337 citations · 1.1k across the 20 of their papers we have counts for
20 papers
In Operando magnetometry study on the charge storage mechanism of SnCo alloy lithium ion batteries
Qingtao Xia, Xiangkun Li, Kai Wang +14
In view of the long-standing controversy over the reversibility of transition metals in Sn-based alloys as anode for Li-ion batteries, an in situ real-time magnetic monitoring meth…
Enhanced spin transfer torque in platinum/ferromagnetic-metal structures by optimizing the platinum thickness
Jianshu Xue, Yaping Guo, Ledong Wang +5
Spin transfer torque (STT) driven by a charge current plays a key role in magnetization switching in heavy-metal/ferromagnetic-metal structures. The STT efficiency defined by the r…
Electrical control of spin mixing conductance in a YFeO/Platinum bilayer
Ledong Wang, Zhijian Lu, Jianshu Xue +6
We report a tunable spin mixing conductance, up to , in a YFeO/Platinum (YIG/Pt) bilayer.This control is achieved by applying a gate voltage with…
Enhanced Interfacial Dzyaloshinskii-Moriya Interaction in annealed Pt/Co/MgO structures
Anni Cao, Runze Chen, Xueying Zhang +5
The interfacial Dzyaloshinskii-Moriya interaction (iDMI) is attracting great interests for spintronics. An iDMI constant larger than 3 mJ/m^2 is expected to minimize the size of sk…
Fingerprint oxygen redox reactions in batteries through high-efficiency mapping of resonant inelastic X-ray scattering (mRIXS)
Jinpeng Wu, Qinghao Li, Shawn Sallis +6
Realizing reversible reduction-oxidation (Redox) reactions of lattice oxygen in batteries is a promising way to improve the energy and power density. However, conventional oxygen a…
High Reversibility of Lattice Oxygen Redox in Na-ion and Li-ion Batteries Quantified by Direct Bulk Probes of both Anionic and Cationic Redox Reactions
Kehua Dai, Jinpeng Wu, Zengqing Zhuo +17
The reversibility and cyclability of anionic redox in battery electrodes hold the key to its practical employments. Here, through mapping of resonant inelastic X-ray scattering (mR…
Terahertz Spin Transfer Torque Oscillator Based on a Synthetic Antiferromagnet
Hai Zhong, Shizhu Qiao, Shishen Yan +6
Bloch-Bloembergen-Slonczewski equation is adopted to simulate magnetization dynamics in spin-valve based spin-transfer torque oscillator with synthetic antiferromagnet acting as a…
Prediction of Topological Crystalline Insulator and Topological Phase Transitions in Two-dimensional PbTe Films
Yi-zhen Jia, Wei-xiao Ji, Chang-wen Zhang +5
Topological phases, especially topological crystalline insulators (TCIs), have been intensively explored observed experimentally in three-dimensional (3D) materials. However, the t…
Discovery of Intrinsic Quantum Anomalous Hall Effect in Organic Mn-DCA Lattice
Ya-ping Wang, Wei-xiao Ji, Chang-wen Zhang +6
The quantum anomalous Hall (QAH) phase is a novel topological state of matter characterized by a nonzero quantized Hall conductivity without an external magnetic field. The realiza…
Two-Dimensional Arsenene Oxide: A Realistic Large-gap Quantum Spin Hall Insulator
Ya-ping Wang, Wei-xiao Ji, Chang-wen Zhang +5
Searching for two-dimensional (2D) realistic materials able to realize room-temperature quantum spin Hall (QSH) effects is currently a growing field. Here, we through ab initio cal…
Who pumps spin current into nonmagnetic-metal (NM) layer in YIG/NM multilayers at ferromagnetic resonance?
Yun Kang, Hai Zhong, Runrun Hao +11
Spin pumping in Yttrium-iron-garnet (YIG)/nonmagnetic-metal (NM) layer systems under ferromagnetic resonance (FMR) conditions is a popular method of generating spin current in the…
Large-gap quantum spin Hall state in functionalized dumbbell stanene
Ya-ping Wang, Wei-xiao Ji, Chang-wen Zhang +5
Two-dimensional dumbbell (DB) stanene has been proposed as a promising candidate material for realizing quantum spin Hall effect (QSHE) by Tang et al [P. Tang, P. Chen, W. Cao, H.…
Functionalized Thallium Antimony Films as Excellent Candidates for Large-Gap Quantum Spin Hall Insulator
Run-wu Zhang, Chang-wen Zhang, Wei-xiao Ji +4
Group III-V films are of great importance for their potential application in spintronics and quantum computing. Search for two-dimensional III-V films with a nontrivial large-gap a…
Large rectification magnetoresistance in nonmagnetic Al/Ge/Al heterojunctions
Kun Zhang, Huan-huan Li, Peter Grünberg +9
Magnetoresistance and rectification are two fundamental physical properties of heterojunctions and respectively have wide applications in spintronics devices. Being different from…
Disorder Enhanced Nuclear Spin Relaxation at Landau Level Filling Factor One
Tong Guan, Benedikt Friess, Yongqing Li +4
The nuclear spin relaxation rate (1/) is measured for GaAs two-dimensional electron systems in the quantum Hall regime with an all-electrical technique for agitating and probi…
Evidence for Half-Metallicity in n-type HgCr2Se4
Tong Guan, Chaojing Lin, Chongli Yang +8
High quality HgCrSe single crystals have been investigated by magnetization, electron transport and Andreev reflection spectroscopy. In the ferromagnetic ground state, the…
Anomalous Hall Effect in Variable Range Hopping Regime: Unusual Scaling Law and Sign Reversal with Temperature
R. M. Qiao, S. S. Yan, T. S. Xu +6
Anomalous Hall effect (AHE) is important for understanding the topological properties of electronic states, and provides insight into the spin-polarized carriers of magnetic materi…
Spectroscopic fingerprints of valence and spin states in manganese oxides and fluorides
Ruimin Qiao, Timothy Chin, Stephen J. Harris +2
We performed a systematic study of soft X-ray absorption spectroscopy in various manganese oxides and fluorides. Both Mn L-edges and ligand (O and F) K-edges are presented and comp…
Hybrid density functional study of band alignment in ZnO/GaN and ZnO/(Ga1-xZnx)(N1-xOx)/GaN heterostructures
Zhenhai Wang, Mingwen Zhao, Xiaopeng Wang +4
The band alignment in ZnO/GaN and related heterostructures are crucial for the uses in solar harvesting technology. Here, we report our density functional calculations of the band…
Orientation-dependent stability and quantum-confinement effects of silicon carbide nanowires
Zhenhai Wang, Mingwen Zhao, Tao He +6
The energetic stability and electronic properties of hydrogenated silicon carbide nanowires (SiCNWs) with zinc blende (3C) and wurtzite (2H) structures are investigated using first…