activity
20172026
most citedSuperconductivity above 200 K Observed in Superhydrides of Calcium

283 citations · 618 across the 27 of their papers we have counts for

collaborators

27 papers

cond-mat.supr-con2026

Eight-unit-cell electronic modulations in cuprates originating from local molecular orbitals

Zhiheng Yao, Sixuan Chen, Jianfa Zhao +10

The pair density wave (PDW) state with eight-unit-cell (8a0) periodicity has been widely regarded as the primary order in cuprates, yet its existence and origin remain subjects of…

cond-mat.supr-con2026

Superconducting Hydride Mg2RhH6 Experimentally Achieved at Lower Pressure

Linjing Wu, Zelong Wang, Guiqi Liu +18

Although tremendous progress has been made in recent years in the field of polyhydride superconductors, the realization of high critical temperature superconductivity still relies…

cond-mat.supr-con2026

Superconductivity of Tellurium Polyhydride with Tc above 90K

Jinfu Zhu, Guiqi Liu, Yuanhao Su +15

We report experimental diacovery of superconductivity (SC) in tellurium (Te) polyhydride. The compound was synthesized at high pressure and high temperature conditions using a diam…

cond-mat.str-el2026

Outstanding TC Enhancement in 5d-3d Y2NiIrO6 by Compression

Zheng Deng, Yao Zhang, Sijia Zhang +16

Understanding and predicting the properties of 5d compounds critically depend on the identification of the superexchange interactions from which their magnetism emerges. The study…

cond-mat.supr-con2025

Half-filled metal and molecular-orbital-mediated pairing in cuprate

Sixuan Chen, Zhiheng Yao, Ning Xia +7

The cuprates exhibit anomalous momentum-space structure with antinodal gap and nodal arc in the underdoped regime, which evolves into a complete hole-type Fermi surface with a larg…

cond-mat.str-el2025

Ultrafast charge-transfer dynamics in CaCuOCl from time-resolved optical reflectivity

Haiyun Huang, Xiu Zhang, Junzhi Zhu +7

We employ time-resolved optical reflectivity to investigate the ultrafast dynamics of the charge-transfer gap (CTG) in a parent cuprate compound CaCuOCl (CCOC). We obse…

cond-mat.mtrl-sci2024

One Pot Synthesis of Cubic Gauche Polymeric Nitrogen

Runteng Chen, Jun Zhang, Zelong Wang +5

The long sought cubic gauche polymeric nitrogen (cg-N) consisting of N-N single bonds has been synthesized by a simple route using sodium azide as a precursor at ambient conditions…

cond-mat.mtrl-sci2024★ 7 cited

A facile route to synthesize cubic gauche polymeric nitrogen

Runteng Chen, Jun Zhang, Zelong Wang +8

In this work, the long-sought cg-N with N-N single bond has been synthesized for the first time by a thermal-driven-only chemical route at ambient conditions. The successful synthe…

cond-mat.supr-con2023★ 7 cited

Superconductivity with Tc 116K discovered in antimony polyhydrides

K. Lu, X. He, C. L. Zhang +15

Superconductivity (SC) was experimentally observed for the first time in antimony polyhydride. The diamond anvil cell combined with laser heating system was used to synthesize the…

cond-mat.supr-con2023★ 1 cited

Visualizing the Zhang-Rice singlet, molecular orbitals and pair formation in cuprate

Shusen Ye, Jianfa Zhao, Zhiheng Yao +7

The parent compound of cuprates is a charge-transfer-type Mott insulator with strong hybridization between the Cu and O orbitals. A key question concern…

cond-mat.supr-con2023★ 2 cited

Observation of Flat Band and Van Hove Singularity in Non-superconducting Nitrogen-doped Lutetium Hydride

