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Title: Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films

Here, superconducting thin films have a wide range of dc and RF applications, from detectors to superconducting radio frequency. Amongst the most used materials, niobium (Nb) has the highest critical temperature (TC) and highest lower critical field (HC1) of the elemental superconductors and can be deposited on a variety of substrates, making Nb thin films very appealing for such applications. Here, we present temperature-dependent dc studies on the critical temperature and critical fields of Nb thin films grown on copper and r-plane sapphire surfaces. Additionally, we correlate the dc superconducting properties of these films with their microstructure, which allows for the possibility of tailoring future films for a specific application.
Authors:
ORCiD logo [1] ;  [2] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [2] ;  [1]
  1. College of William and Mary, Williamsburg, VA (United States)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
Report Number(s):
JLAB-ACC-16-2453; DOE/OR/23177-4309
Journal ID: ISSN 1051-8223; TRN: US1800875
Grant/Contract Number:
HDTRA1-10-1-0072, AC05-06OR23177
Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Applied Superconductivity
Additional Journal Information:
Journal Volume: 27; Journal Issue: 4; Journal ID: ISSN 1051-8223
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Niobium (Nb); superconducting accelerator cavities; superconducting detectors; superconducting films
OSTI Identifier:
1415988

Beebe, Melissa R., Valente-Feliciano, Anne -Marie, Beringer, Douglas B., Creeden, Jason A., Madaras, Scott E., Li, Zhaozhu, Yang, Kaida, Phillips, Larry, Reece, Charles E., and Lukaszew, Rosa Alejandra. Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films. United States: N. p., Web. doi:10.1109/TASC.2016.2632420.
Beebe, Melissa R., Valente-Feliciano, Anne -Marie, Beringer, Douglas B., Creeden, Jason A., Madaras, Scott E., Li, Zhaozhu, Yang, Kaida, Phillips, Larry, Reece, Charles E., & Lukaszew, Rosa Alejandra. Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films. United States. doi:10.1109/TASC.2016.2632420.
Beebe, Melissa R., Valente-Feliciano, Anne -Marie, Beringer, Douglas B., Creeden, Jason A., Madaras, Scott E., Li, Zhaozhu, Yang, Kaida, Phillips, Larry, Reece, Charles E., and Lukaszew, Rosa Alejandra. 2016. "Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films". United States. doi:10.1109/TASC.2016.2632420. https://www.osti.gov/servlets/purl/1415988.
@article{osti_1415988,
title = {Temperature and Microstructural Effects on the Superconducting Properties of Niobium Thin Films},
author = {Beebe, Melissa R. and Valente-Feliciano, Anne -Marie and Beringer, Douglas B. and Creeden, Jason A. and Madaras, Scott E. and Li, Zhaozhu and Yang, Kaida and Phillips, Larry and Reece, Charles E. and Lukaszew, Rosa Alejandra},
abstractNote = {Here, superconducting thin films have a wide range of dc and RF applications, from detectors to superconducting radio frequency. Amongst the most used materials, niobium (Nb) has the highest critical temperature (TC) and highest lower critical field (HC1) of the elemental superconductors and can be deposited on a variety of substrates, making Nb thin films very appealing for such applications. Here, we present temperature-dependent dc studies on the critical temperature and critical fields of Nb thin films grown on copper and r-plane sapphire surfaces. Additionally, we correlate the dc superconducting properties of these films with their microstructure, which allows for the possibility of tailoring future films for a specific application.},
doi = {10.1109/TASC.2016.2632420},
journal = {IEEE Transactions on Applied Superconductivity},
number = 4,
volume = 27,
place = {United States},
year = {2016},
month = {11}
}