Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2

Asaba, Tomoya; Wang, Yongjie; Li, Gang; Xiang, Ziji; Tinsman, Colin; Chen, Lu; Zhou, Shangnan; Zhao, Songrui; Laleyan, David; Li, Yi; Mi, Zetian; Li, Lu

doi:10.1038/s41598-018-24736-x

Title: Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe₂

Abstract

In conventional superconductors an external magnetic field generally suppresses superconductivity. This results from a simple thermodynamic competition of the superconducting and magnetic free energies. In this study, we report the unconventional features in the superconducting epitaxial thin film tungsten telluride (WTe₂). Measuring the electrical transport properties of Molecular Beam Epitaxy (MBE) grown WTe₂ thin films with a high precision rotation stage, we map the upper critical field H_c2 at different temperatures T. We observe the superconducting transition temperature T_c is enhanced by in-plane magnetic fields. The upper critical field H_c2 is observed to establish an unconventional non-monotonic dependence on temperature. We suggest that this unconventional feature is due to the lifting of inversion symmetry, which leads to the enhancement of Hc₂ in Ising superconductors.

Authors:

Asaba, Tomoya ^[1];

^[2];

^[1]; Xiang, Ziji ^[1]; Tinsman, Colin ^[1]; Chen, Lu ^[1]; Zhou, Shangnan ^[1]; Zhao, Songrui ^[2]; Laleyan, David ^[2]; Li, Yi ^[3]; Mi, Zetian ^[2];

^[1]

Univ. of Michigan, Ann Arbor, MI (United States)
McGill Univ., Montreal, QC (Canada)
Johns Hopkins Univ., Baltimore, MD (United States)

Publication Date:: 2018-04-25

Research Org.:: Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1500044

Grant/Contract Number:: SC0008110

Resource Type:: Accepted Manuscript

Journal Name:: Scientific Reports

Additional Journal Information:: Journal Volume: 8; Journal Issue: 1; Journal ID: ISSN 2045-2322

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Asaba, Tomoya, Wang, Yongjie, Li, Gang, Xiang, Ziji, Tinsman, Colin, Chen, Lu, Zhou, Shangnan, Zhao, Songrui, Laleyan, David, Li, Yi, Mi, Zetian, and Li, Lu. Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2.  United States: N. p., 2018. 
Web.  doi:10.1038/s41598-018-24736-x.

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                    Asaba, Tomoya, Wang, Yongjie, Li, Gang, Xiang, Ziji, Tinsman, Colin, Chen, Lu, Zhou, Shangnan, Zhao, Songrui, Laleyan, David, Li, Yi, Mi, Zetian, & Li, Lu. Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2.  United States.  https://doi.org/10.1038/s41598-018-24736-x

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                    Asaba, Tomoya, Wang, Yongjie, Li, Gang, Xiang, Ziji, Tinsman, Colin, Chen, Lu, Zhou, Shangnan, Zhao, Songrui, Laleyan, David, Li, Yi, Mi, Zetian, and Li, Lu. Wed .  
"Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2".  United States.  https://doi.org/10.1038/s41598-018-24736-x.  https://www.osti.gov/servlets/purl/1500044.

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@article{osti_1500044,

  title        = {Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2},

  author       = {Asaba, Tomoya and Wang, Yongjie and Li, Gang and Xiang, Ziji and Tinsman, Colin and Chen, Lu and Zhou, Shangnan and Zhao, Songrui and Laleyan, David and Li, Yi and Mi, Zetian and Li, Lu},

  abstractNote = {In conventional superconductors an external magnetic field generally suppresses superconductivity. This results from a simple thermodynamic competition of the superconducting and magnetic free energies. In this study, we report the unconventional features in the superconducting epitaxial thin film tungsten telluride (WTe2). Measuring the electrical transport properties of Molecular Beam Epitaxy (MBE) grown WTe2 thin films with a high precision rotation stage, we map the upper critical field Hc2 at different temperatures T. We observe the superconducting transition temperature T c is enhanced by in-plane magnetic fields. The upper critical field Hc2 is observed to establish an unconventional non-monotonic dependence on temperature. We suggest that this unconventional feature is due to the lifting of inversion symmetry, which leads to the enhancement of Hc2 in Ising superconductors.},

  doi          = {10.1038/s41598-018-24736-x},

  journal      = {Scientific Reports},

  number       = 1,

  volume       = 8,

  place        = {United States},

  year         = {2018},

  month        = {4}

}

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https://doi.org/10.1038/s41598-018-24736-x

