Published September 15, 2008 | Version v1
Journal article Metadata-only

A research for controlling nanorod diameter in BaNb2O6 doped REBa2Cu3O7-δ films

Creators

  • 1. Department of Material Science and Engineering, Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Fukuoka 819-0395 (Japan)
  • 2. CREST JST, 4-1-8 Honmachi, Kawaguchi, Saitama 332-0012 (Japan)
  • 3. University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
  • 4. Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8651 (Japan)
  • 5. Central Research Institute of Electric Power Industry, Nagasaka 2-6-1, Yokosuka, Kanagawa 240-0196 (Japan)
  • 6. Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603 (Japan)
  • 7. Kyushu Institute of Technology, 1-1 Sensuimachi, Tobata-ku, Kitakyushu, Fukuoka 804-8550 (Japan)

Description

Critical current density (JC) of REBa2Cu3O7-δ (REBCO) films deteriorates in a magnetic field. One of the methods to solve the JC deterioration is to introduce artificial pinning centers (APCs) such as nanorods into the REBCO films. When many nanorods with a small diameter grew up than less rods with large diameter in REBCO films, the nanorod are considered to act as APCs. Therefore, we focused on controlling the rod diameter in order to realize the higher number density of nanorods in REBCO films. BaNb2O6 (BNO) was introduced in ErBCO films. In order to decrease the diameter of nanorods, we think it is necessary to control migration length of Nb atoms at the film surface of the ErBCO. As a result, it was observed in TEM image that diameter of nanorods was changed by varying substrate temperature and decreased with decreasing the substrate temperature

Availability note (English)

Available from http://dx.doi.org/10.1016/j.physc.2008.05.102

Additional details

Identifiers

DOI
10.1016/j.physc.2008.05.102;
PII
S0921-4534(08)00387-0;

Publishing Information

Journal Title
Physica. C, Superconductivity
Journal Volume
468
Journal Issue
15-20
Journal Page Range
p. 1861-1863
ISSN
0921-4534
CODEN
PHYCE6

Conference

Title
20. international symposium on superconductivity
Acronym
ISS 2007
Dates
5-7 Nov 2007
Place
Tsukuba (Japan)

INIS

Country of Publication
Netherlands
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
40041877
Subject category
S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BARIUM COMPOUNDS; COPPER COMPOUNDS; CRITICAL CURRENT; CURRENT DENSITY; DENSITY; DOPED MATERIALS; IMPURITIES; MAGNETIC FIELDS; MIGRATION LENGTH; NANOSTRUCTURES; NIOBIUM COMPOUNDS; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; SUBSTRATES; SUPERCONDUCTING FILMS; SURFACES; TRANSMISSION ELECTRON MICROSCOPY
Descriptors DEC
ALKALINE EARTH METAL COMPOUNDS; CURRENTS; DIMENSIONS; ELECTRIC CURRENTS; ELECTRON MICROSCOPY; FILMS; LENGTH; MATERIALS; MICROSCOPY; PHYSICAL PROPERTIES; REFRACTORY METAL COMPOUNDS; TRANSITION ELEMENT COMPOUNDS

Optional Information

Copyright
Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.