Programme

O.3 -- Oral, VCTP-47

Date: Monday, 1 August 2022

Time: 14:40 - 15:05

Exploration of new equiatomic quaternary Heusler compounds for spintronic applications

Hoang Duc Quang (1), J Guerrero‐Sanchez (2), R Ponce‐Pérez (2), J. F Rivas‐Silva (3), Gregorio H Cocoletzi (3), DM Hoat (4,5)

(1) Applied Computational Civil and Structural Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam; (2) Universidad Nacional Autónoma de México, Centro de Nanociencias y Nanotecnología, BajaCalifornia, Mexico; (3) Benemérita Universidad Autónoma de Puebla, Instituto de Física, Puebla, Mexico; (4) Institute of Theoretical and Applied Research, Duy Tan University, Ha Noi, 100000, Vietnam; (5) Faculty of Natural Sciences, Duy Tan University, Da Nang, 550000, Vietnam

Managing electron spin as an additional degree of freedom, besides its charge, leads to the emergence of new physics and formation of new disciplinary called spintronics or spin-based electronics. In the last year, spintronics have rapidly developed in both technological applications and fundamental science, whose expansion has been estimated to be beyond Moore’s law. However, the search of new materials for spintronic applications is still a great challenge to optimize the devices functionality. In this work, we present the results of first-principles calculations of two new equiatomic Heusler compounds, namely MnVZrP and CoCrRhSi. As a first step, the structure design and stability are performed. Electronic and magnetic calculations indicate the ferromagnetic semiconductor and half-metallic natures of the materials, respectively, whose magnetic properties are produced mainly by 3d transition metals. These features suggest the studied quaternaries as prospective candidates for spintronic applications to generate spin current by either spin-filtering or spin injection.

Presenter: Do Minh Hoat