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Title: Method and apparatus for enhancing vortex pinning by conformal crystal arrays

Abstract

Disclosed is a method and apparatus for strongly enhancing vortex pinning by conformal crystal arrays. The conformal crystal array is constructed by a conformal transformation of a hexagonal lattice, producing a non-uniform structure with a gradient where the local six-fold coordination of the pinning sites is preserved, and with an arching effect. The conformal pinning arrays produce significantly enhanced vortex pinning over a much wider range of field than that found for other vortex pinning geometries with an equivalent number of vortex pinning sites, such as random, square, and triangular.

Inventors:
; ; ;
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1193298
Patent Number(s):
9,082,923
Application Number:
14/201,131
Assignee:
University of Notre Dame du Lac (Notre Dame, IN)
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Mar 07
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE

Citation Formats

Janko, Boldizsar, Reichhardt, Cynthia, Reichhardt, Charles, and Ray, Dipanjan. Method and apparatus for enhancing vortex pinning by conformal crystal arrays. United States: N. p., 2015. Web.
Janko, Boldizsar, Reichhardt, Cynthia, Reichhardt, Charles, & Ray, Dipanjan. Method and apparatus for enhancing vortex pinning by conformal crystal arrays. United States.
Janko, Boldizsar, Reichhardt, Cynthia, Reichhardt, Charles, and Ray, Dipanjan. Tue . "Method and apparatus for enhancing vortex pinning by conformal crystal arrays". United States. https://www.osti.gov/servlets/purl/1193298.
@article{osti_1193298,
title = {Method and apparatus for enhancing vortex pinning by conformal crystal arrays},
author = {Janko, Boldizsar and Reichhardt, Cynthia and Reichhardt, Charles and Ray, Dipanjan},
abstractNote = {Disclosed is a method and apparatus for strongly enhancing vortex pinning by conformal crystal arrays. The conformal crystal array is constructed by a conformal transformation of a hexagonal lattice, producing a non-uniform structure with a gradient where the local six-fold coordination of the pinning sites is preserved, and with an arching effect. The conformal pinning arrays produce significantly enhanced vortex pinning over a much wider range of field than that found for other vortex pinning geometries with an equivalent number of vortex pinning sites, such as random, square, and triangular.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {7}
}

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Works referenced in this record:

Effect of the vortex core on the magnetic field in hard superconductors
journal, May 1997


Transport current carrying superconducting film with periodic pinning array under strong magnetic fields
journal, February 2011