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Rice is the most important staple food crop, and it feeds more than half of the world population. Brown planthopper (BPH) is a major insect pest of rice that causes 20–80% yield loss through direct and indirect damage. The identification and use of BPH resistance genes can efficiently manage BPH. A molecular marker-based genetic analysis of BPH resistance was carried out using 101 BC1F5 mapping population...
Multilevel high-resistance states are achieved in TiN/HfOx/Pt resistive switching random access memory device by controlling the reset stop voltage. Impedance spectroscopy is used to study the multilevel high-resistance states. It is shown that the high-resistance states can be described with an equivalent circuit consisting of the major components $R_{s}$ , $R$ , and $C$ corresponding to the...
Tobacco bacterial wilt (TBW) is one of the most serious tobacco diseases in the world. Studies have shown that tobacco resistance to TBW is quantitatively inherited. This study aimed to map quantitative trait loci (QTL) conferring TBW resistance. An F2 : 3 population containing 237 lines was developed from a cross between two flue‐cured tobacco cultivars, ‘Yanyan 97’ (YY97; moderately resistant to...
Till now, quantized Hall devices distributed by the BIPM are used in NIM's quantized Hall resistance standard. In this paper, we report the preliminary results of quantized Hall devices with GaAs-AlGaAs heterostructures fabricated by ourselves. The device is with AuGeNi contacts for reliability consideration, but the contacts are with relatively large resistances for layer contents and annealing condition...
Ohmic contacts to 2DEG are crucial in quantized Hall resistance device fabrication. Magnetic property of the commonly used Au/Ge/Ni recipe for ohmic contact to 2DEG in a GaAs/AlGaAs heterostructure is studied in this summary paper.
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