985 resultados para J.P. Morgan


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p-n7515%

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Highly oriented voids-free 3C-SiC heteroepitaxial layers are grown on 50mm Si (100) substrates by low pressure chemical vapor deposition (LPCVD). The initial stage of carbonization and the surface morphology of carbonization layers of Si(100) are studied using reflection high energy electron diffraction (RHEED) and scanning electron microscopy (SEM). It is shown that the optimized carbonization temperature for the growth of voids-free 3S-SiC on Si (100) substrates is 1100 . The electrical properties of SiC layers are characterized using Van der Pauw method. The I-V, C-V, and the temperature dependence of I-V characteristics in n-3C-SiC-p-Si heterojunctions with AuGeNi and Al electrical pads are investigated. It is shown that the maximum reverse breakdown voltage of the n-3C-SiC-p-Si heterojunction diodes reaches to 220V at room temperature. These results indicate that the SiC/Si heterojunction diode can be used to fabricate the wide bandgap emitter SiC/Si heterojunction bipolar transistors (HBT's).

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ITO(In_2O_3:Sn)InZn-OITOZnO/n-Si6.9%8.5%ITO12%15%PBZnOPBZn-OPBZnXPB

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GaP:NLED,,n~--n,n~-,p~+-n~-n,

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H_2SiH_4PH_3p(100)C(p)c-Si)C(n)nc-Si:H),(n)nc-Si;H/(p)c-Si230-420KI-V(n)nc-Si:H/(p)c-SiV_F<0.8VV_F>1.0V

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p-Si(100)ZnOXRDZnOcXRCZnOPL

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2010-11-23

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MOVPEPGaNAl0.13 Ga0.87NPInGaN/AlGaN

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2010-11-23

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XSi_(1-x)Ge/Sip-i-nSiGeSi-Ge750-850

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GaAs(Al_xGa_(1-x))_(0.51)In_(0.49)P05-2.5mGaInP/AlGaInP

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n-i-p-iGaAsGeSi

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XAES()RFPt-Ni/p-InP(100)PtNiInPInP310~(-6)cm~2