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    • 5. 发明授权
    • Dopant material, dopant material manufacturing method, and semiconductor device using the same
    • 掺杂剂材料,掺杂剂材料制造方法和使用其的半导体器件
    • US07687801B2
    • 2010-03-30
    • US11325547
    • 2006-01-05
    • Hidefumi HiuraTetsuya TadaToshihiko Kanayama
    • Hidefumi HiuraTetsuya TadaToshihiko Kanayama
    • H01L35/24
    • H01L51/002B82Y10/00C01B25/42H01L51/0048
    • It is to provide a thermodynamically and chemically stable dopant material which can achieve controls of the pn conduction types, carrier density, and threshold value of gate voltage, and a manufacturing method thereof. Further, it is to provide an actually operable semiconductor device such as a transistor with an excellent high-speed operability and high-integration characteristic. Provided is a dopant material obtained by depositing, on a carbon nanotube, a donor with a smaller ionization potential than an intrinsic work function of the carbon nanotube or an acceptor with a larger electron affinity than the intrinsic work function of the carbon nanotube. The ionization potential of the donor in vacuum is desired to be 6.4 eV or less, and the electron affinity of the acceptor in vacuum to be 2.3 eV or more.
    • 提供一种能够实现pn导电类型,载流子浓度和栅极电压阈值的控制的热力学和化学稳定的掺杂剂材料及其制造方法。 此外,提供具有优异的高速可操作性和高集成度特性的诸如晶体管的实际可操作的半导体器件。 提供了通过在碳纳米管上沉积具有比碳纳米管的固有功函数更小的电子给电子或具有比碳纳米管的固有功函数更大的电子亲和力的受主的给体获得的掺杂剂材料。 供体在真空中的电离电位希望为6.4eV或更低,并且受体在真空中的电子亲和力为2.3eV以上。