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RELATIONSHIP BETWEEN MICROSTRUCTURE AND JC PROPERTY IN MGB2/Α-AL2O3 FILM FABRICATED BY IN SITU ELECTRON BEAM EVAPORATION

SOSIATI, HARINI; HATA, SATOSHI; KUWANO, NORIYUKI; TOMOKIYO, YOSHITSUGU; KITAGUCHI, HITOSHI; DOI, TOSHIYA; YAMAMOTO, HAJIME; MATSUMOTO, AKIYOSHI; SAITOH, KEISUKE; KUMAKURA, HIROAKI (IOP, 2005-08-09)

A transmission electron microscopy (TEM) study has been carried out on an MgB2/α-Al2O3 film that exhibits the typical property of critical current density (Jc) under magnetic fields. The MgB2 layer of 300 nm in thickness ...

TRANSMISSION ELECTRON MICROSCOPY ANALYSIS OF C4H4S-doped MgB2 TAPES

YUZURIHA, N; SOSIATI, HARINI; HATA, SATOSHI; KUWANO, NORIYUKI; YAMADA, H; UCHIYAMA, N; MATSUMOTO, AKIYOSHI; KITAGUCHI, HITOSHI; KUMAKURA, HIROAKI (IOP, 2008)

It has been reported that doping with aromatic hydrocarbons in an in situ powder-intube fabrication process of MgB2 tapes is effective for increasing the critical current density (Jc) under magnetic fields. In this study, ...