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Title: Characterization of NbN films for superconducting nanowire single photon detectors

Abstract

Nanoscopic superconducting meander patterns offer great promise as a new class of cryogenic radiation sensors capable of single photon detection. To realize this potential, control of the superconducting properties on the nanoscale is imperative. To this end, Superconducting Nanowire Single Photon Detectors (SNSPDs) are under development by means Energetic Neutral Atom Beam Lithography and Epitaxy, or ENABLE. ENABLE can growth highly-crystalline, epitaxial thin-film materials, like NbN, at low temperatures; such wide-ranging control of fabrication parameters is enabling the optimization of film properties for single photon detection. T{sub c}, H{sub c2}, {zeta}{sub GL} and J{sub c} of multiple thin films and devices have been studied as a function of growth conditions. The optimization of which has already produced devices with properties rivaling all reports in the existing literature.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Los Alamos National Laboratory
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1047137
Report Number(s):
LA-UR-11-00337; LA-UR-11-337
TRN: US201215%%771
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Journal Article
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ATOMS; CRYOGENICS; DETECTION; EPITAXY; FABRICATION; OPTIMIZATION; PHOTONS; RADIATIONS; SENSORS; THIN FILMS

Citation Formats

Mcdonald, Ross D, Ayala - Valenzuela, Oscar E, Weisse - Bernstein, Nina R, Williamson, Todd L, Hoffbauer, M A, Graf, M J, and Rabin, M W. Characterization of NbN films for superconducting nanowire single photon detectors. United States: N. p., 2011. Web.
Mcdonald, Ross D, Ayala - Valenzuela, Oscar E, Weisse - Bernstein, Nina R, Williamson, Todd L, Hoffbauer, M A, Graf, M J, & Rabin, M W. Characterization of NbN films for superconducting nanowire single photon detectors. United States.
Mcdonald, Ross D, Ayala - Valenzuela, Oscar E, Weisse - Bernstein, Nina R, Williamson, Todd L, Hoffbauer, M A, Graf, M J, and Rabin, M W. Fri . "Characterization of NbN films for superconducting nanowire single photon detectors". United States. https://www.osti.gov/servlets/purl/1047137.
@article{osti_1047137,
title = {Characterization of NbN films for superconducting nanowire single photon detectors},
author = {Mcdonald, Ross D and Ayala - Valenzuela, Oscar E and Weisse - Bernstein, Nina R and Williamson, Todd L and Hoffbauer, M A and Graf, M J and Rabin, M W},
abstractNote = {Nanoscopic superconducting meander patterns offer great promise as a new class of cryogenic radiation sensors capable of single photon detection. To realize this potential, control of the superconducting properties on the nanoscale is imperative. To this end, Superconducting Nanowire Single Photon Detectors (SNSPDs) are under development by means Energetic Neutral Atom Beam Lithography and Epitaxy, or ENABLE. ENABLE can growth highly-crystalline, epitaxial thin-film materials, like NbN, at low temperatures; such wide-ranging control of fabrication parameters is enabling the optimization of film properties for single photon detection. T{sub c}, H{sub c2}, {zeta}{sub GL} and J{sub c} of multiple thin films and devices have been studied as a function of growth conditions. The optimization of which has already produced devices with properties rivaling all reports in the existing literature.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {1}
}