Zengjia Liu

activity

20202023

most citedSuperconductivity near 80 Kelvin in single crystals of La3Ni2O7 under pressure

752 citations · 1k across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.supr-con2023★ 752 cited

Superconductivity near 80 Kelvin in single crystals of La3Ni2O7 under pressure

Hualei Sun, Mengwu Huo, Xunwu Hu +10

High-transition-temperature (high-T_c) superconductivity in cuprates has been discovered for more than three decades, but the underlying mechanism remains a mystery. Cuprates are t…

cond-mat.supr-con2022

Exchange field enhanced upper critical field of the superconductivity in compressed antiferromagnetic EuTe2

Hualei Sun, Liang Qiu, Yifeng Han +17

We report high pressure studies on the C-type antiferromagnetic semiconductor EuTe2 up to 36.0 GPa. A structural transition from the I4/mcm to C2/m space group is identified at ~16…

cond-mat.str-el2022★ 178 cited

Evidence for charge and spin order in single crystals of La $_{3}$ Ni $_{2}$ O $_{7}$ and La $_{3}$ Ni $_{2}$ O $_{6}$

Zengjia Liu, Hualei Sun, Mengwu Huo +15

Charge and spin order is intimately related to superconductivity in copper oxide superconductors. To elucidate the competing orders in various nickel oxide compounds are crucial gi…

cond-mat.supr-con2022★ 1 cited

Single crystal growth and superconductivity in RbNi $_{2}$ Se $_{2}$

Hui Liu, Xunwu Hu, Hanjie Guo +14

We report the synthesis and characterization of RbNi $_{2}$ Se $_{2}$ , an analog of the iron chalcogenide superconductor Rb $_{x}$ Fe $_{2}$ Se $_{2}$ , via transport, angle resolved photoemission sp…

cond-mat.supr-con2022★ 15 cited

Synthesis and Properties of La $_{1 - x}$ Sr $_{x}$ NiO $_{3}$ and La $_{1 - x}$ Sr $_{x}$ NiO $_{2}$

Mengwu Huo, Zengjia Liu, Hualei Sun +6

Superconductivity has been realized in films of La $_{1 - x}$ Sr $_{x}$ NiO $_{2}$ . Here we report synthesis and characterization of polycrystalline samples of La $_{1 - x}$ Sr $_{x}$ NiO $_{3}$ and La$…

cond-mat.supr-con2022

Effect of iron vacancies on the magnetic order and spin dynamics of the spin ladder BaFe $_{2 - δ}$ S $_{1.5}$ Se $_{1.5}$

Zengjia Liu, Xiao-Sheng Ni, Lisi Li +11

Quasi-one-dimensional iron chalcogenides possess various magnetic states depending on the lattice distortion, electronic correlations, and presence of defects. We present neutron d…

cond-mat.supr-con2021★ 12 cited

Coexistence of ferromagnetism, antiferromagnetism, and superconductivity in magnetically anisotropic (Eu,La)FeAs2

Jia Yu, Congcong Le, Zhiwei Li +8

Materials with exceptional magnetism and superconductivity usually conceive emergent physical phenomena. Here, we investigate the physical properties of the (Eu,La)FeAs2 system wit…

cond-mat.str-el2021★ 24 cited

Structure and magnetic properties of the $S = 3/2$ zigzag spin chain antiferromagnet BaCoTe $_{2}$ O $_{7}$

Lisi Li, Xunwu Hu, Zengjia Liu +7

We report an investigation on structure and magnetic properties of the $S = 3/2$ zigzag spin chain compound BaCoTe $_{2}$ O $_{7}$ . Neutron diffraction measurements reveal BaCoTe $_{2}$ O $_{7}$ c…

cond-mat.str-el2020★ 14 cited

Magnetic ordering and spin dynamics in $S = 5/2$ staggered triangular lattice antiferromagnet Ba $_{2}$ MnTeO $_{6}$

Lisi Li, Narendirakumar Narayanan, Shangjian Jin +10

We report studies of the magnetic properties of a staggered stacked triangular lattice Ba $_{2}$ MnTeO $_{6}$ using magnetic susceptibility, specific heat, neutron powder diffraction and…

cond-mat.supr-con2020★ 10 cited

Structural, magnetic, and electronic evolution of the spin-ladder system BaFe $_{2}$ S $_{3 - x}$ Se $_{x}$ with isoelectronic substitution

Jia Yu, Meng Wang, Benjamin A. Frandsen +11

We report experimental studies of a series of BaFe $_{2}$ S $_{3 - x}$ Se $_{x}$ ( $0 \leq x \leq 3$ ) single crystals and powder specimens using x-ray diffraction, neutron diffraction, muon spin…

Superconductivity near 80 Kelvin in single crystals of La3Ni2O7 under pressure

Exchange field enhanced upper critical field of the superconductivity in compressed antiferromagnetic EuTe2

Evidence for charge and spin order in single crystals of La3​Ni2​O7​ and La3​Ni2​O6​

Single crystal growth and superconductivity in RbNi2​Se2​

Synthesis and Properties of La1−x​Srx​NiO3​ and La1−x​Srx​NiO2​

Effect of iron vacancies on the magnetic order and spin dynamics of the spin ladder BaFe2−δ​S1.5​Se1.5​