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Superconducting properties of the In-substituted topological crystalline insulator, SnTe
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Balakrishnan, Geetha, Bawden, L., Cavendish, S. and Lees, Martin R. (2013) Superconducting properties of the In-substituted topological crystalline insulator, SnTe. Physical Review B (Condensed Matter and Materials Physics), Volume 87 (Number 5). Article number 140507(R). doi:10.1103/PhysRevB.87.140507 ISSN 1098-0121.
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WRAP_Balakrishnan_BCR1235.pdf - Accepted Version Download (481Kb) | Preview |
Official URL: http://prb.aps.org/accepted/69078O8dP51Eb313e2263c...
Abstract
We report detailed investigations of the properties of a superconductor obtained by substituting In at the Sn site in the topological crystalline insulator (TCI), SnTe. Transport, magnetization and heat capacity measurements have been performed on crystals of Sn$_{0.6}$In$_{0.4}$Te, which is shown to be a bulk superconductor with $T_c^{\rm{onset}}$ at $\sim4.70(5)$~K and $T_c^{\rm{zero}}$ at $\sim3.50(5)$~K. The upper and lower critical fields are estimated to be $\mu_0H_{c2}(0)=1.42(3)$~T and $\mu_0H_{c1}(0)=0.90(3)$~mT respectively, while $\kappa=56.4(8)$ indicates this material is a strongly type II superconductor.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Superconductivity, Electric insulators and insulation, Superconductors | ||||
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1098-0121 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Volume: | Volume 87 | ||||
| Number: | Number 5 | ||||
| Page Range: | Article number 140507(R) | ||||
| DOI: | 10.1103/PhysRevB.87.140507 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Date of first compliant deposit: | 24 December 2015 | ||||
| Date of first compliant Open Access: | 24 December 2015 | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||
| Grant number: | EP/I007210/1 (EPSRC) |
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