the National Key Research and Development Program of China(Grant Nos.2022YFA1403400 and 2017YFA0304700);the National Natural Science Foundation of China(Grant Nos.12074417,92065203,92065106,61974138,11774405,11527806,and 12104489);the Strategic Priority Research Program B of Chinese Academy of Sciences(Grant Nos.XDB28000000 and XDB33000000);the Synergetic Extreme Condition User Facility sponsored by the National Development and Reform Commission;the Innovation Program for Quantum Science and Technology(2021ZD0302600);the support from Youth Innovation Promotion Association,Chinese Academy of Sciences(Grant Nos.2017156 and Y2021043).
Negative differential conductance(NDC)serves as a crucial characteristic that reveals various underlying physics and transport process in hybrid superconducting devices.We report the observation of gate-tunable NDC ou...
Supported by the National Natural Science Foundation of China under Grant Nos 11504283 and 21503153;the Natural Science Foundation of Shaanxi Province under Grant No 2014JM1025;the Science and Technology Star Project of Shaanxi Province under Grant No 2016KJXX-45
We investigate the electronic transport properties of dipyrimidinyl-diphenyl sandwiched between two armchair graphene nanoribbon electrodes using the nonequilibrium Green function formalism combined with a first-princ...
Supported by the Weapon Equipment Pre-Research Foundation of China under Grant No 9140A11020114ZK34147;the Shanghai Municipal Natural Science Foundation under Grant Nos 15ZR1447100 and 15ZR1447200
An anomalous total dose effect that the long length device is more susceptible to total ionizing dose than the short one is observed with the 0.13?μm partially depleted silicon-on-insulator technology. The measured ...
Single arid dual δ-doped GaAs/AlGaAs two-dimensional electron gas (2DEG) Hall devices for low magnetic field detection at room temperature are prepared. The sensitivity and noise spectrum of the Hall devices are me...
Supported by the National Natural Science Foundation of China under Grant No 61306006
We report on an improved metal-graphene ohmic contact in bilayer epitaxial graphene on a SiC substrate with contact resistance below 0.1 Ω.mm. Monolayer and bilayer epitaxial graphenes are prepared on a 4HoSiC substr...
Supported by the National Natural Science Foundation of China under Grant No 11104314
A detailed investigation is presented for Love waves (LWs) with thick viscoelastic guiding layers. A theoretical calculation and an experiment are carried out for LW devices incorporating an SU-8 guiding layer, an S...
Quasi-monolayer graphene is successfully grown by the plasma enhanced chemical vapor deposition hetero- epitaxial method we reported previously. To measure its electrical properties, the prepared graphene is fabricate...
Supported by the National Basic Research Program of China under Grant Nos 2011CB922200, 2014CB643903 and 2011CBA00111, the National Natural Science Foundation of China under Grant Nos 11174272 and 61225021, the '100 Talents Project' of Chinese Academy of Sciences of China, the Joint Funds of the National Natural Science Foundation of China and the Chinese Academy of Sciences' Large-scale Scientific Facility under Grant No U1232139, and the Director's Fund of Hefei Institutes of Physical Science of Chinese Academy of Sciences under Grant No YZJJ201311.
We carefully investigate the transport and capacitance properties of few layer charge density wave (CDW) 2HTaS2 devices. The CDW transition temperature and the threshold voltage vary from device to device, which is ...
Supported by the National Natural Science Foundation of China under Grant No 51202196;the Northwestern Polytechnical University(NPU)Foundation for Fundamental Research(No JC201111);the Research Fund of the State Key Laboratory of Solidification Processing(NWPU)(No 58-TZ-2011);the 111 Project(No B08040).
Resistive switching characteristics of hafnium oxide are studied for possible nonvolatile memory device applications.The HfOx films with different oxygen contents are deposited by rf magnetron sputtering under differe...
An anomalous total dose effect is observed in narrow-width devices fabricated in a 0.2μm partially-depleted silicon-on-insulator(SOI)technology.The previous radiation-induced narrow channel effect manifests itself wi...