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Home/e-Resources/Materials Science/A magnetic topological semimetal Sr1-yMn1-zSb2 (y, z< 0.1)
PeriodicalsMaterials Science

A magnetic topological semimetal Sr1-yMn1-zSb2 (y, z< 0.1)

J. Y. Liu·J. Hu·Q. Zhang·D. Graf·H. B. Cao·S. M. A. Radmanesh·D. J. Adams·Y. L. Zhu·G. F. Cheng·X Liu·W. A. Phelan·J. Wei
arXiv2015

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Abstract & Overview

Weyl (WSMs) evolve from Dirac semimetals in the presence of broken time-reversal symmetry (TRS) or space-inversion symmetry. The WSM phases in TaAs-class materials and photonic crystals are due to the loss of space-inversion symmetry. For TRS-breaking WSMs, despite numerous theoretical and experimental efforts, few examples have been reported. In this Article, we report a new type of magnetic semimetal Sr1-yMn1-zSb2 (y,z<0.1) with nearly massless relativistic fermion behaviour (m*=0.04-0.05m0, where m0 is the free electron mass). This material exhibits a ferromagnetic order for 304K < T < 565K, but a canted antiferromagnetic order with a ferromagnetic component for T < 304K. The combination of relativistic fermion behaviour and ferromagnetism in Sr1-yMn1-zSb2 offers a rare opportunity to investigate the interplay between relativistic fermions and spontaneous TRS breaking.

Cite this record

J. Y. Liu, J. Hu, Q. Zhang, D. Graf, H. B. Cao, S. M. A. Radmanesh, et al. (2015). A magnetic topological semimetal Sr1-yMn1-zSb2 (y, z< 0.1). arXiv. https://library.shubhaarti.in/content/1f6f5848-7872-46d7-9a75-6a7d84fb3906

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Liu, J. Y., Hu, J., Zhang, Q., Graf, D., Cao, H. B., Radmanesh, S. M. A., Adams, D. J., Zhu, Y. L., Cheng, G. F., Liu, X., Phelan, W. A., & Wei, J. (2015). A magnetic topological semimetal Sr1-yMn1-zSb2 (y, z< 0.1). arXiv. https://library.shubhaarti.in/content/1f6f5848-7872-46d7-9a75-6a7d84fb3906
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