Supported by the Ministry of Science and Technology of China under Grant No 2012YQ170004, and the National Natural Science Foundation of China under Grant No 61307064.
Direct laser writing technique has become a well-established, multi-functional and flexible method for fabricating high quality diffractive optical elements. We propose and build a maskless direct laser writing system...
Supported by the National Natural Science Foundation of China under Grant Nos 21121001 and 50821062;the National Basic Research Program of China under Grant No 2013CB933000.
A miniature device composed of anodic aluminum oxide membrane and aligned polypropylene submicron tubes is fabricated by a simple template method.When organic fluids are dripped on the membrane,the device floating on ...
the National Natural Science Foundation of China under Grant No 11132006;the National Basic Research Program of China under Grant No 2010CB631005.
The operation mechanism of single cross slip multiplication(SCSM)is investigated by studying the response of one dislocation loop expanding in face-centered-cubic(FCC)single crystal using three-dimensional discrete di...
Supported by the National Natural Science Foundation of China under Grant No 11174104;the National Fund for Fostering Talents of Basic Science under Grant No J1103202.
YCo_(5) alloy is processed by surfactant-assisted high-energy ball milling. Oleic acid is used as the surfactant and is 20% of the starting powder.The resultant particles are flakes of several microns in length and wi...
Supported by the National Natural Science Foundation of China under Grant Nos 11074060,51172058 and 51102069.
Fabrication and electrical characteristics of individual ZnO submicro-wire field-effect transistors(FETs)are investigated by a simple micro-grid template method.The fabricated back-gate ZnO submicro-wire FET is charac...
by the National Natural Science Foundation of China under Grant Nos 60877029,10904109,60977035 and 60907021;the Natural Science Foundation of Tianjin(Nos 09JCYBJC01400 and 11JCYBJC00300);the Natural Science Foundation of the Tianjin Education Committee(No 20071207);Tianjin Key Subject for Materials Physics and Chemistry.
KBr:Pr with a submicron rod structure is successfully synthesized by a solid-state reaction using absolute alcohol as the abrasive.X-ray diffraction,scanning electron microscopy,photoluminescence spectra and fluoresce...
The layer structure of InGaAs/InP double heterojunction bipolar transistor (DHBT) is designed to enhance the frequency performance and breakdown voltage. The composition-graded base structure is used to decrease the...
Supported by the National Natural Science Foundation of China under Grant Nos 59995550-5 and 90607003.
Thermal conductivity of submicron-thick aluminium oxide thin films prepared by middle frequency magnetron sputtering is measured using a transient thermo-reflectance technique. A three-layer model based on transmissio...
Supported by the National Basic Research Programme of China under Grant No 2004CB619304, the National Natural Science Foundation of China under Grant Nos 10625209, 10472050, and 10121202, the Excellent Young Teacher Programme of the Ministry of Education of China, and the Programme for New Century Excellent Talents (NCET) in University, Ministry of Education of China.
A focused gallium ion (Ga+) beam is used to fabricate micro/submicron spacing gratings on the surface of porous NiTi shape memory alloy (SMA ). The crossing type of gratings with double-frequency (25001/mm and 5...
The sample was prepared by implanting Mn^(+) ions at energy of 80keV and Mn^(+) ions of dose of 2×1017/cm^(2) directly into the semi-insulating(100)GaAs wafer,followed by rapid annealing at 830℃ for 90s.By using mag...