Result: TmBa2Cu3O7-x superconducting thin films grown by pulsed laser deposition
Department of Physics, Pusan National University, Pusan, Korea, Republic of
Department of Materials Science & Engineering, Seoul National University, Seoul, Korea, Republic of
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Electronics
Further Information
TmBa2Cu3O7-x films which is one of the (Rare earth)Ba2Cu3O7-x high temperature superconductors with small ionic radius of rare earth element, were deposited on STO (100) single crystal substrates and Y2O3/YSZ/CeO2 buffered metal substrates by pulsed laser deposition. The Jc (77 K) and the value of onset Tc of TmBCO thin film on STO substrate was 4.5 MA/cm2 and 86 K, respectively. The Jc of TmBCO coated conductor on metal substrate was 1 MA/cm2. In-field property measurement was carried out at temperatures between 10 K and 77 K in magnetic filed up to 6 T in PPMS system. This is the first report, to the best of our knowledge, of TmBCO thin films and coated conductors with TmBCO film as the superconducting layer which have critical current densities at 77 K of 4.5 MA/cm2 and 1 MA/cm2, respectively. The superconducting properties of TmBCO films and the possibility of using TmBCO film as the superconducting layer of the HTS coated conductor, were investigated.