Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe

Si, W.; Zhang, C.; Wu, L.; Ozaki, T.; Gu, G.; Li, Q.

doi:10.1063/1.4929815

Title: Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe

Abstract

Recent discovery of the topological crystalline insulator SnTe has triggered a search for topological superconductors, which have potential application to topological quantum computing. The present work reports on the superconducting properties of indium doped SnTe thin films. The (100) and (111) oriented thin films were epitaxially grown by pulsed-laser deposition on (100) and (111) BaF2 crystalline substrates respectively. The onset superconducting transition temperatures are about 3.8 K for (100) and 3.6 K for (111) orientations, slightly lower than that of the bulk. Magneto-resistive measurements indicate that these thin films may have upper critical fields higher than that of the bulk. With large surface-to-bulk ratio, superconducting indium doped SnTe thin films provide a rich platform for the study of topological superconductivity and potential device applications based on topological superconductors.

Authors:

Si, W. ^[1]; Zhang, C. ^[1]; Wu, L. ^[1]; Ozaki, T. ^[1]; Gu, G. ^[1]; Li, Q. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States)

Publication Date:: Tue Sep 01 00:00:00 EDT 2015

Research Org.:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1226042

Report Number(s):: BNL-108397-2015-JA
Journal ID: ISSN 0003-6951; R&D Project: MA012MABA; PO010; KC0202050; KC0201060

Grant/Contract Number:: SC00112704

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 107; Journal Issue: 09; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Si, W., Zhang, C., Wu, L., Ozaki, T., Gu, G., and Li, Q. Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe.  United States: N. p., 2015. 
Web.  doi:10.1063/1.4929815.

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                    Si, W., Zhang, C., Wu, L., Ozaki, T., Gu, G., & Li, Q. Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe.  United States.  https://doi.org/10.1063/1.4929815

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                    Si, W., Zhang, C., Wu, L., Ozaki, T., Gu, G., and Li, Q. Tue .  
"Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe".  United States.  https://doi.org/10.1063/1.4929815.  https://www.osti.gov/servlets/purl/1226042.

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@article{osti_1226042,

  title        = {Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe},

  author       = {Si, W. and Zhang, C. and Wu, L. and Ozaki, T. and Gu, G. and Li, Q.},

  abstractNote = {Recent discovery of the topological crystalline insulator SnTe has triggered a search for topological superconductors, which have potential application to topological quantum computing. The present work reports on the superconducting properties of indium doped SnTe thin films. The (100) and (111) oriented thin films were epitaxially grown by pulsed-laser deposition on (100) and (111) BaF2 crystalline substrates respectively. The onset superconducting transition temperatures are about 3.8 K for (100) and 3.6 K for (111) orientations, slightly lower than that of the bulk. Magneto-resistive measurements indicate that these thin films may have upper critical fields higher than that of the bulk. With large surface-to-bulk ratio, superconducting indium doped SnTe thin films provide a rich platform for the study of topological superconductivity and potential device applications based on topological superconductors.},

  doi          = {10.1063/1.4929815},

  journal      = {Applied Physics Letters},

  number       = 09,

  volume       = 107,

  place        = {United States},

  year         = {Tue Sep 01 00:00:00 EDT 2015},

  month        = {Tue Sep 01 00:00:00 EDT 2015}

}

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The Property, Preparation and Application of Topological Insulators: A Review
journal, July 2017

Tian, Wenchao; Yu, Wenbo; Shi, Jing
Materials, Vol. 10, Issue 7
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Rachmilowitz, Bryan; Zhao, He; Li, Hong
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Title: Superconducting thin films of (100) and (111) oriented indium doped topological crystalline insulator SnTe

Abstract

Citation Formats

Observation of a topological crystalline insulator phase and topological phase transition in Pb1−xSnxTe journal, January 2012

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Quantum coherent transport in SnTe topological crystalline insulator thin films journal, September 2014

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Unusual nature of fully gapped superconductivity in In-doped SnTe journal, October 2013

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Interface engineering of quantum Hall effects in digital transition metal oxide heterostructures journal, September 2011

Quantum Coherent Transport in SnTe Topological Crystalline Insulator Thin Films text, January 2014

The birth of topological insulators journal, March 2010

Topological Crystalline Insulators text, January 2010

Unusual nature of fully-gapped superconductivity in In-doped SnTe text, January 2013

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Optimizing the superconducting transition temperature and upper critical field of Sn 1 − x In x Te journal, July 2013

Large-Chern-Number Quantum Anomalous Hall Effect in Thin-Film Topological Crystalline Insulators journal, January 2014

Spin-filtered edge states with an electrically tunable gap in a two-dimensional topological crystalline insulator journal, December 2013

Experimental realization of a topological crystalline insulator in SnTe text, January 2012

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Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator journal, January 2009

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Observation of a topological crystalline insulator phase and topological phase transition in Pb1−xSnxTe text, January 2012

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Spin-filtered edge states with an electrically tunable gap in a two-dimensional topological crystalline insulator
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Experimental realization of a topological crystalline insulator in SnTe
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Superconducting Proximity Effect and Majorana Fermions at the Surface of a Topological Insulator
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