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Chapter and Conference Paper
Microwave Absorption Study on YBa2Cu3Oy/MgO at Low Magnetic Fields
Non-resonant microwave absorption (NRMA) studies have been done for YBa2Cu3Oy film (≃800Å) fabricated on MgO (100) substrate. NRMA signals, either from film surface or interface, were separately observed below Tc...
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Chapter and Conference Paper
Observation of Early Stages of YBCO Films Grown on MgO(100) Step Substrates
We have investigated the early stages of YBa2Cu3O7-x (YBCO) films grown by sputtering onto step substrates with different terrace width and step height. It was found that the transition film thickness from two di...
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Chapter and Conference Paper
Scanning Tunneling Microscopic Studies of YBCO Films Grown by Off-axis Sputtering
The surface morphologies of YBa2Cu3O7−x thin films grown on MgO by off-axis magnetron sputtering have been observed by scanning tunneling microscopy(STM). Films grown at lower substrate temperature than 650°C sho...
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Chapter and Conference Paper
Electrochemical Growth of Bi-Sr-Ca-Cu-O Films on Ag Substrates by Sequential Deposition
Bi-Sr-Ca-Cu-O superconducting films have been grown on Ag substrates by electrochemical sequential deposition and heat treatment. All constitutional metals were deposited onto Ag substrates in the order of “Cu...
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Chapter and Conference Paper
Dependence of the Inductance Characteristics of Bi System on the External Magnetic Field
We made the experiment on the samples, each of which is with two coils wound tightly on a bar type core of the superconductor, Bi system, and examined them on self-inductance, mutual-inductance, coupling coeff...
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Chapter and Conference Paper
Effects of Water and Organic Solvents on the Bi-Pb-Sr-Ca-Cu-O System
We report the change in the superconductivity characteristics as a sample of the Bi-Pb-Sr-Ca-Cu-O system is soaked in the distilled water or in a certain organic solvent. The critical temperature shows a tende...