APPLIED PHYSICS LETTERS

KOU R, HORI Y, TSUCHIZAWA T, WARABI K, KOBAYASHI Y, HARADA Y, HIBINO H, YAMAMOTO T, NAKAJIMA H, YAMADA K

APPLIED PHYSICS LETTERS

ENTANI S, SEKI T, SAKURABA Y, YAMAMOTO T, TAKAHASHI S, NARAMOTO H, TAKANASHI K, SAKAI S