Supported by the National Key Research and Development Program of China (Grant Nos. 2017YFA0303302,2018YFA0305604,2018YFA0307100);the National Natural Science Foundation of China (Grant Nos. 11888101,11774008,11704279,11874035,51788104);the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000);the Beijing Natural Science Foundation (Grant Nos. Z180010 and 1202005);the Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics,Tsinghua University (Grant No. KF202001)
Recently,intrinsic antiferromagnetic topological insulator MnBi_(2)Te_(4) has drawn intense research interest and leads to plenty of significant progress in physics and materials science by hosting quantum anomalous H...
Supported by the National Natural Science Foundation of China under Grant Nos 11574174,11774193 and 11790311;the National Basic Research Program of China under Grant No 2015CB921000
We report scanning tunneling microscopy investigation on epitaxial ultrathin films of pyrite-type copper disulfide.Layer-by-layer growth of CuS_(2)films with a preferential orientation of(111)on SrTiO_(3)(001)and Bi_(...
Supported by the National Basic Research Program of China under Grant Nos 2013CB921900 and 2014CB920900;the National Natural Science Foundation of China under Grant No 11374021)(S.Yan,Z.Xie,J.-H,Chen);support from the Elemental Strategy Initiative conducted by the MEXT,Japan;a Grant-in-Aid for Scientific Research on Innovative Areas"Science of Atomic Layers"from JSPS
The energy bandgap is an intrinsic character of semiconductors, which largely determines their properties. The ability to continuously and reversibly tune the bandgap of a single device during real time operation is o...
Supported by the Science Foundation of Nanjing University of Posts and Telecommunications under Grant No NY215064;the China Postdoctoral Science Foundation under Grant No 2015M581824;the Jiangsu Post-doctoral Foundation under Grant No1501070B
The searches for large-gap quantum spin Hall insulators are important for both practical and fundamental inter- ests. In this work, we present a theoretical observation of the two-dimensional fully fluorinated stanene...
Supported by the State Key Laboratory of Particle Detection and Electronics;the National Natural Science Foundation of China under Grant No 11375179
We develop an improved design of thin gap chamber (TGC) simulation signal source. To further simulate the feature of TGC detector, a novel thought is proposed. The TGC source has 256 channels. Every channel can rand...
Supported in part by the Postdoctoral Science Foundation of China under Grant No 20100471308;the National Natural Science Foundation of China under Grant Nos 11105122,10935001 and 11075075;the Priority Academic Program Development of Jiangsu Higher Education Institution.
From the graphical representation of the Dyson-Schwinger equation for the dressed gluon propagator it is shown that the gluon propagator in the Wigner phase should be different from that in the Nambu phase.Based on th...
by the National Basic Research Program of China under Grant No 2010CB923202;the National Natural Science Foundation of China under Grant No 60578043;the Common Construction Program of Beijing Municipal commission of Education under Grant No XK100130937。
We investigate the effect of a symmetric gap surface plasmon polariton(SPP)waveguide on ultrashort pulses with a central wavelength of 850 nm and a width of 20 fs using the finite-difference time-domain method.The len...
Supported by the National Basic Research Program of China under Grant Nos 2006CB921702 and 2007CB613205, the National Natural Science Foundation of China under Grant No 10525419.
We design high quality factor (Q) photonic crystal microcavities in diamond films for applications in quantum information based on color centers. A photonic microcavity made from a waveguide heterostructure with a m...
Supported by the National Natural Science Foundation of China under Grant No 1057400 and the Natural Science Foundation of Heilongjiang Province under Grant No A200506.
We study the existence of two-dimensional discrete breathers in a two-dimensional face-centred square lattice consisting of alternating light and heavy atoms, with nearest-neighbour coupling containing quartic soft or...
Supported by the National Natural Science Foundation of China, the National Basic Research Programme of China under Grant Nos 2006CB601000 and 2006CB921802, and Chinese Academy of Sciences (ITSNEM).
We report the specific heat measurements on the newly discovered Fe-based layered LaO0.9Fo0.1-δFeAs superconductor with the onset transition temperature Tc ≈ 28 K. A nonlinear magnetic field dependence of the electr...