115 citations · 371 across the 29 of their papers we have counts for
18 papers · 1 filter
Microscopic Origin of Pressure-Enhanced and Robust Superconductivity in Infinite-Layer LaSrNiO
Jian-Feng Zhang, Zhong-Yi Lu, Tao Xiang
Recent transport measurements on freestanding LaSrNiO membranes revealed a broad superconducting dome extending from ambient pressure to 210 GPa, with an onset…
Screening phonon-mediated superconductors from static orbital Hamiltonians
Jian-Feng Zhang, Ze-Feng Gao, Xiao-Qi Han +6
The first-principles search for superconductors is severely limited by the high cost of electron-phonon coupling (EPC) calculations. Here we develop a low-cost, physically transpar…
Ultrasmall (3,0) carbon nanotube: a superconducting unit with strong electron-phonon coupling
Zhenfeng Ouyang, Jing Jiang, Jian-Feng Zhang +3
Based on density-functional first-principles calculations, we study the electronic structures, lattice dynamics, and electron-phonon coupling (EPC) properties of the ultrasmall one…
Structural, electronic, magnetic properties of Cu-doped lead-apatite PbCu(PO)O
Jianfeng Zhang, Huazhen Li, Ming Yan +4
The recent report of superconductivity in the Cu-doped PbPO compound stimulates the extensive researches on its physical properties. Herein, the detailed atomic and electronic stru…
Exploring charge and spin fluctuations in infinite-layer cuprate SrCuO from a phonon perspective
Xin Du, Pei-Han Sun, Ben-Chao Gong +3
The infinite-layer cuprate CuO ( Ca, Sr, Ba) has the simplest crystal structure among numerous cuprate superconductors and can serve a prototypical system to explore the…
Microscopic resolution of superconducting electrons in ultrahigh-pressed hydrogen sulfide
Jian-Feng Zhang, Bo Zhan, Miao Gao +4
We investigate the electronic and phonon properties of hydrogen sulfide (SH) under ultrahigh pressure to elucidate the origin of its high-T superconductivity. Contrary to t…
Tetragonal-phase SnOFeSe: A possible parent compound of FeSe-based superconductor
Xiao-Xiao Man, Pei-Han Sun, Jian-Feng Zhang +2
Recent experiments have reported that inserting metal atoms or small molecules in between the FeSe layers of -FeSe can significantly enhance the superconducting transition tempe…
Superconductivity in monolayer BaN electride: a first-principles study
Xiao-Le Qiu, Jian-Feng Zhang, Huan-Cheng Yang +2
The exploration of superconductivity in low-dimensional materials has attracted intensive attention for decades. Based on first-principles electronic structure calculations, we hav…
Pressure induced superconductivity in WB2 and ReB2 through modifying the B layers
Cuiying Pei, Jianfeng Zhang, Chunsheng Gong +10
The recent discovery of superconductivity up to 32 K in the pressurized MoB2 reignites the interests in exploring high-Tc superconductors in transition-metal diborides. Inspired by…
First-principles study of the crystal structure, electronic structure, and transport properties of NiTe under pressure
Jian-Feng Zhang, Yawen Zhao, Kai Liu +2
Recent experiments showed the distinct observations on the transition metal ditelluride NiTe under pressure: one reported a superconducting phase transition at 12 GPa, whereas…
First-principles study of the superconductivity in LaO
Pei-Han Sun, Jian-Feng Zhang, Kai Liu +2
A recent experiment reported the first rare-earth binary oxide superconductor LaO ( 5 K) with a rock-salt structure [K. Kaminaga et al., J. Am. Chem. Soc. 140, 6754 (2…
First-principles study of the robust superconducting state of NbTi alloys under ultrahigh pressures
Jian-Feng Zhang, Miao Gao, Kai Liu +1
A recent experiment reported that robust superconductivity appears in NbTi alloys under ultrahigh pressures with an almost constant superconducting of ~19 K from 120 to 261.7…
First-principles study on the electron-phonon coupling and magnetoresistance of LaBi under pressure
Jian-Feng Zhang, Peng-Jie Guo, Miao Gao +2
The extremely large magnetoresistance (XMR) material LaBi was reported to become superconducting under pressure accompanying with suppressed magnetoresistance. However, the underly…
First-principles study on the double-dome superconductivities in kagome material CsVSb under pressure
Jian-Feng Zhang, Kai Liu, Zhong-Yi Lu
Recent high pressure experiments discovered abnormal double-dome superconductivities in the newly-synthesized kagome materials VSb ( = K, Rb, Cs), which also host abu…
Pressure-induced Superconductivity at 32 K in MoB2
Cuiying Pei, Jianfeng Zhang, Qi Wang +9
Since the discovery of superconductivity in MgB2 (Tc ~ 39 K), the search for superconductivity in related materials with similar structures or ingredients has never stopped. Althou…
Topological properties of non-centrosymmetric superconductors IrB (=Nb, Ta)
Yan Gao, Jian-Feng Zhang, Shengyuan A. Yang +2
A recent experiment reported two new non-centrosymmetric superconductors NbIrB and TaIrB with respective superconducting transition temperatures of 7.2 K an…
RSAVS superconductors: materials with a superconducting state that is robust against large volume shrinkage
Cheng Huang, Jing Guo, Jianfeng Zhang +9
TThe transition temperature (TC) between normal and superconducting states usually exhibits a dramatic increase or decrease with increasing applied pressure. Here we present, in co…
Scanning tunneling microscopic evidence of interface enhanced high-Tc superconductivity in Pb islands grown on SrTiO3
Haigen Sun, Zhibin Shao, Zongyuan Zhang +12
The discovery of the interface enhanced superconductivity in the single layer film of FeSe epitaxially grown on SrTiO3 substrates has triggered a flurry of activity in the field of…