From Antiferromagnets to Altermagnets: New Frontiers in Spintronics and Spincaloritronics

by Dr. Helena Reichlová

Tuesday Jun 25, 2024, 4:15 PM → 5:45 PM Europe/Berlin

H6 (UHG)

This presentation will provide an overview of recent advancements in spintronics and spincaloritronics, with a particular focus on compensated magnetic materials. I will discuss the motivations for using these materials and summarize the developments over the past two decades.[1,2]

In the second part of the talk, I will introduce a novel class of materials called "altermagnets".[3] These materials are characterized by collinear spin order and spin splitting in electronic bands. By highlighting our ongoing experimental efforts [4,5,6] with various altermagnetic candidates, I will underscore their differences from conventional antiferromagnets and discuss their potential for advancing spintronic research.

References:
[1] Reichlova et al., Physical Review B, 92(16), 165424 (2015)
[2] Reichlova et al., Nature Communications, 10(1), 5459 (2019)
[3] Smejkal et al., Phys. Rev. X, 12, 040501 (2022)
[4] Gonzalez-Betancourt et al., Physical Review Letters, 130(3), 036702 (2023)
[5] Reichlova et al., Nature Communications, 15, 4961 (2024)
[6] Tschirner et al., APL Mater., 11, 101103 (2023) 

2024-06-25-DrHelenaReichlova.pdf