talent support plan" (2016) the special allowance winner of the State Council (2018). Presided over a number of National Natural Science Foundation national key R & D programs engaged in theoretical research of low dimensional functional materials for a long time made a series of important achievements in two-dimensional materials new energy materials. More than 180 SCI papers have been published more than 50 papers with more than 10 impact factors have been published 5 English reviews have been invited. With more than 8000 citations h-index 45 has been selected into the "Elsevier list of highly cited scholars in China (2014-2019)" for many years.

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