ARTICLE
Strong interlayer magnetic exchange coupling in La3Ni2O7-δ revealed by inelastic neutron scattering
Tao Xie, Mengwu Huo, Xiaosheng Ni, Feiran Shen, Xing Huang, Hualei Sun, Helen C. Walker, Devashibhai Adroja, Dehong Yu, Bing Shen, Lunhua He, Kun Cao, Meng Wang
Science Bulletin 2024, 69(20): 3221–3227; doi: 10.1016/j.scib.2024.07.030
通过非弹性中子散射技术, 研究人员在La3Ni2O7−δ多晶样品中观测到弱且无色散的磁激发信号, 与条纹型反铁磁序一致. 实验发现层间反铁磁耦合强度为约64 meV, 面内耦合为约3.6 meV. 这些结果表明层间顶点氧通过超交换机制对镍氧化物的高温超导起重要作用, 层间氧空位会破坏超导电性. 该研究为理解镍氧化物高温超导的磁性关联和层间耦合作用提供了重要实验依据.
Quantum spin driven Yu-Shiba-Rusinov multiplets and fermion-parity-preserving phase transition in K3C60
Shu-Ze Wang, Xue-Qing Yu, Li-Xuan Wei, Li Wang, Qiang-Jun Cheng, Kun Peng, Fang-Jun Cheng, Yu Liu, Fang-Sen Li, Xu-Cun Ma, Qi-Kun Xue, Can-Li Song
Science Bulletin 2024, 69(10): 1392–1399; doi: 10.1016/j.scib.2024.03.052
相关报道: 量子秘境：自旋诱导下的Yu-Shiba-Rusinov多重态与量子奇变
Tunable vortex bound states in multiband CsV3Sb5-derived kagome superconductors
Zihao Huang, Xianghe Han, Zhen Zhao, Jinjin Liu, Pengfei Li, Hengxin Tan, Zhiwei Wang, Yugui Yao, Haitao Yang, Binghai Yan, Kun Jiang, Jiangping Hu, Ziqiang Wang, Hui Chen, Hong-Jun Gao
Science Bulletin 2024, 69(7): 885–892; doi: 10.1016/j.scib.2024.01.036
Robust topological superconductivity in spin-orbit coupled systems
at higher-order van Hove filling
Xinloong Han, Jun Zhan, Fu-Chun Zhang, Jiangping Hu, Xianxin Wu
Science Bulletin 2024, 69(3): 319–324; doi: 10.1016/j.scib.2023.12.005
Emergent superconducting fluctuations in compressed kagome superconductor CsV3Sb5
Xikai Wen, Fanghang Yu, Zhigang Gui, Yuqing Zhang, Xingyuan Hou, Lei Shan, Tao Wu, Ziji Xiang, Zhenyu Wang, Jianjun Ying, Xianhui Chen
Science Bulletin 2023, 68(3): 259–265; doi: 10.1016/j.scib.2023.01.020
Short Communication
Charge 4e superconductor: A wavefunction approach
Pengfei Li, Kun Jiang, Jiangping Hu
Science Bulletin 2024, 69(15): 2328–2331; doi: 10.1016/j.scib.2024.06.002
Emergence of superconducting dome in ZrNx films via variation of nitrogen concentration
Fucong Chen, Xinbo Bai, Yuxin Wang, Tao Dong, Jinan Shi, Yanmin Zhang, Xiaomin Sun, Zhongxu Wei, Mingyang Qin, Jie Yuan, Qihong Chen, Xinbo Wang, Xu Wang, Beiyi Zhu, Rongjin Huang, Kun Jiang, Wu Zhou, Nanlin Wang, Jiangping Hu, Yangmu Li, Kui Jin, Zhongxian Zhao
NEWS & VIEWS
Spectroscopic evidence of isotropic electronic pairing in kagome
superconductors
Zhenyu Wang, Junfeng He, Tao Wu, Xianhui Chen
Superconductivity in a strange metal
Jie Wu, Ivan Bozovic
COMMENTARY
Quantum dephasing of kagome superconductivity
Jia-Xin Yin