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Cited by: 7 works

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Figure 1: Field-induced enhancement of T_c at low in-plane field and high temperature. (a,b) The temperature dependence of the 5.5 nm WTe₂ Sample 1 (Tc 0.71 K) film sheet resistance, ρ, at fixed fields. The black arrow marks the direction of the increase of in-plane magnetic fields. In Panel a,more »

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Title: Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe2

Abstract

Citation Formats

Figures / Tables:

Superconducting and Ferromagnetic Phases in SrTiO 3 / LaAlO 3 Oxide Interface Structures: Possibility of Finite Momentum Pairing journal, March 2012

Coupled Spin and Valley Physics in Monolayers of MoS 2 and Other Group-VI Dichalcogenides journal, May 2012

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A note on the Maximum Critical Field of High‐Field Superconductors journal, September 1962

Monolayer semiconductor nanocavity lasers with ultralow thresholds journal, March 2015

Controllable growth of layered selenide and telluride heterostructures and superlattices using molecular beam epitaxy journal, January 2016

Superconductivity protected by spin–valley locking in ion-gated MoS2 journal, December 2015

Enhancement of superconductivity by a parallel magnetic field in two-dimensional superconductors journal, August 2011

High-quality, large-area MoSe 2 and MoSe 2 /Bi 2 Se 3 heterostructures on AlN(0001)/Si(111) substrates by molecular beam epitaxy journal, January 2015

Introduction to Superconductivity journal, October 1996

Introduction to Superconductivity journal, June 1976

Introduction to superconductivity journal, December 1978

Optical Generation of Excitonic Valley Coherence in Monolayer WSe2 text, January 2013

Emerging Device Applications for Semiconducting Two-Dimensional Transition Metal Dichalcogenides text, January 2014

Pressure-driven dome-shaped superconductivity and electronic structural evolution in tungsten ditelluride text, January 2015

Characterization of collective ground states in single-layer NbSe2 text, January 2015

Type-II Weyl Semimetals text, January 2015

Strongly enhanced charge-density-wave order in monolayer NbSe$_2$ text, January 2015

Nature of the Quantum Metal in a Two-Dimensional Crystalline Superconductor text, January 2015

Superconductivity in Weyl Semimetal Candidate MoTe2 text, January 2015

Spectroscopic evidence for type II Weyl semimetal state in MoTe2 text, January 2016

Wafer-scale production of patterned transition metal ditelluride layers for two-dimensional metal–semiconductor contacts at the Schottky–Mott limit journal, April 2020

Low temperature epitaxy of tungsten–telluride heterostructure films journal, January 2019

Observation of Shubnikov-de Haas Oscillations in Large-Scale Weyl Semimetal WTe 2 Films journal, January 2020

Experimental progress on layered topological semimetals journal, April 2019

Yanson point-contact spectroscopy of Weyl semimetal WTe 2 journal, July 2019

A Review of the Characteristics, Synthesis, and Thermodynamics of Type-II Weyl Semimetal WTe2 journal, July 2018

Experimental Progress on Layered Topological Semimetals text, January 2019

Yanson point-contact spectroscopy of Weyl semimetal WTe2 text, January 2019

Title: Magnetic Field Enhanced Superconductivity in Epitaxial Thin Film WTe₂

Superconducting and Ferromagnetic Phases in ${SrTiO}_{3} / {LaAlO}_{3}$ Oxide Interface Structures: Possibility of Finite Momentum Pairing
journal, March 2012

Coupled Spin and Valley Physics in Monolayers of ${MoS}_{2}$ and Other Group-VI Dichalcogenides
journal, May 2012

Spectroscopic evidence for a type II Weyl semimetallic state in MoTe2
journal, July 2016

Upper Limit for the Critical Field in Hard Superconductors
journal, September 1962

Fermi arc electronic structure and Chern numbers in the type-II Weyl semimetal candidate ${Mo}_{x} W_{1 - x} {Te}_{2}$
journal, August 2016

Observation of Fermi arc and its connection with bulk states in the candidate type-II Weyl semimetal ${WTe}_{2}$
journal, December 2016

High-mobility three-atom-thick semiconducting films with wafer-scale homogeneity
journal, April 2015

Evidence for two-dimensional Ising superconductivity in gated MoS2
journal, November 2015

Type-II Weyl semimetals
journal, November 2015

Optical generation of excitonic valley coherence in monolayer WSe2
journal, August 2013

Large, non-saturating magnetoresistance in WTe2
journal, September 2014

Direct observation of the transition from indirect to direct bandgap in atomically thin epitaxial MoSe2
journal, December 2013

Electrically tunable excitonic light-emitting diodes based on monolayer WSe2 p–n junctions
journal, March 2014

