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  Pressure-driven superconductivity in the transition-metal pentatelluride HfTe5

Qi, Y., Shi, W., Naumov, P. G., Kumar, N., Schnelle, W., Barkalov, O., et al. (2016). Pressure-driven superconductivity in the transition-metal pentatelluride HfTe5. Physical Review B, 94(5): 054517, pp. 1-9. doi:10.1103/PhysRevB.94.054517.

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 Creators:
Qi, Yanpeng1, Author           
Shi, Wujun1, Author           
Naumov, Pavel G.1, Author           
Kumar, Nitesh1, Author           
Schnelle, Walter2, Author           
Barkalov, Oleg1, Author           
Shekhar, Chandra3, Author           
Borrmann, Horst4, Author           
Felser, Claudia5, Author           
Yan, Binghai6, Author           
Medvedev, Sergey A.7, Author           
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
4Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
6Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              
7Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              

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 Abstract: The discovery of superconductivity in hafnium pentatelluride HfTe5 under high pressure is reported. Two structural phase transitions and metallization with superconductivity developing at around 5 GPa are observed. A maximal critical temperature of 4.8 K is attained at a pressure of 20 GPa, and superconductivity persists up to the maximum pressure of the study (42 GPa). The combination of electrical transport and crystal structure measurements as well as theoretical electronic structure calculations enables the construction of a phase diagram of HfTe5 under high pressure.

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Language(s): eng - English
 Dates: 2016-08-242016-08-24
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
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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: 94 (5) Sequence Number: 054517 Start / End Page: 1 - 9 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008