|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | High-resolution 3D crustal S-wave velocity structure of the MiddleLower Yangtze River Metallogenic Belt and implications for its deep geodynamic setting显示文摘The Middle-Lower Yangtze River Metallogenic Belt(MLYMB) is an important mineral resource region in China.High-resolution crustal models can provide crucial constraints to understand the ore-forming processes and geodynamic setting in this region. Using ambient seismic noise from 107 permanent and 82 portable stations in the MLYMB and the adjacent area,we present a new high-resolution 3D S-wave velocity model of this region. We first extract 5–50 s Rayleigh wave phase velocity dispersion data by calculating ambient noise cross-correlation functions(CFs) and then use the surface wave direct inversion method to invert the mixed path travel times for the 3D S-wave velocity structure. Checkerboard tests show that the horizontal resolution of the 3D S-wave velocity model is approximately 0.5°–1.0° and that the vertical resolution decreases with increasing noise and depth. Our high-resolution 3D S-wave velocity model reveals:(1) AV-shaped high-velocity zone(HVZ) is located in the lower crust and the uppermost mantle in the study region. The western branch of the HVZ passes through the Jianghan Basin,the Qinling-Dabie orogenic belt and the Nanxiang Basin. The eastern branch, which almost completely covers the main body of the MLYMB, is located near the Tanlu Fault. The low-velocity anomalies between the western and eastern branches are located in the area of the Qinling-Dabie orogenic belt.(2) High-velocity uplifts(HVUs) are common in the crust of the MLYMB,especially in the areas near the Tanlu Fault, the Changjiang Fault and the Yangxin-Changzhou Fault. The intensities of the HVUs gradually weaken from west to east. The V-shaped HVZ in the lower crust and uppermost mantle and the HVUs in the middle and lower crust likely represent cooled mantle intrusive rocks. During the Yanshanian period, fault systems formed in the MLYMB due to the convergence between the South China Plate and the North China Plate, the multiple-direction drifting of the PaleoPacific Plate and its subduction beneath the Eurasian Plate. The dehydration of the cold oceanic crust led to partial melting in the upper mantle. Temperature differences caused strong convection of the upper mantle material that underplated the lower crust and rose to near the surface along the deep fault systems. After mixing with the crustal materials, mineralization processes, such as assimilation and fractional crystallization, occurred in the MLYMB. | Song LUO Huajian YAO Qiusheng LI Weitao WANG Kesong WAN Yafeng MENG Bin LIU | 2019 | Science China Earth Sciences2019，62，9： | 13 |
| 2 | Substrates and interlayer coupling effects on Mo1-xWxSe2 alloys显示文摘Two-dimensional(2D) transition metal dichalcogenides alloys are potential materials in the application of photodetectors over a wide spectral range due to their composition-dependent bandgaps. The study of bandgap engineering is important for the application of 2D materials in devices. Here, we grow the Mo1-xWxSe2 alloys on mica, sapphire and SiO2/Si substrates by chemical vapor deposition(CVD) method. Mo1-x Wx Se2 alloys are grown on the mica substrates by CVD method for the first time. Photoluminescence(PL) spectroscopy is used to investigate the effects of substrates and interlayer coupling force on the optical bandgaps of as-grown Mo1-xWxSe2 alloys. We find that the substrates used in this work have an ignorable effect on the optical bandgaps of as-grown Mo1-xWxSe2. The interlayer coupling effect on the optical bandgaps of as-grown Mo1-xWxSe2 is larger than the substrates effect. These findings provide a new way for the future study of the growth and physical properties of 2D alloy materials. | Fang Liang Hejun Xu Zuoyuan Dong Yafeng Xie Chen Luo Yin Xia Jian Zhang Jun Wang Xing Wu | 2019 | Journal of Semiconductors2019，40，6： | 2 |
| 3 | Field studies on the effect of built forms on urban wind environments显示文摘 | Yafeng Gao Runming Yao Baizhan L Erdal Turkbeyler Qing Luo Alan Short | 2012 | Renewable Energy2012，，46： | 1 |
| 4 | Topical herbal med- icine for treatment of diabetic peripheral neuropathy: a sys- tematic review of randomized controlled trials 显示文摘 | CHEN Wei LUO Yafeng LIU Jiaping | 2011 | For- sehende Komplementarmedizin2011，18，3： | 1 |
