supported by the National Key Research and Development Program of China(Grant No.2021YFB3601600);the National Natural Science Foundation of China(Grant Nos.12104216,61427812,11774160,51971109,51871236,51771053,U1806219);the Natural Science Foundation of Jiangsu Province of China(Grant Nos.BK20200307,BK20192006,BK20180056);the Fundamental Research Funds for the Central Universities(Grant No.21014380113)。
Research of spin polarization of magnetic CoFeB thin films is of practical importance in spintronic applications.Here,using a direct characterization technique of spin-resolved photoemission spectroscopy,we obtain the...
supported by the National Natural Science Foundation of China(Grant Nos.11888101 and U1832202);the Chinese Academy of Sciences(Grant Nos.QYZDB-SSWSLH043 and XDB33000000);the K.C.Wong Education Foundation(Grant No.GJTD-2018-01);the Informatization Plan of Chinese Academy of Sciences(Grant No.CAS-WX2021SF-0102);supported by the Synergetic Extreme Condition User Facility(SECUF);supported by China Postdoctoral Science Foundation(Grant Nos.2020M680726 and YJ20200325);supported by US DOE(Grant Nos.DE-SC0010526 and DE-SC0012704)。
As a typical hole-doped cuprate superconductor,Bi_(2)Sr_(2)CaCu_(2)O_(8+δ)(Bi2212)carrier doping is mostly determined by its oxygen content.Traditional doping methods can regulate its doping level within the range of...
Supported by the National Natural Science Foundation of China(Grant Nos.62004218,61704008,61804176,and 61991441);Youth Innovation Promotion Association,Chinese Academy of Sciences(Grant No.2021005);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB01000000);Jiangsu Science and Technology Plan(Grant No.BK20180255);supported by the Center for Clean Energy,Institute of Physics,Chinese Academy of Sciences。
The contact characteristic between p-InP and metal plays an important role in InP-related optoelectronic and microelectronic device applications.We investigate the low-resistance Au/Pt/Ni and Au/Ni ohmic contacts to p...
Supported by the National Natural Science Foundation of China(Grant Nos.51672102 and 51972135)。
By vacuum sputtering and annealing processes of gold(Au)films on boron-doped diamond(BDD)surfaces,Aunanoparticles/BDD(AuNP/BDD)composite substrates were prepared as surface-enhanced Raman scattering(SERS)substrates.Th...
Supported by the National Natural Science Foundation of China under Grant Nos 61774154 and 51503196
A kind of n-type HoF_3-doped zinc oxide-based transparent conductive film has been developed by electron beam evaporation and studied under thermal annealing in air and vacuum at temperatures 100–500℃.Effective subs...
Supported by the National Natural Science Foundation of China under Grant No 11475229
Microstructural evolution in H-implanted polycrystalline a-SiC upon thermal annealing at temperature 1100℃ is studied. After annealing, the samples are examined via cross-sectional transmission electron microscopy (...
Chemically synthesized ZnS thin film is found to be a good x-ray radiation sensor. We report the effect of annealing on the x-ray radiation detection sensitivity of a ZnS thin film synthesized by a chemical bath depos...
Supported by the National Natural Science Foundation of China under Grant No 11475229
Bubble evolution in low energy and high dose He-implanted 6H-SiC upon thermal annealing is studied. The (0001)-oriented 6H-SiC wafers are implanted with 15keV helium ions at a dose of 1×10^17 cm^-2 at room temperat...
Supported by the National Natural Science Foundation of China under Grant Nos 11005130,11475229 and 91026002;the Strategic Priority Research Program of Chinese Academy of Sciences under Grant No XDA03010301
Radiation-induced defect annealing in He+ ion-implanted 4H-SiC via H+ ion irradiation is investigated by Raman spectroscopy. There are 4H-SiC wafers irradiated with 230 keV He+ ions wi...
Supported by the National Natural Science Foundation of China under Grant No 11405114;the Natural Science Foundation of Shanxi Province under Grant No 2015021065
Cu ion implantation and subsequent rapid annealing at 500℃ in N2 result in low surface resistivity of 1.611 ohm/sq with high mobility of 290 cm2 V-1S-1 for microcrystalline diamond (MCD) films. Its electrical field...