Xin Liang, Zihan Lin, Jun Zhang +15

Hydrogen-rich materials offer a compelling avenue towards room temperature superconductivity, albeit under ultra-high pressure. However, the experimental investigation of the elect…

cond-mat.supr-con2023★ 74 cited

Superconductivity above 70 K observed in lutetium polyhydrides

Zhiwen Li, Xin He, Changling Zhang +17

The binary polyhydrides of heavy rare earth lutetium that shares a similar valence electron configuration to lanthanum have been experimentally discovered to be superconductive. Th…

cond-mat.supr-con2023★ 18 cited

Superconductivity above 30 K achieved in dense scandium

Xin He, Changling Zhang, Zhiwen Li +15

Superconductivity is one of most intriguing quantum phenomena, and the quest for elemental superconductors with high critical temperature (Tc) is of great scientific significance d…

cond-mat.supr-con2022★ 23 cited

Superconductivity Observed in Tantalum Polyhydride at High Pressure

X. He, C. L. Zhang, Z. W. Li +15

We report experimental discovery of tantalum polyhydride superconductor. It was synthesized at high pressure and high temperature conditions using diamond anvil cell combined with…

cond-mat.str-el2022

A ferrotoroidic candidate with well-separated spin chains

Jun Zhang, Xiancheng Wang, Long Zhou +22

The search of novel quasi one-dimensional (1D) materials is one of the important aspects in the field of material science. Toroidal moment, the order parameter of ferrotoroidic ord…

cond-mat.str-el2021

Temperature dependence of the electronic structure of Ca3Cu2O4Cl2 Mott insulator

Li Haiwei, Ye Shusen, Zhao Jianfa +2

We use scanning tunneling microscopy to study the temperature evolution of electronic structure in Ca3Cu2O4Cl2 parent Mott insulator of cuprates. We find that the upper Hubbard ban…

cond-mat.mtrl-sci2021★ 9 cited

Long-Time Magnetic Relaxation in Antiferromagnetic Topological Material EuCdAs

Yang Wang, Cong Li, Yong Li +12

Magnetic topological materials have attracted much attention due to the correlation between topology and magnetism. Recent studies suggest that EuCdAs is an antiferromagnet…

cond-mat.supr-con2021★ 283 cited

Superconductivity above 200 K Observed in Superhydrides of Calcium

Z. Li, X. He, C. L. Zhang +20

Searching for superconductivity with Tc near room temperature is of great interest both for fundamental science & many potential applications. Here we report the experimental disco…

cond-mat.str-el2021★ 29 cited

Momentum-Resolved Visualization of Electronic Evolution in Doping a Mott Insulator

Cheng Hu, Jianfa Zhao, Qiang Gao +13

High temperature superconductivity in cuprates arises from doping a parent Mott insulator by electrons or holes. A central issue is how the Mott gap evolves and the low-energy stat…

cond-mat.supr-con2021

Imaging the atomic-scale electronic states induced by a pair of hole dopants in Ca2CuO2Cl2 Mott insulator

Haiwei Li, Shusen Ye, Jianfa Zhao +2

We use scanning tunneling microscopy to visualize the atomic-scale electronic states induced by a pair of hole dopants in Ca2CuO2Cl2 parent Mott insulator of cuprates. We find that…

cond-mat.supr-con2021★ 11 cited

Crystal structure and properties of iron-based spin-chain compound Ba9Fe3Se15

Jun Zhang, Alexander C. Komarek, Meiling Jin +18

We report the synthesis of a new quasi one-dimensional (1D) iron selenide. Ba9Fe3Se15 was synthesized at high temperature and high pressure of 5.5 GPa and systematically studied vi…

cond-mat.supr-con2020★ 49 cited

Mott Transition and Superconductivity in Quantum Spin Liquid Candidate NaYbSe

Yating Jia, Chunsheng Gong, Yixuan Liu +8

The Mott transition is one of the fundamental issues in condensed matter physics, especially in the system with antiferromagnetic long-range order. However the Mott transition in q…

cond-mat.mtrl-sci2020★ 7 cited

Anomalous critical point behavior in dilute magnetic semiconductor (Ca,Na)(Zn,Mn)2Sb2

Shuang Yu, Xinyu Liu, Guoqiang Zhao +8

In this paper we report successful synthesis and magnetic properties of (Ca,Na)(Zn,Mn)2Sb2 as a new ferromagnetic dilute magnetic semiconductor (DMS). In this DMS material the conc…

cond-mat.supr-con2019★ 1 cited

A New Quasi One-Dimensional Compound Ba3TiTe5 and Superconductivity Induced by Pressure

Jun Zhang, Yating Jia, Xiancheng Wang +14

We report systematical studies of a new quasi-one-dimensional (1D) compound Ba3TiTe5 and the high-pressure induced superconductivity therein. Ba3TiTe5 was synthesized at high press…