Absence of 3a0 charge density wave order in the infinite-layer nickelate NdNiO2 [0.03%]
无限层镍酸盐NdNiO2中不存在3a0电荷密度波有序状态
C T Parzyck,N K Gupta,Y Wu et al.
C T Parzyck et al.
A hallmark of many unconventional superconductors is the presence of many-body interactions that give rise to broken-symmetry states intertwined with superconductivity. Recent resonant soft X-ray scattering experiments report commensurate 3...
Field-free switching of perpendicular magnetization by two-dimensional PtTe2/WTe2 van der Waals heterostructures with high spin Hall conductivity [0.03%]
通过高自旋霍尔电导的二维PtTe2/WTe2范德华异质结构实现垂直磁化无磁场切换
Fei Wang,Guoyi Shi,Kyoung-Whan Kim et al.
Fei Wang et al.
The key challenge of spin-orbit torque applications lies in exploring an excellent spin source capable of generating out-of-plane spins while exhibiting high spin Hall conductivity. Here we combine PtTe2 for high spin conductivity and WTe2 ...
Luke Cording,Jiawei Liu,Jun You Tan et al.
Luke Cording et al.
In anisotropic crystals, the direction-dependent effective mass of carriers can have a profound impact on spin transport dynamics. The puckered crystal structure of black phosphorus leads to direction-dependent charge transport and optical ...
Fe-Ni-based alloys as highly active and low-cost oxygen evolution reaction catalyst in alkaline media [0.03%]
碱性介质中具有高活性低成本的氧进化反应催化剂-Fe-Ni基合金
Lucile Magnier,Garance Cossard,Vincent Martin et al.
Lucile Magnier et al.
NiFe-based oxo-hydroxides are highly active for the oxygen evolution reaction but require complex synthesis and are poorly durable when deposited on foreign supports. Herein we demonstrate that easily processable, Earth-abundant and cheap F...
Manuel Längle,Kenichiro Mizohata,Clemens Mangler et al.
Manuel Längle et al.
The van der Waals atomic solids of noble gases on metals at cryogenic temperatures were the first experimental examples of two-dimensional systems. Recently, such structures have also been created on surfaces under encapsulation by graphene...
Alexander Fritzsche,Tobias Biesenthal,Lukas J Maczewsky et al.
Alexander Fritzsche et al.
Topological insulators are a concept that originally stems from condensed matter physics. As a corollary to their hallmark protected edge transport, the conventional understanding of such systems holds that they are intrinsically closed, th...
Electrochemical and chemical cycle for high-efficiency decoupled water splitting in a near-neutral electrolyte [0.03%]
在近中性电解质中高效分离水分解的电化学和化学循环
Ilya Slobodkin,Elena Davydova,Matan Sananis et al.
Ilya Slobodkin et al.
Green hydrogen produced by water splitting using renewable electricity is essential to achieve net-zero carbon emissions. Present water electrolysis technologies are uncompetitive with low-cost grey hydrogen produced from fossil fuels, limi...
Shallow defects and variable photoluminescence decay times up to 280 µs in triple-cation perovskites [0.03%]
三元阳离子钙钛矿中的浅缺陷及变化的光致发光衰减时间长达280皮秒
Ye Yuan,Genghua Yan,Chris Dreessen et al.
Ye Yuan et al.
Quantifying recombination in halide perovskites is a crucial prerequisite to control and improve the performance of perovskite-based solar cells. While both steady-state and transient photoluminescence are frequently used to assess recombin...
Lok Wing Wong,Ke Yang,Wei Han et al.
Lok Wing Wong et al.
The quest for electronic devices that offer flexibility, wearability, durability and high performance has spotlighted two-dimensional (2D) van der Waals materials as potential next-generation semiconductors. Especially noteworthy is indium ...
Compensating losses in polariton propagation with synthesized complex frequency excitation [0.03%]
利用合成的复频率激励来补偿极化激元传播中的损失
Fuxin Guan,Xiangdong Guo,Shu Zhang et al.
Fuxin Guan et al.
Surface plasmon polaritons and phonon polaritons offer a means of surpassing the diffraction limit of conventional optics and facilitate efficient energy storage, local field enhancement and highsensitivity sensing, benefiting from their su...