| 5 | Excess capacity on compound phases of Li_(2)FeTiO_(4) composite cathode materials synthesized by hydrothermal reaction using optional titanium sources to boost battery performance显示文摘Li_(2)FeTiO_(4) composites have been produced using commercial LiAC,FeCl_(2) and different titanium sources by hydrothermal synthesis(HS)at 175℃and subsequent annealing at 700℃.Impure phase TiO_(2),Fe_(2)O_(3) and FeTi0_(4) were detected out among the Li_(2)FeTiO_(4) composites with different titanium sources.Micron and nano-sized particles of Li2FeTiO4 were prepared from various titanium raw materials,with nano-sized particles predominating when titanium raw materials were layered hydrogen titanate nanowire(H2Ti3O7 NW,HTO-NW)and titanium oxide nanotubes(TiO_(2) NB).The Li_(2)FeTiO_(4) composites synthesized by HTO-NW shows a primary particle size of 50-200 nm of high crystallinity staggered with undissolved nanowire with a diameter size of about 100 nm.The samples using one-dimensio nal nanometer titanium oxide(TiO2 NB)as the raw material can get a super high initial discharge capacity of 367.8 mAh/g at the rate of C/10 and excellent cycling stability.The selection of raw materials and adopting multi-phase modification can be considered as an effective strategy to improve the electro-chemical properties of Li_(2)FeTiO_(4) composite cathode materials for the lithium secondary battery. | Liu Yang Shaohua Luo Yafeng Wang Yang Zhan Qing Wang Yahui Zhang Xin Liu Wenning Mu Fei Teng | 2020 | Chinese Chemical Letters2020，31，12： | 0 |
| 6 | ATOMIC LAYER DEPOSITION HfO_(2)FILM USED AS BUFFER LAYER OF THE Pt/(Bi_(0.95)Nd_(0.05))(Fe_(0.95)Mn_(0.05))O_(3)/HfO_(2)/Si CAPACITORS FOR FeFET APPLICATION显示文摘Neodymium and manganese doped BiFeO_(3)-(Bi_(0.95)Nd_(0.05))(Fe_(0.95)Mn_(0.05))O_(3)(BNFMO)ferro-electric film and HfO_(2)layer with different thickness were fabricated using metal-organic decomposition and atomic layer deposition(ALD)method,respectively.Metal ferroelectric-insulator-semiconductor(MFIS)capacitors with 200 nm thick BNFMO and 5 nm thick HfO_(2)layer on silicon substrate have been prepared and characterized.It is found that there is no distinct interdifusion and reaction occurring at the interface between BNFMO/HfO_(2)and HfO_(2)/Si.The capacitance-voltage(C-V)and leakage current properties of Pt/HfO_(2)/Si capacitors with different HfO_(2)thickness were studied.The MFIS structure showed clockwise C-V hysteresis loops due to the ferroelectric polarization of BNFMO.The maximum memory window is 5 V.The.leakage current of the Pt/BNFMO/HfO_(2)/Si capacitor was about 2.1×10^(-6)A/cm^(2)at an applied voltage of 4V. | DAN XIE TINGTING FENG YAFENG LUO XUEGUANG HAN TIANLING REN MARKUS BOSUND SHUO LI VELI-MATTI AIRAKSINEN HARRI LIPSANEN SEPPO HONKANEN | 2011 | Journal of Advanced Dielectrics2011，1，3： | 0 |
| 7 | Adsorption Site Regulations of[W–O]‑Doped CoP Boosting the Hydrazine Oxidation‑Coupled Hydrogen Evolution at Elevated Current Density显示文摘Hydrazine oxidation reaction(HzOR)assisted hydrogen evolution reaction(HER)offers a feasible path for low power consumption to hydrogen production.Unfortunately however,the total electrooxidation of hydrazine in anode and the dissociation kinetics of water in cathode are critically depend on the interaction between the reaction intermediates and surface of catalysts,which are still challenging due to the totally different catalytic mechanisms.Herein,the[W–O]group with strong adsorption capacity is introduced into CoP nanoflakes to fabricate bifunctional catalyst,which possesses excellent catalytic performances towards both HER(185.60 mV at 1000 mA cm^(−2))and HzOR(78.99 mV at 10,00 mA cm^(−2))with the overall electrolyzer potential of 1.634 V lower than that of the water splitting system at 100 mA cm^(−2).The introduction of[W–O]groups,working as the adsorption sites for H2O dissociation and N2H4 dehydrogenation,leads to the formation of porous structure on CoP nanoflakes and regulates the electronic structure of Co through the linked O in[W–O]group as well,resultantly boosting the hydrogen production and HzOR.Moreover,a proof-of-concept direct hydrazine fuel cell-powered H_(2) production system has been assembled,realizing H_(2)evolution at a rate of 3.53 mmol cm^(−2)h^(−1)at room temperature without external electricity supply. | Ge Meng Ziwei Chang Libo Zhu Chang Chen Yafeng Chen Han Tian Wenshu Luo Wenping Sun Xiangzhi Cui Jianlin Shi | 2023 | Nano-Micro Letters2023，15，11： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员