Deposition of Superconducting Thin Films on Amorphous       and Artificially-Structured Substrates
{'Code': '07030000', 'Directorate': {'Abbreviation': 'ENG', 'LongName': 'Directorate For Engineering'}, 'Division': {'Abbreviation': 'CMMI', 'LongName': 'Div Of Civil, Mechanical, & Manufact Inn'}}
{'SignBlockName': 'Dianne McCormick', 'PO_EMAI': None, 'PO_PHON': None}
The goal of this project is to deposit, on amorphous or                         polycrystalline substrates, thin films of high Tc, rare earth-                  barium-copper-oxygen superconductors with critical current densities            exceeding 1*106 A/cm2 at 77k.  This capability would permit the                 direct replacement of integrated circuit interconnects with                     superconductors.  The  present limits in critical current density for           polycrystalline superconducting films (typically 103                            A/cm2) are associated with Josephson junctions at grain boundaries.             In an effort to overcome this limitation, this project is aimed at              controlling crystalline orientation and quality without invoking                epitaxial growth.  The potential of two quite different techniques              will be evaluated.  In the first approach, the ability of reactive              ion beam assisted deposition to control oxygen content and crystal              orientation of films will be explored.  In the second, the                      possibility of "grapho-epitaxy", where the film is oriented with                respect to an artificially structured substrate, will be                        explored.
[{'FirstName': 'Richard', 'LastName': 'Pollard', 'PI_MID_INIT': None, 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Richard Pollard', 'EmailAddress': None, 'NSF_ID': '000436251', 'StartDate': '09/01/1987', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}, {'FirstName': 'John', 'LastName': 'Wolfe', 'PI_MID_INIT': 'C', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'John C Wolfe', 'EmailAddress': 'wolfe@uh.edu', 'NSF_ID': '000162498', 'StartDate': '09/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}, {'FirstName': 'L.', 'LastName': 'Trombetta', 'PI_MID_INIT': 'P', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'L. P Trombetta', 'EmailAddress': 'Ltrombetta@uh.edu', 'NSF_ID': '000196194', 'StartDate': '09/01/1987', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}, {'FirstName': 'Demetre', 'LastName': 'Economou', 'PI_MID_INIT': 'J', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Demetre J Economou', 'EmailAddress': 'economou@uh.edu', 'NSF_ID': '000311005', 'StartDate': '09/01/1987', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}]
{'Name': 'University of Houston', 'CityName': 'HOUSTON', 'ZipCode': '772043067', 'PhoneNumber': '7137435773', 'StreetAddress': '4300 MARTIN LUTHER KING BLVD', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Texas', 'StateCode': 'TX', 'CONGRESSDISTRICT': '18', 'CONGRESS_DISTRICT_ORG': 'TX18', 'ORG_UEI_NUM': 'QKWEF8XLMTT3', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF HOUSTON SYSTEM', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '144600', 'Text': 'MATERIALS'}
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