Y. Qiu
Missouri University of Science and Technology
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Publication
Featured researches published by Y. Qiu.
Physical Review X | 2017
Tomoya Asaba; Benjamin Lawson; Colin Tinsman; Lu Chen; Paul Corbae; Gang Li; Y. Qiu; Yew San Hor; Liang Fu; Lu Li
The search for unconventional superconductivity has been focused on materials with strong spin-orbit coupling and unique crystal lattices. Doped bismuth selenide (Bi2Se3) is a strong candidate, given the topological insulator nature of the parent compound and its triangular lattice. The coupling between the physical properties in the superconducting state and its underlying crystal symmetry is a crucial test for unconventional superconductivity. In this paper, we report direct evidence that the superconducting magnetic response couples strongly to the underlying trigonal crystal symmetry in the recently discovered superconductor with trigonal crystal structure, niobium (Nb)-doped Bi2Se3. As a result, the in-plane magnetic torque signal vanishes every 60°. More importantly, the superconducting hysteresis loop amplitude is enhanced along one preferred direction, spontaneously breaking the rotational symmetry. This observation indicates the presence of nematic order in the superconducting ground state of Nb-doped Bi2Se3. DOI:https://doi.org/10.1103/PhysRevX.7.011009 Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Published by the American Physical Society
Physical Review B | 2016
M. P. Smylie; H. Claus; U. Welp; Wai-Kwong Kwok; Y. Qiu; Yew San Hor; Alexey Snezhko
The low-temperature variation of the London penetration depth
Physical Review B | 2017
M. P. Smylie; K. Willa; H. Claus; Alexey Snezhko; Ivar Martin; W. K. Kwok; Y. Qiu; Yew San Hor; E. Bokari; P. M. Niraula; A. Kayani; V. Mishra; U. Welp
\ensuremath{\lambda}(T)
Physical Review B | 2016
Benjamin Lawson; Paul Corbae; Gang Li; Fan Yu; Tomoya Asaba; Colin Tinsman; Y. Qiu; Julia E. Medvedeva; Yew San Hor; Linze Li
in the candidate topological superconductor
arXiv: Superconductivity | 2015
Y. Qiu; Kyle Nocona Sanders; Jixia Dai; Julia E. Medvedeva; Weida Wu; Pouyan Ghaemi; Thomas Vojta; Yew San Hor
{\mathrm{Nb}}_{x}{\mathrm{Bi}}_{2}{\mathrm{Se}}_{3} (x=0.25)
Physical Review B | 2018
Wenhan Zhang; Damien West; Seng Huat Lee; Y. Qiu; Cui-Zu Chang; Jagadeesh S. Moodera; Yew San Hor; Shengbai Zhang; Weida Wu
is reported for several crystals. The measurements were carried out by means of a tunnel-diode oscillator technique in both field orientations (
Physical Review Letters | 2017
Tomoya Asaba; Benjamin Lawson; Colin Tinsman; Lu Chen; Paul Corbae; Gang Li; Y. Qiu; Yew San Hor; Lu Li; Liang Fu
{H}_{\mathrm{rf}}\ensuremath{\parallel}c
Physica C-superconductivity and Its Applications | 2017
M. P. Smylie; Kristin Willa; K. Ryan; H. Claus; W. K. Kwok; Y. Qiu; Yew San Hor; U. Welp
and
Archive | 2017
Cihan Kurter; A. D. K. Finck; Erik Huemiller; Julia E. Medvedeva; Adam Weis; Juan Atkinson; Y. Qiu; Li Shen; Seng Huat Lee; Thomas Vojta; Pouyan Ghaemi; Yew San Hor; Dale Van Harlingen
{H}_{\mathrm{rf}}\ensuremath{\parallel}ab
Bulletin of the American Physical Society | 2017
Seng Huat Lee; Y. Qiu; Eric William Bohannan; Yew San Hor
planes). All samples exhibited power-law behavior at low temperatures (