EuCd2As2: A Magnetic Semiconductor

Santos-Cottin, D.; Mohelský, I.; Wyzula, J.; Le Mardelé, F.; Kapon, I.; Nasrallah, S.; Barišić, Neven; Živković, I.; Soh, J. R.; Guo, F.; Rigaux, K.; Puppin, M.; Dil, J. H.; Gudac, Bruno; Rukelj, Zoran; Novak, M.; Kuzmenko, A. B.; Homes, C. C.; Dietl, Tomasz; Orlita, M.; Akrap, Ana

doi:10.1103/PhysRevLett.131.186704

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Scientific paper - Original scientific paper

EuCd2As2: A Magnetic Semiconductor

Physical Review Letters, 131 (2023), 18; 186704. https://doi.org/10.1103/PhysRevLett.131.186704

Santos-Cottin, D.; Mohelský, I.; Wyzula, J.; Le Mardelé, F.; Kapon, I.; Nasrallah, S.; Barišić, Neven; Živković, I.; Soh, J. R.; Guo, F.; Rigaux, K.; Puppin, M.; Dil, J. H.; Gudac, Bruno; Rukelj, Zoran; Novak, M.; Kuzmenko, A. B.; Homes, C. C.; Dietl, Tomasz; Orlita, M.; Akrap, Ana More authors...

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APA 6th Edition

Santos Cottin, D., Mohelský, I., Wyzula, J., Le Mardelé, F., Kapon, I., Nasrallah, S. ... Akrap, A. (2023). EuCd2As2: A Magnetic Semiconductor. Physical Review Letters, 131. (18). doi: 10.1103/PhysRevLett.131.186704

MLA 8th Edition

Santos Cottin, D., et al. "EuCd2As2: A Magnetic Semiconductor." Physical Review Letters, vol. 131, no. 18, 2023. https://doi.org/10.1103/PhysRevLett.131.186704

Chicago 17th Edition

Santos Cottin, D., I. Mohelský, J. Wyzula, F. Le Mardelé, I. Kapon, S. Nasrallah, Neven Barišić, et al. "EuCd2As2: A Magnetic Semiconductor." Physical Review Letters 131, no. 18 (2023). https://doi.org/10.1103/PhysRevLett.131.186704

Harvard

Santos Cottin, D., et al. (2023) 'EuCd2As2: A Magnetic Semiconductor', Physical Review Letters, 131(18). doi: 10.1103/PhysRevLett.131.186704

Vancouver

Santos Cottin D, Mohelský I, Wyzula J, Le Mardelé F, Kapon I, Nasrallah S, and sur.. EuCd2As2: A Magnetic Semiconductor. Physical Review Letters [Internet]. 2023 November [cited 2024 November 15];131(18). doi: 10.1103/PhysRevLett.131.186704

IEEE

D. Santos Cottin, et al., "EuCd2As2: A Magnetic Semiconductor", Physical Review Letters, vol. 131, no. 18, November 2023. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:028220. [Accessed: 15 November 2024]

Cite this item: https://urn.nsk.hr/urn:nbn:hr:217:028220

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Metadata

Title (english)	EuCd2As2: A Magnetic Semiconductor
Author	D. Santos-Cottin
Author	I. Mohelský
Author	J. Wyzula
Author	F. Le Mardelé
Author	I. Kapon
Author	S. Nasrallah
Author	Neven Barišić
Author	I. Živković
Author	J. R. Soh
Author	F. Guo
Author	K. Rigaux
Author	M. Puppin
Author	J. H. Dil
Author	Bruno Gudac
Author	Zoran Rukelj
Author	M. Novak
Author	A. B. Kuzmenko
Author	C. C. Homes
Author	Tomasz Dietl
Author	M. Orlita
Author	Ana Akrap
Author's institution	University of Zagreb Faculty of Science (Department of Physics)
Scientific / art field, discipline and subdiscipline	NATURAL SCIENCES Physics
Abstract (english)	EuCd2As2 is now widely accepted as a topological semimetal in which a Weyl phase is induced by an external magnetic field. We challenge this view through firm experimental evidence using a combination of electronic transport, optical spectroscopy, and excited-state photoemission spectroscopy. We show that the EuCd2As2 is in fact a semiconductor with a gap of 0.77 eV. We show that the externally applied magnetic field has a profound impact on the electronic band structure of this system. This is manifested by a huge decrease of the observed band gap, as large as 125 meV at 2 T, and, consequently, by a giant redshift of the interband absorption edge. However, the semiconductor nature of the material remains preserved. EuCd2As2 is therefore a magnetic semiconductor rather than a Dirac or Weyl semimetal, as suggested by ab initio computations carried out within the local spin-density approximation.
Language	english
Publication type	Scientific paper - Original scientific paper
Publication status	Published
Peer review	Peer review - international
Publication version	Published version
Journal title	Physical Review Letters
Numbering	vol. 131, no. 18, 186704
p-ISSN	0031-9007
e-ISSN	1079-7114
DOI	https://doi.org/10.1103/PhysRevLett.131.186704
URN:NBN	urn:nbn:hr:217:028220
Publication	2023-11
Project	Number: KK.01.1.1.02.0013 Title (croatian): Centar za Napredna Istraživanja Kompleksnih Sustava Title (english): Centre for Advanced Research of Complex Systems Acronym: CeNIKS Leader: Mihael Srđan Grbić Jurisdiction: eu Funding stream: European Regional Development Fund
Document URL	https://link.aps.org/doi/10.1103/PhysRevLett.131.186704
Type of resource	Text
Access conditions	Open access
Terms of use
Public note	© 2023 American Physical Society. Received 13 January 2023; revised 22 May 2023; accepted 10 October 2023; published 3 November 2023.
Created on	2024-07-22 13:03:17