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| 1 | Enormous enhancement in electrical performance of few-layered MoTe2 due to Schottky barrier reduction induced by ultraviolet ozone treatment显示文摘Doping can improve the band alignment at the metal-semiconductor interface to modify the corresponding Schottky barrier,which is crucial for the realization of high-performance logic components.Here,we systematically investigated a convenient and effective method,ultraviolet ozone treatment,for p-type doping of MoTe2 field-effect transistors to enormously enhance the corresponding electrical performance.The resulted hole concentration and mobility are near 100 times enhanced to be〜1.0×10^13 cm^-2 and 101.4 cm^2/(V·s),respectively,and the conductivity is improved by 5 orders of magnitude.These values are comparable to the highest ones ever obtained via annealing doping or non-lithographic fabrication methods at room temperature.Compared with the pristine one,the photoresponsivity(522 mA/W)is enhanced approximately 100 times.Such excellent performances can be attributed to the sharply reduced Schottky barrier because of the surface charge transfer from MoTe2 to MoOx(x<3),as proved by photoemission spectroscopy.Additionally,the p-doped devices exhibit excellent stability in ambient air.Our findings show significant potential in future nanoelectronic and optoelectronic applications. | Xiaoming Zheng Xueao Zhang Yuehua Wei Jinxin Liu Hang Yang Xiangzhe Zhang Shitan Wang Haipeng Xie Chuyun Deng Yongli Gao Han Huang | 2020 | Nano Research2020，13，4： | 3 |
| 2 | Experimental and theoretical study on the dynamic effective stress of loaded gassy coal during gas release显示文摘In the process of mining coalbed methane(CBM),an unsteady state often arises due to the rapid extraction,release and pressure relief of CBM.In this case,the effective stress of coal changes dynamically,affecting the stability of the gassy coal seam.In this paper,gas release tests of gassy coal under conventional triaxial compression were performed,and the dynamic effective stress(DES)during gas release was obtained indirectly based on a constitutive equation and deformation of coal.The results show that the maximum increases in DES caused by the release of free gas and adsorbed gas under the stress of 1.1 MPa were 0.811 and 5.418 MPa,respectively,which seriously affected the stress state of the coal.During the gas release,the free gas pressure and the adsorbed gas volume were the parameters that directly affected the DES and showed a positive linear relationship with the DES with an intercept of zero.The DES of the coal sample increased exponentially with time,which was determined by the contents of free and adsorbed gas.Based on the experimental results and theoretical analysis,an effective stress model was obtained for loaded gassy coal during gas release.The results of verification indicated accuracy greater than 99%. | Bing Zhang Hanpeng Wang Peng Wang Guofeng Yu Shitan Gu | 2023 | International Journal of Mining Science and Technology2023，33，3： | 2 |
| 3 | Human MDRI and MRPI recognize berberine as their transport substrate 显示文摘 | Shitan N Tanaka M Terai K | 2007 | Biosci Biotechnol Biochem2007，71，1： | 1 |
| 4 | Molecular cloning and characterization of coclaurinen-methyltransferase from cultured cells of Coptis japonica 显示文摘 | Kum-Boo Choi Takashi Morishige Nobukazu Shitan | 2002 | J Biol Chem2002，277，1： | 1 |
| 5 | Establishment of Rhizobium-mediated transformation of Coptis japonica and molecular analyses of transgenic plants 显示文摘 | Shitan N Kiuchi F Sato F | 2005 | Plant Biotechnol2005，22，2： | 1 |
| 6 | Involvement of the leaf-specific multidrug and toxic compound extrusion (MATE)transporter Nt-JAT2 in vacuolar sequestration of nicotine in Nicotiana tabacum显示文摘 | Shitan N Minami S Morita M | 2014 | PLoS One2014，9，10： | 1 |
| 7 | Galactinol synthase gene of Coptisjaponica is involved in berberine tolerance显示文摘 | Takanashi K Shitan N Sugiyama A | 2008 | Bioscience Biotechnology and Biochemistry2008，72，2： | 1 |
| 8 | Vacuolar transport of nicotine is mediated by a multidrug and toxic compound extrusion(MATE) transporter in Nicotiana tabacum显示文摘 | Morita M Shitan N Sawada K | 2009 | Proc Natl Acad Sci USA2009，106，7： | 1 |
| 9 | Genome-wide analysis of ATP-binding cassette (ABC) proteins in a model legume plant, Lotus japonicus: comparison with Arabidopsis ABC protein family 显示文摘 | SUGIYAMA A SHITAN N SATO S | 2006 | DNA Research2006，13，5： | 1 |
| 10 | Characterization of vacuolar transport of the endogenous alkaloid berberine in Coptisjaponica显示文摘 | Otani M Shitan N Sakai K | 2005 | Plant Physiol2005，138，4： | 1 |
| 11 | Molecular cloning and characterization of coclaurine N-methyltransferase from cultured cells of Coptis japonica显示文摘 | Choi KB Morishige T Shitan N | 2002 | J Biol Chem2002，277，： | 1 |
| 12 | HumanMDR1 and MRP1 recognize berberine as their transport substrate显示文摘 | Shitan N Tanaka M Terai K | | 0，，01： | 1 |
| 13 | Characterization of berbcrine transport into Coptis japonica cells and the involvement of ABC protein显示文摘 | Sakai K Shitan N Sato F | 2002 | J Exp Bot2002，53，： | 1 |
| 14 | Vacuolar transport of nico- tine is mediated by a multidrug and toxic compound extrusion (MATE)transporter in Nicotiana tabacum 显示文摘 | Morita M Shitan N Sawada K | 2009 | Proc Natl Acad Sci USA2009，106，7： | 1 |
| 15 | Secondary transport as an efficient membrane transport mechanism for plant secondary metabolites显示文摘 | Kazufumi Yazaki Akifumi Sugiyama Masahiko Morita Nobukazu Shitan | 2008 | Phytochemistry Reviews2008，，3： | 1 |
| 16 | Genome wide analysis of ATP-binding cassette(ABC)proteins in a model legume plant,Lotus japonicus:comparison with Arabidopsis ABC protein family显示文摘 | Akifumi Sugiyama Nobukazu Shitan Shusei Sato | 2006 | DNA Res2006，13，5： | 1 |
| 17 | Human MDR1 and MRP1 recognize berberine as their transport substrate 显示文摘 | Shitan N Tanaka M Terai K | 2007 | Biosci Biotechnol Biochem2007，71，1： | 1 |
| 18 | Involvement of theleaf-spe- cific multidrug and toxic compound extrusion(MATE) transporter Nt-JAT2 in vacuolar sequestration of nicotine in Nicotiana taba- cure 显示文摘 | Shitan N Minami S Morita M | 2014 | PLoS ONE2014，9，10： | 1 |
| 19 | Molecular cloning and characterization of coclaurine N-methyltransferase from cultured cells of Coptis japonica显示文摘 | ChoiKB Morishige T Shitan N | 2002 | J Biol Chem2002，277，1： | 1 |
| 20 | Human MDR1 and MRP1 recognize berberine as their transport substrate显示文摘 | SHITAN N TANAKA M TERAI K | 2007 | Biosci Biotechnol Biochem2007，71，1： | 1 |
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