Publications (14)
Anomalous Structural Response of Quasi-One-Dimensional Antiferromagnetic Metal KMn6Bi5 under high pressure
Hanming Ma, Qingxin Dong, Tong Shi +11
We report high-pressure single-crystal X-ray diffraction measurements on the quasi-one-dimensional (Q1D) antiferromagnetic metal KMn6Bi5 up to 12.5 GPa, revealing the detailed pres…
Coupled magnetic and structural phase transitions in the antiferromagnetic polar metal Pb2CoOsO6 under pressure
Yuanyuan Jiao, Yue-Wen Fang, Jianping Sun +10
PbCoOsO is a newly synthesized polar metal in which inversion symmetry is broken by the magnetic frustration in an antiferromagnetic ordering of Co and Os sublattices. The…
Structural responses incipient to pressure-driven antiferromagnetic quantum critical point of van der Waals heavy-fermion metal CeSiI
Hanming Ma, Tong Shi, Wenhao Li +12
CeSiI is a van der Waals heavy-fermion metal recently found to exhibit unconventional superconductivity near a pressure-induced antiferromagnetic quantum critical point (QCP) at Pc…
Pressure-induced superconductivity in polycrystalline La3Ni2O7
Gang Wang, Ningning Wang, Jun Hou +15
We synthesized polycrystalline La3Ni2O7 samples by using the sol-gel method without post-annealing under high oxygen pressure, and then measured temperature-dependent resistivity u…
Doping-tunable Fermi surface with persistent topological Hall effect in axion candidate EuInAs
Jian Yan, Jianguo Si, Zhongzhu Jiang +6
Rare-earth Zintl compound EuInAs has been theoretically recognized as a candidate for realizing an intrinsic antiferromagnetic (AFM) bulk axion insulator and a higher-order…
Pressure-induced nearly perfect rectangular lattice and superconductivity in an organic molecular crystal (DMET-TTF)AuBr
Taiga Kato, Hanming Ma, Kazuyoshi Yoshimi +13
External pressure and associated changes in lattice structures are key to realizing exotic quantum phases such as high- superconductivity. While applying external pressu…
Fermi surface reconstruction due to the orthorhombic distortion in Dirac semimetal YbMnSb
Dilip Bhoi, Feng Ye, Hanming Ma +8
Dirac semi-metal with magnetic atoms as constituents delivers an interesting platform to investigate the interplay of Fermi surface (FS) topology, electron correlation, and magneti…
Investigation of the atomic coordinates of CeNiC under pressure: switching of the Ce-Ce first nearest neighbor direction
Hanming Ma, Dilip Bhoi, Jun Gouchi +4
When pressurized, the heavy fermion compound CeNiC reveals a rich electronic phase diagram and shows unconventional superconductivity with a transition temperature …
Bulk high-temperature superconductivity in the high-pressure tetragonal phase of bilayer La2PrNi2O7
Ningning Wang, Gang Wang, Xiaoling Shen +26
The Ruddlesden-Popper (R-P) bilayer nickelate, La3Ni2O7, was recently found to show signatures of high-temperature superconductivity (HTSC) at pressures above 14 GPa. Subsequent in…
Superconducting and structural properties of non-centrosymmetric Re6Hf superconductor under high pressure
Sathiskumar Mariappan, Manikandan Krishnan, Dilip Bhoi +7
We report the effect of high pressure on the superconducting, vortex pinning, and structural properties of a polycrystalline non-centrosymmetric superconductor Re6Hf. The supercond…
Observation of high-temperature superconductivity in the high-pressure tetragonal phase of La2PrNi2O7-δ
Gang Wang, Ningning Wang, Yuxin Wang +14
The recent discovery of high-temperature superconductivity in the Ruddlesden-Popper phase La3Ni2O7 under high pressure marks a significant breakthrough in the field of 3d transitio…
Combined X-ray diffraction, electrical resistivity, and study of (TMTTF)PF under pressure: implications to the unified phase diagram
Miho Itoi, Kazuyoshi Yoshimi, Hanming Ma +7
We present a combined experimental and theoretical study on the quasi-one-dimensional organic conductor (TMTTF)PF, and elucidate the variation of its physical properties un…
Superconductivity under pressure in the two-dimensional van der Waals heavy-fermion metal CeSiI
Tong Shi, Wenhao Li, Qingxin Dong +10
CeSiI is a newly discovered exfoliable van der Waals (vdW) heavy-fermion metal featured by a long-range antiferromagnetic (AF) order (TN =7.5 K) inside the Kondo coherent state bel…
Strong superconducting pairing strength and pseudogap features in a putative multiphase heavy-fermion superconductor CeRh2As2 by soft point-contact spectroscopy
Qingxin Dong, Tong Shi, Pengtao Yang +18
CeRh2As2 is a newly discovered candidate of multiphase heavy-fermion superconductor (Tc=0.3 K) with intriguing physical properties. Here, we employ soft point-contact spectroscopy…