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    • 51. 发明申请
    • THICK POROUS ANODIC ALUMINA FILMS AND NANOWIRE ARRAYS GROWN ON A SOLID SUBSTRATE
    • 厚多孔阳极氧化铝膜和固体基底上的纳米阵列
    • US20070224399A1
    • 2007-09-27
    • US10303653
    • 2002-11-25
    • Oded RabinPaul HerzMildred DresselhausAkintunde AkinwandeYu-Ming Lin
    • Oded RabinPaul HerzMildred DresselhausAkintunde AkinwandeYu-Ming Lin
    • B32B3/00
    • C23C14/024B82Y30/00C23C14/16C23C14/5873C30B7/00C30B7/005C30B29/605H01L35/32H01L35/34Y10T156/10Y10T428/12486Y10T428/1259Y10T428/24273Y10T428/24322Y10T428/24917
    • The presently disclosed invention provides for the fabrication of porous anodic alumina (PAA) films on a wide variety of substrates. The substrate comprises a wafer layer and may further include an adhesion layer deposited on the wafer layer. An anodic alumina template is formed on the substrate. When a rigid substrate such as Si is used, the resulting anodic alumina film is more tractable, easily grown on extensive areas in a uniform manner, and manipulated without danger of cracking. The substrate can be manipulated to obtain free-standing alumina templates of high optical quality and substantially flat surfaces PAA films can also be grown this way on patterned and non-planar surfaces. Furthermore, under certain conditions the resulting PAA is missing the barrier layer (partially or completely) and the bottom of the pores can be readily accessed electrically. The resultant film can be used as a template for forming an array of nanowires wherein the nanowires are deposited electrochemically into the pores of the template. By patterning the electrically conducting adhesion layer, pores in different areas of the template can be addressed independently, and can be filled electrochemically by different materials. Single-stage and multi-stage nanowire-based thermoelectric devices, consisting of both n-type and p-type nanowires, can be assembled on a silicon substrate by this method
    • 目前公开的发明提供了在各种基底上制造多孔阳极氧化铝(PAA)膜。 衬底包括晶片层,并且还可以包括沉积在晶片层上的粘附层。 在基板上形成阳极氧化铝模板。 当使用诸如Si的刚性基材时,所得的阳极氧化铝膜更易于处理,容易在均匀的方式在广泛的区域生长,并且操作而没有开裂的危险。 可以操作基底以获得高光学质量的自立式氧化铝模板和基本平坦的表面。也可以在图案化和非平面表面上生长PAA膜。 此外,在某些条件下,所得PAA缺少阻挡层(部分或完全),并且孔的底部可以容易地电接触。 所得膜可以用作形成纳米线阵列的模板,其中纳米线电化学沉积到模板的孔中。 通过图案化导电粘合层,可以独立地解决模板的不同区域中的孔,并且可以通过不同的材料电化学填充。 由n型和p型纳米线组成的单级和多级纳米线型热电装置可以通过这种方法组装在硅衬底上
    • 59. 发明授权
    • Graphene transistor with a self-aligned gate
    • 具有自对准栅极的石墨烯晶体管
    • US08344358B2
    • 2013-01-01
    • US12876454
    • 2010-09-07
    • Phaedon AvourisDamon B. FarmerYu-Ming LinYu Zhu
    • Phaedon AvourisDamon B. FarmerYu-Ming LinYu Zhu
    • H01L29/76
    • H01L29/1606H01L29/41733H01L29/42384H01L29/4908H01L29/66742H01L29/778H01L29/78684
    • A graphene-based field effect transistor includes source and drain electrodes that are self-aligned to a gate electrode. A stack of a seed layer and a dielectric metal oxide layer is deposited over a patterned graphene layer. A conductive material stack of a first metal portion and a second metal portion is formed above the dielectric metal oxide layer. The first metal portion is laterally etched employing the second metal portion, and exposed portions of the dielectric metal oxide layer are removed to form a gate structure in which the second metal portion overhangs the first metal portion. The seed layer is removed and the overhang is employed to shadow proximal regions around the gate structure during a directional deposition process to form source and drain electrodes that are self-aligned and minimally laterally spaced from edges of the gate electrode.
    • 基于石墨烯的场效应晶体管包括与栅电极自对准的源极和漏极。 在图案化的石墨烯层上沉积种子层和电介质金属氧化物层的堆叠。 第一金属部分和第二金属部分的导电材料堆叠形成在电介质金属氧化物层的上方。 使用第二金属部分横向蚀刻第一金属部分,去除电介质金属氧化物层的暴露部分以形成其中第二金属部分悬垂在第一金属部分上的栅极结构。 移除晶种层并且在定向沉积工艺期间使用突出部来遮蔽栅极结构周围的近端区域,以形成与栅电极的边缘自对准且最小程度地横向间隔的源电极和漏电极。
    • 60. 发明申请
    • METAL-FREE INTEGRATED CIRCUITS COMPRISING GRAPHENE AND CARBON NANOTUBES
    • 包含石墨和碳纳米管的无金属集成电路
    • US20120326129A1
    • 2012-12-27
    • US13604254
    • 2012-09-05
    • Yu-Ming LinJeng-Bang Yau
    • Yu-Ming LinJeng-Bang Yau
    • H01L29/78
    • H01L29/1606B82Y10/00H01L27/124H01L29/0665H01L29/45H01L29/4908H01L29/66742H01L29/7781H01L29/78618H01L29/78684
    • An integrated circuit includes a graphene layer, the graphene layer comprising a region of undoped graphene, the undoped graphene comprising a channel of a transistor, and a region of doped graphene, the doped graphene comprising a contact of the transistor; and a gate of the transistor, the gate comprising a carbon nanotube film. A method of fabricating an integrated circuit comprising graphene and carbon nanotubes, includes forming a graphene layer; doping a portion of the graphene layer, resulting in doped graphene and undoped graphene; forming a carbon nanotube film; and etching the carbon nanotube film to form a gate of a transistor, wherein the transistor further comprises a channel comprising the undoped graphene and a contact comprising the doped graphene. A transistor includes a gate, the gate comprising a carbon nanotube film; a channel, the channel comprising undoped graphene; and a contact, the contact comprising doped graphene.
    • 集成电路包括石墨烯层,所述石墨烯层包括未掺杂的石墨烯的区域,所述未掺杂的石墨烯包括晶体管的沟道和掺杂的石墨烯的区域,所述掺杂的石墨烯包括所述晶体管的接触; 和晶体管的栅极,所述栅极包括碳纳米管膜。 一种制造包括石墨烯和碳纳米管的集成电路的方法,包括形成石墨烯层; 掺杂一部分石墨烯层,导致掺杂的石墨烯和未掺杂的石墨烯; 形成碳纳米管膜; 以及蚀刻所述碳纳米管膜以形成晶体管的栅极,其中所述晶体管还包括包含所述未掺杂的石墨烯的沟道和包含所述掺杂石墨烯的接触。 晶体管包括栅极,栅极包括碳纳米管膜; 通道,通道包括未掺杂的石墨烯; 和触点,所述触点包括掺杂的石墨烯。