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    • 94. 发明授权
    • Method of fabricating a semiconductor structure having quantum wires and a semiconductor device including such structure
    • 制造具有量子线的半导体结构的方法和包括这种结构的半导体器件
    • US06696372B2
    • 2004-02-24
    • US10014257
    • 2001-12-07
    • Benzhong WangSoo Jin Chua
    • Benzhong WangSoo Jin Chua
    • H01L2100
    • B82Y20/00B82Y10/00C30B23/002C30B23/02C30B25/02C30B29/605H01L21/02395H01L21/0243H01L21/02433H01L21/02463H01L21/02507H01L21/02513H01L21/02546H01L21/0259H01L21/0262H01L29/125H01L33/06H01S5/3203H01S5/3403H01S5/341
    • A method for the production of a semiconductor structure having self-organized quantum wires is described. The process includes the formation of multi-atomic steps on a (001) oriented semiconductor substrate inclined at an angle toward the [110] direction. Quantum wires are then spontaneously formed in situ along edges of the multi-atomic steps during epitaxial growth of a semiconductor with a larger or smaller lattice constant than the substrate but with a band gap narrower than that of the underlying material. Further deposition of a layer of semiconductor with a lattice constant within 1% of the substrate but with a band gap wider than that of the wire material then buries the quantum wires between this layer and the substrate layers. These layers are free of defects. Crystal and energy level structures of the quantum wire such as linear density, lateral and vertical dimension, and emission wavelength of photoluminescence can be easily controlled by selecting the angle of inclination of the substrate, lattice mismatch and different combinations of materials. A semiconductor laser with the active layer comprising quantum wires made by this method is also disclosed.
    • 描述了一种制造具有自组织量子线的半导体结构的方法。 该方法包括在朝向[110]方向倾斜的(001)取向的半导体衬底上形成多原子台阶。 然后,在具有比衬底更大或更小的晶格常数的半导体的外延生长中,但是具有比下面的材料窄的带隙的带隙,在多原子步骤的边缘上原位自发形成量子线。 晶格常数在衬底的1%内但具有比线材宽的带隙的半导体层的进一步沉积然后将量子线埋在该层和衬底层之间。 这些层没有缺陷。 量子线的晶体和能级结构如线密度,横向和垂直尺寸以及光致发光的发射波长可以通过选择衬底的倾斜角度,晶格失配和材料的不同组合来容易地控制。 还公开了一种具有由该方法制成的量子线的有源层的半导体激光器。
    • 98. 发明申请
    • Method of fabricating a semiconductor structure having quantum wires and a seminconductor device including such structure
    • 制造具有量子线的半导体结构的方法和包括这种结构的半导体器件
    • US20020119680A1
    • 2002-08-29
    • US10014257
    • 2001-12-07
    • Benzhong WangSoo Jin Chua
    • H01L023/58
    • B82Y20/00B82Y10/00C30B23/002C30B23/02C30B25/02C30B29/605H01L21/02395H01L21/0243H01L21/02433H01L21/02463H01L21/02507H01L21/02513H01L21/02546H01L21/0259H01L21/0262H01L29/125H01L33/06H01S5/3203H01S5/3403H01S5/341
    • A method for the production of a semiconductor structure having self-organized quantum wires is described. The process includes the formation of multi-atomic steps on a (001) oriented semiconductor substrate inclined at an angle toward the null110null direction. Quantum wires are then spontaneously formed in situ along edges of the multi-atomic steps during epitaxial growth of a semiconductor with a larger or smaller lattice constant than the substrate but with a band gap narrower than that of the underlying material. Further deposition of a layer of semiconductor with a lattice constant within 1% of the substrate but with a band gap wider than that of the wire material then buries the quantum wires between this layer and the substrate layers. These layers are free of defects. Crystal and energy level structures of the quantum wire such as linear density, lateral and vertical dimension, and emission wavelength of photoluminescence can be easily controlled by selecting the angle of inclination of the substrate, lattice mismatch and different combinations of materials. A semiconductor laser with the active layer comprising quantum wires made by this method is also disclosed.
    • 描述了一种制造具有自组织量子线的半导体结构的方法。 该方法包括在朝向[110]方向倾斜的(001)取向的半导体衬底上形成多原子台阶。 然后,在具有比衬底更大或更小的晶格常数的半导体的外延生长中,但是具有比下面的材料窄的带隙的带隙,在多原子步骤的边缘上原位自发形成量子线。 晶格常数在衬底的1%内但具有比线材宽的带隙的半导体层的进一步沉积然后将量子线埋在该层和衬底层之间。 这些层没有缺陷。 量子线的晶体和能级结构如线密度,横向和垂直尺寸以及光致发光的发射波长可以通过选择衬底的倾斜角度,晶格失配和材料的不同组合来容易地控制。 还公开了一种具有由该方法制成的量子线的有源层的半导体激光器。