Quasi-uniaxial pressure induced superconductivity in the stoichiometric compound 
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Yang, Chuanguang; Guo, Jing; Cai, Shengbao; Zhou, Yazhou; Sidorov, V. A.; Huang, Cheng; Long, Sijin; Shi, Youguo; Chen, Qiuyun; Tan, Shanjun; Wu, Qi; Coleman, Piers; Xiang, Tao; Sun, Liling

doi:10.1103/physrevb.106.024503

Cited by 4 publications

(8 citation statements)

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“…The disparate phase diagram is shown in Figure 7g (right), where Kondo coherence is suppressed, followed by the emergence of planar and bulk superconductivity as the pressure increases. [ 243 ] This is in contrast with former investigations, where the superconductivity is accompanied by Kondo coherence. [ 241,342 ] An exotic magnetic order exists within the temperature ranging from the superconducting onset to zero‐resistance temperature, extracted from the electronic transport measurement.…”

Section: Mechanical Modulationcontrasting

confidence: 63%

Section: Mechanical Modulationmentioning

confidence: 99%

“…The composition is close to the chemical formula UTe 2 , thus being regarded as stoichiometric samples. [ 243 ] The stoichiometric UTe 2 is found not to superconduct at ambient pressure or hydrostatic pressure up to 6 GPa. The quasi‐uniaxial pressure is obtained by using a mixture of c‐BN and epoxy as a pressure transmitting medium.…”

Section: Mechanical Modulationmentioning

confidence: 99%

“…[ 241,342 ] An exotic magnetic order exists within the temperature ranging from the superconducting onset to zero‐resistance temperature, extracted from the electronic transport measurement. [ 243 ]…”

Section: Mechanical Modulationmentioning

confidence: 99%

“…[240] The disparate result is reported recently under the uniaxial pressure and the nominal stoichiometric composition. [243] The synthesis in the aforementioned works follows a procedure with extra Te by the chemical-vapor transport method, while the synthesis in the present work follows a nominal ratio of 1U:2Te. The composition is determined to be UTe 1.96 through inductively coupled plasma atomic emission spectroscopy.…”

Section: Ute 2 : a Novel Heavy-fermion Superconductormentioning

confidence: 99%

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Modulations in Superconductors: Probes of Underlying Physics

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development of various modulations techniques, breakthroughs in quantum materials are achieved, such as the quantum anomalous Hall effect (AHE) in topological insulators, [1][2][3][4] gate-tuned roomtemperature ferromagnetism in 2D van der Waals materials, [5][6][7][8] and emergent magnetic monopoles in artificial spin ice. [9] Especially, as the quantum materials of particular interest with zero dissipation, superconductors have been intensively studied with advanced modulations, aiming to reveal a plethora of emergent phenomena in condensed matter physics, such as superconductor-to-insulator transitions (SIT), [10][11][12] intermediate bosonic metallic state, [13] Bose-Einstein condensation (BEC)-Bardeen-Cooper-Schrieffer (BCS) crossover, [14,15] and intertwined orders, [16][17][18] as well as to develop applications in quantum computing [19][20][21] and ultrasensitive detections. [22][23][24] The superconductivity composes of two ingredients, including the Cooper pairs, each formed by two electrons, and phase coherence among Cooper pairs. [25] Superconductors such as metals and alloys are in the weak-coupling regime, which is well understood by BCS theory. [26,27] However, the later discovered superconductors, including cuprates, iron-based superconductors, and heavy-fermion superconductors, are strongly correlated systems, where a widely accepted microscopic mechanism yet remains absent. Therefore, various modulations have been utilized for the ultimate understanding of these superconductors and routines for room temperature superconductivity. Traditional modulations, such as elemental substitution, annealing, and polarization-induced gating are usually accompanied by some severe problems, including discontinuity, disorders, and limited ranges. Recently, state-of-the-art techniques have been developed with improved convenience, increased capability, and unprecedented dimensionalities, enabling more thorough investigations of unconventional superconductors.As a manifestation, we take some examples discussed in this review in advance. The carrier density can be tuned more conveniently and continuously. The techniques of ionic field-effect transistor (iFET) and electric double-layer transistor (EDLT) surpass conventional methods limited by solid solubility or dielectric breakdown, which enables the more precise phase diagram and detailed scaling analysis at the quantum phaseThe importance of modulations is elevated to an unprecedented level, due to the delicate conditions required to bring out exotic phenomena in quantum materials, such as topological materials, magnetic materials, and superconductors. Recently, state-of-the-art modulation techniques in material science, such as electric-double-layer transistor, piezoelectric-based strain apparatus, angle twisting, and nanofabrication, have been utilized in superconductors. They not only efficiently increase the tuning capability to the broader ranges but also extend the tuning dimensionality to unprecedented degrees of freedom, including quantum fluctuations of...

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Section: Mechanical Modulationcontrasting

confidence: 63%

Section: Mechanical Modulationmentioning

confidence: 99%

Section: Mechanical Modulationmentioning

confidence: 99%

Section: Mechanical Modulationmentioning

confidence: 99%

Section: Ute 2 : a Novel Heavy-fermion Superconductormentioning

confidence: 99%

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Modulations in Superconductors: Probes of Underlying Physics

et al. 2023

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A novel method for determining the resistivity of compressed superconducting materials

Sun,

Wu,

Cai

et al. 2024

Matter and Radiation at Extremes

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The measurement of resistivity in a compressed material within a diamond anvil cell presents significant challenges. The high-pressure experimental setup makes it difficult to directly measure the size changes induced by pressure in the three crystallographic directions of the sample. In this study, we introduce a novel and effective method that addresses these technical challenges. This method is anticipated to offer a valuable foundation for high-pressure investigations on quantum materials, particularly those with anisotropic layered structures.

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Robust Magnetism Against Pressure in Non-Superconducting Samples Prepared from Lutetium Foil and H₂/N₂ Gas Mixture

Guo,

Cai,

Wang

et al. 2023

Chinese Phys. Lett.

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Quasi-uniaxial pressure induced superconductivity in the stoichiometric compound UTe2

Cited by 4 publications

References 61 publications

Modulations in Superconductors: Probes of Underlying Physics

Modulations in Superconductors: Probes of Underlying Physics

A novel method for determining the resistivity of compressed superconducting materials

Robust Magnetism Against Pressure in Non-Superconducting Samples Prepared from Lutetium Foil and H₂/N₂ Gas Mixture

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Quasi-uniaxial pressure induced superconductivity in the stoichiometric compound UTe2

Cited by 4 publications

References 61 publications

Modulations in Superconductors: Probes of Underlying Physics

Modulations in Superconductors: Probes of Underlying Physics

A novel method for determining the resistivity of compressed superconducting materials

Robust Magnetism Against Pressure in Non-Superconducting Samples Prepared from Lutetium Foil and H2/N2 Gas Mixture

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Product

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Robust Magnetism Against Pressure in Non-Superconducting Samples Prepared from Lutetium Foil and H₂/N₂ Gas Mixture