activity
20012012
most citedUniversal Phase Diagram for High-Piezoelectric Perovskite Systems

307 citations · 858 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.str-el2012★ 30 cited

Ferromagnetism of cobalt-doped anatase TiO studied by bulk- and surface-sensitive soft x-ray magnetic circular dichroism

V. R. Singh, K. Ishigami, V. K. Verma +11

We have studied magnetism in anatase TiCoO ({\it x} = 0.05) thin films with various electron carrier densities, by soft x-ray magnetic circular dichroism (XMCD)…

cond-mat.supr-con2009

Electric transport properties of YBCO bicrystal films with 45o misorientation angle grown by liquid phase epitaxy

Yu. Eltsev, Y. Yamada, K. Nakao

We report on transport properties of grain boundaries fabricated in YBa2Cu3O7-x thin films grown by the liquid phase epitaxy (LPE) technique on MgO asymmetrical bicrystal substrate…

cond-mat.mtrl-sci2005★ 215 cited

Magnetic oxide semiconductors

T. Fukumura, H. Toyosaki, Y. Yamada

Magnetic oxide semiconductors, oxide semiconductors doped with transition metal elements, are one of the candidates for a high Curie temperature ferromagnetic semiconductor that is…

cond-mat.mtrl-sci2005★ 58 cited

Evolution of ferromagnetic circular dichroism coincident with magnetization and anomalous Hall effect in Co-doped rutile TiO2

H. Toyosaki, T. Fukumura, Y. Yamada +1

Magnetic circular dichroism (MCD) of rutile Ti1-xCoxO2-d is systematically examined with various x and d to reveal a phase diagram for the appearance of ferromagnetism at higher ca…

cond-mat.mtrl-sci2003★ 2 cited

Carrier induced ferromagnetism in room temperature ferromagnetic semiconductor rutile TiO2 doped with Co

H. Toyosaki, T. Fukumura, Y. Yamada +5

A ferromagnetic semiconductor, rutile (Ti,Co)O2, exhibits anomalous Hall effect at room temperature. Strong dependence of the anomalous Hall effect, as well as the magneto-optic re…

cond-mat.mtrl-sci2003★ 246 cited

Exploration of oxide-based diluted magnetic semiconductors toward transparent spintronics

T. Fukumura, Y. Yamada, H. Toyosaki +3

A review is given for the recent progress of research in the field of oxide-based diluted magnetic semiconductor (DMS), which was triggered by combinatorial discovery of transparen…