Van der Waals heterostructures
journal, July 2013

Strongly enhanced charge-density-wave order in monolayer NbSe₂
journal, July 2015

Extraordinary Sunlight Absorption and One Nanometer Thick Photovoltaics Using Two-Dimensional Monolayer Materials
journal, July 2013

Ising pairing in superconducting NbSe2 atomic layers
journal, November 2015

Tungsten Ditelluride: a layered semimetal
journal, June 2015

Origin of superconductivity in the Weyl semimetal $WT e_{2}$ under pressure
journal, December 2016

Nature of the quantum metal in a two-dimensional crystalline superconductor
journal, December 2015

Experimental observation of topological Fermi arcs in type-II Weyl semimetal MoTe2
journal, September 2016

Emerging Device Applications for Semiconducting Two-Dimensional Transition Metal Dichalcogenides
journal, January 2014

W Te ₂ thin films grown by beam-interrupted molecular beam epitaxy
journal, March 2017

Quantum spin Hall effect in two-dimensional transition metal dichalcogenides
journal, November 2014

Helical Vortex Phase in the Noncentrosymmetric ${CePt}_{3} Si$
journal, April 2005

Critical temperature enhancement of topological superconductors: A dynamical mean-field study
journal, June 2016

Superconductivity emerging from a suppressed large magnetoresistant state in tungsten ditelluride
journal, July 2015

Pressure-driven dome-shaped superconductivity and electronic structural evolution in tungsten ditelluride
journal, July 2015

Observation of Fermi arcs in the type-II Weyl semimetal candidate ${WTe}_{2}$
journal, September 2016

Ultrasensitive photodetectors based on monolayer MoS2
journal, June 2013

Growth of Bi2Se3 and Bi2Te3 on amorphous fused silica by MBE: Bi2Se3 and Bi2Te3 growth on fused silica
journal, February 2015

Characterization of collective ground states in single-layer NbSe2
journal, November 2015

Structural and Electrical Properties of MoTe ₂ and MoSe ₂ Grown by Molecular Beam Epitaxy
journal, March 2016

Superconductivity in Weyl semimetal candidate MoTe2
journal, March 2016

Signature of type-II Weyl semimetal phase in MoTe2
journal, January 2017

A note on the Maximum Critical Field of High‐Field Superconductors
journal, September 1962

Monolayer semiconductor nanocavity lasers with ultralow thresholds
journal, March 2015

Controllable growth of layered selenide and telluride heterostructures and superlattices using molecular beam epitaxy
journal, January 2016

Superconductivity protected by spin–valley locking in ion-gated MoS2
journal, December 2015

Enhancement of superconductivity by a parallel magnetic field in two-dimensional superconductors
journal, August 2011

High-quality, large-area MoSe ₂ and MoSe ₂ /Bi ₂ Se ₃ heterostructures on AlN(0001)/Si(111) substrates by molecular beam epitaxy
journal, January 2015

Introduction to Superconductivity
journal, October 1996

Introduction to Superconductivity
journal, June 1976

Introduction to superconductivity
journal, December 1978

Optical Generation of Excitonic Valley Coherence in Monolayer WSe2
text, January 2013

Emerging Device Applications for Semiconducting Two-Dimensional Transition Metal Dichalcogenides
text, January 2014

Pressure-driven dome-shaped superconductivity and electronic structural evolution in tungsten ditelluride
text, January 2015

Characterization of collective ground states in single-layer NbSe2
text, January 2015

Type-II Weyl Semimetals
text, January 2015

Strongly enhanced charge-density-wave order in monolayer NbSe$_2$
text, January 2015

Nature of the Quantum Metal in a Two-Dimensional Crystalline Superconductor
text, January 2015

Superconductivity in Weyl Semimetal Candidate MoTe2
text, January 2015

Spectroscopic evidence for type II Weyl semimetal state in MoTe2
text, January 2016

Wafer-scale production of patterned transition metal ditelluride layers for two-dimensional metal–semiconductor contacts at the Schottky–Mott limit
journal, April 2020

Low temperature epitaxy of tungsten–telluride heterostructure films
journal, January 2019

Observation of Shubnikov-de Haas Oscillations in Large-Scale Weyl Semimetal WTe ₂ Films
journal, January 2020

Experimental progress on layered topological semimetals
journal, April 2019

Yanson point-contact spectroscopy of Weyl semimetal WTe ₂
journal, July 2019

A Review of the Characteristics, Synthesis, and Thermodynamics of Type-II Weyl Semimetal WTe2
journal, July 2018

Experimental Progress on Layered Topological Semimetals
text, January 2019

Yanson point-contact spectroscopy of Weyl semimetal WTe2
text, January 2019