National Natural Science Foundation of China(Grant Nos.11734018 and 11674360)。
The trapped ions confined in a surface-electrode trap(SET)could be free from rf heating if they stay at the rf potential null of the potential well.We report our effort to compensate three-dimensionally for the microm...
Supported by the National Natural Science Foundation of China under Grant Nos 91426301,11605256 and 11405231
As recombination centers of vacancies(Vs)and self-interstitial atoms(SIAs),firstly grain boundaries(GBs)should have strong capability of trapping point defects.In this study,abilities to trap Vs and SIAs of eight symm...
Supported by the National Natural Science Foundation of China under Grant Nos 51337002,51077028,51502063 and 51307046;the Foundation of Harbin Science and Technology Bureau of Heilongjiang Province under Grant No RC2014QN017034
The distributions of traps and electron density in the interfaces between polyimide (PI) matrix and Al2O3 nanoparticles are researched using the isothermal decay current and the small-angle x-ray scattering (SAXS)...
Supported by the National Natural Science Foundation of China under Grant Nos 11434015,91336106 and 11004224;the National Basic Research Program of China under Grant No 2011CB921601
We experimentally produce the rubidium Bose-Einstein condensate in an optically plugged magnetic quadrupole trap. A far blue-detuned focused laser beam with a wavelength of 532nm is plugged in the center of the magnet...
Supported by the National Basic Research Program of China under Grant No 2013CB922002;the National Natural Science Foundation of China under Grant No 11474347
We report on the production of large sodium Bose^Einstein condensates in a hybrid of magnetic quadrupole and optical dipole trap. With an optimized spin-flip Zeeman slower, 2 ~ 1010 sodium atoms are captured in the ma...
Supported by the National Basic Research Program of China under Grant No 2011CB921501;the National Natural Science Foundation of China under Grant Nos 11334001 and 61475007;the Research Fund for the Doctoral Program of Higher Education of China under Grant No 20120001110091
We demonstrate a method to precisely calibrate the relative position between an optical dipole trap and a magnetic quadrupole potential in making a Bose-Einstein condensate via the hybrid trap. We measure the displace...
Supported by the Science and Technology Commission of Shanghai Municipality under Grant Nos 12ZR1453000, 12ZR1453100 and 12ZR1436300, the National Natural Science Foundation of China under Grant Nos 61306126, 61306127 and 61106015, and the CAS International Collaboration and Innovation Program on High Mobility Materials Engineering and Open Project of State Key Laboratory of Functional Materials for Informatics under Grant No SKL201304.
The gate-induced-drain-leakage of MOSFETs is analyzed to better understand the sub-threshold swing degradation of SiOe tunnel field-effect transistors and their band-to-band tunneling mechanism. The numerical model of...
Supported by the National Natural Science Foundation of China under Grant Nos 71301043, 71171185, and 71071044, and the 1000 Talent Plan for High-Level Foreign Experts under Grant No WQ20123400070.
Random walks are the most fundamental process among various dynamical processes, and most previous works focused on binary networks. This work studies random walks on deterministic weighted scale-free small-world netw...
Supported by the National Basic Research Program of China under Grant Nos 2010CB327504,2011CB922100 and 2011CB301900;the National Natural Science Foundation of China under Grant Nos 60825401,60806026,60936004 and 60990311.
The impact of interfacial trap states on the stability of amorphous indium-gallium-zinc oxide thin film transistors is studied under positive gate bias stress.With increasing stress time,the device exhibits a large po...
Supported by the National Natural Science Foundation of China under Grant Nos 11174331 and 10804123;the National Key Basic Research Program of China under Grant No 2011CB921503.
We have studied the interference effect of a Bose-Einstein condensate expanding in a ring-shaped trap. The dynamic process of the condensate is analyzed based on the Gross- Pitaevskii equation.Our numerical results sh...