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  Pressure-induced magnetic collapse and metallization of TlFe1.6Se2

Naumov, P. G., Filsinger, K., Shylin, S. I., Barkalov, O. I., Ksenofontov, V., Qi, Y., et al. (2017). Pressure-induced magnetic collapse and metallization of TlFe1.6Se2. Physical Review B, 96(6): 064109, pp. 1-7. doi:10.1103/PhysRevB.96.064109.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D6C7-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D709-F
Genre: Journal Article

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 Creators:
Naumov, P. G.1, Author              
Filsinger, K.1, Author              
Shylin, S. I.2, Author
Barkalov, O. I.1, Author              
Ksenofontov, V.2, Author
Qi, Y.1, Author              
Palasyuk, T.2, Author
Schnelle, W.3, Author              
Medvedev, S. A.4, Author              
Greenblatt, M.2, Author
Felser, C.5, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The crystal structure, magnetic ordering, and electrical resistivity of TlFe1.6Se2 were studied at high pressures. Below similar to 7GPa, TlFe1.6Se2 is an antiferromagnetically ordered semiconductor with a ThCr2Si2-type structure. The insulator-to-metal transformation observed at a pressure of similar to 7GPa is accompanied by a loss of magnetic ordering and an isostructural phase transition. In the pressure range similar to 7.5-11 GPa a remarkable downturn in resistivity, which resembles a superconducting transition, is observed below 15 K. We discuss this feature as the possible onset of superconductivity originating from a phase separation in a small fraction of the sample in the vicinity of the magnetic transition.

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Language(s): eng - English
 Dates: 2017-08-162017-08-16
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 96 (6) Sequence Number: 064109 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008