supported by the Fundamental Research Funds for the Central Universities(Grant No.010-63243095);the National Science Foundation of China(Grant Nos.92263101 and 12174200)。
In the quasi-free electron model,the Fermi surface spreads into a sphere in the Brillouin zone,i.e.,the Fermi sphere.The Fermi sphere exists widely in metal systems,no matter whether the crystal is in a body-center cu...
financially supported by the National Key R&D Program of China(Grant No.2023YFA1406200);the National Natural Science Foundation of China(Grant Nos.12174143 and U2032215)。
We investigate high-pressure phase diagrams of Pr–N compounds by proposing five stable structures(PnmaPr N,Ⅰ4/mmm-PrN_(2),C2/m-PrN_(3),P■-PrN_(4),and R3-PrN_(8))and two metastable structures(P■-PrN_(6)and P■-PrN_...
Supported by the National Natural Science Foundation of China under Grant Nos 61376021 and 61674159;the Program of Shanghai Academic/Technology Research Leader under Grant No 17XD1424500
Crystal morphologies and resistivity of polysilicon trap-rich layers of two-generation trap-rich silicon-on-insulator(TR-SOI) substrates are studied. It is found that the resistivity of the trap-rich layer of genera...
Supported by the Natural Science Foundation of Shandong Province under Grant Nos ZR2016AP02,ZR2016FM38 and ZR2016EMP01;the Innovation Project of Ludong University under Grant No LB2016013;the Open Project of State Key Laboratory of Superhard Materials of Jilin University under Grant No 201605;the National Natural Science Foundation of China under Grant Nos 11704170 and 61705097
A new phase of RhB4is predicted based on first-principles calculations.The new phase belongs to the orthorhombic Pnnm space group,named as o-RhB4,and analysis of the calculated enthalpy shows that o-RhB4belongs to the...
Supported by the Major National Scientific Research Plan of China under Grant No 2011CB933102, and the National Natural Science Foundation of China under Grant Nos 61234007 and 61201104.
Sn-rich Au Sn solder bonding is systematically investigated. High shear strength (64 MPa) and good hermeticity (a leak rate lower than 1 × 10-7 torr.1/s) are obtained for Au-Sn solder with 54wt% Sn bonded at 310...
Supported by the Industry/University Cooperative Research Center in Data Storage Technology and Applications,King Mongkut’s Institute of Technology Ladkrabang and the National Electronics and Computer Technology Center,the National Science and Technology Development Agency;the Commission of Higher Education under the National Research University(NRU)Project.
Re-deposition is a non-volatile etching by-product in reactive ion etching systems that is well known to cause dirt on etching work.In this study,we propose a novel etching method called the polymer-rich re-deposition...
Supported by the National Natural Science Foundation of China under Grant No 11275262.
We investigate the photoluminescence(PL)emission from InGaN/GaN multiple quantum-well structures before and after 1 MeV electron irradiation.The PL peak intensity exhibits a slight enhancement after low-dose electron ...
the Opening Project of Xinjiang Laboratory of Phase Transitions and Microstructures of Condensed Matters(Nos XJDX0912-2012-03,XJDX0912-2012-02);the Project of Changji Collge(Nos 2011YJYB001,2011YJYB006).
An indium-rich InGaN p-n junction is grown on a strain-relaxed InGaN buffer layer.The results show that the n-InGaN is grown coherently on the buffer layer but the p-InGaN layer exhibits a partial strain relaxation.Th...
Supported by the National Basic Research Program of China(2010CB934300,2011CBA00607,2011CB932800);the National Integrate Circuit Research Program of China(2009ZX02023-003);the National Natural Science Foundation of China(60906003,60906004,61006087,61076121,61106055).
Sb rich Ge_(2)Sb_(5)Te_(5) materials are investigated for use as the storage medium for high-speed phase change memory(PCM).Compared with conventional Ge2Sb2Te5,Ge_(2)Sb_(5)Te_(5) films have a higher crystallisation t...
Supported by the National Natural Science Foundation of China under Grant No 10747109, and the Research Fund for the Doctoral Programme of Higher Education of China under Grant No 20070008001.
Two-dimensional (219) relativistic magnetosonic solitons in the negative-ion-rich plasma consisting of positive ions Ar+, negative ions SF6 and electrons are investigated in the presence of an applied magnetic fiel...