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Title: Ultrahigh vacuum process for the deposition of nanotubes and nanowires

Patent ·
OSTI ID:1169107

A system and method A method of growing an elongate nanoelement from a growth surface includes: a) cleaning a growth surface on a base element; b) providing an ultrahigh vacuum reaction environment over the cleaned growth surface; c) generating a reactive gas of an atomic material to be used in forming the nanoelement; d) projecting a stream of the reactive gas at the growth surface within the reactive environment while maintaining a vacuum of at most 1.times.10.sup.-4 Pascal; e) growing the elongate nanoelement from the growth surface within the environment while maintaining the pressure of step c); f) after a desired length of nanoelement is attained within the environment, stopping direction of reactive gas into the environment; and g) returning the environment to an ultrahigh vacuum condition.

Research Organization:
The Board of Regents of the Nevada System of Higher Education on behalf of the University of Nevada, Las Vegas University of Nevada, Las Vegas, NV (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC52-05NA26999
Assignee:
The Board of Regents of the Nevada System of Higher Education on behalf of the University of Nevada, Las Vegas University of Nevada (Las Vegas, NV)
Patent Number(s):
8,945,304
Application Number:
12/228,529
OSTI ID:
1169107
Country of Publication:
United States
Language:
English

References (5)

Chemical vapor deposition of transistion metals patent February 1991
Nanowires, nanostructures and devices fabricated therefrom patent April 2005
Nanostructures And Methods For Manufacturing The Same patent-application April 2004
Nanostructures synthesized using anodic aluminum oxide patent-application December 2006
Spinodally Patterned Nanostructures patent-application October 2008

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