Origins of Hole Doping and Relevant Optoelectronic Properties of Wide Gap p-Type Semiconductor, LaCuOSe

2010 ◽  
Vol 132 (42) ◽  
pp. 15060-15067 ◽  
Author(s):  
Hidenori Hiramatsu ◽  
Toshio Kamiya ◽  
Tetsuya Tohei ◽  
Eiji Ikenaga ◽  
Teruyasu Mizoguchi ◽  
...  
2007 ◽  
Vol 91 (1) ◽  
pp. 012104 ◽  
Author(s):  
Hidenori Hiramatsu ◽  
Kazushige Ueda ◽  
Hiromichi Ohta ◽  
Masahiro Hirano ◽  
Maiko Kikuchi ◽  
...  

2014 ◽  
Vol 105 (2) ◽  
pp. 022104 ◽  
Author(s):  
Yosuke Goto ◽  
Mai Tanaki ◽  
Yuki Okusa ◽  
Taizo Shibuya ◽  
Kenji Yasuoka ◽  
...  

2010 ◽  
Vol 207 (7) ◽  
pp. 1652-1654 ◽  
Author(s):  
P. Parreira ◽  
G. Lavareda ◽  
J. Valente ◽  
F.T. Nunes ◽  
A. Amaral ◽  
...  

2002 ◽  
Vol 747 ◽  
Author(s):  
Hidenori Hiramatsu ◽  
Kazushige Ueda ◽  
Hiromichi Ohta ◽  
Masahiro Hirano ◽  
Hideo Hosono

ABSTRACTEpitaxial films of LaCuOS, a wide gap p-type semiconductor, were grown on yittria- stabi-lized-zirconia (YSZ) (001) or MgO (001) substrates by a reactive solid phase epitaxy (R-SPE) method. Crystal quality, electrical and optical properties on the epitaxial films on each substrate are examined in this paper. Achievement of the heteroepitaxial growth of LaCuOS on the MgO (001) substrate improves optical properties of LaCuOS such as spectral bandwidths and emission intensity, suggesting that the MgO (001) substrate is more preferable than the YSZ (001) for epitaxial growth substrate for LaCuOS.


2002 ◽  
Vol 81 (4) ◽  
pp. 598-600 ◽  
Author(s):  
Hidenori Hiramatsu ◽  
Kazushige Ueda ◽  
Hiromichi Ohta ◽  
Masahiro Orita ◽  
Masahiro Hirano ◽  
...  

2001 ◽  
Vol 666 ◽  
Author(s):  
Kazushige Ueda ◽  
Shin-ichiro Inoue ◽  
Sakyo Hirose ◽  
Hiroshi Kawazoe ◽  
Hideo Hosono

ABSTRACTMaterials design for transparent p-type conducting oxides was extended to oxysulfide system. LaCuOS was selected as a candidate for a transparent p-type semiconductor. It was found that the electrical conductivity of LaCuOS was p-type and controllable from semiconducting to semi-metallic states by substituting Sr2+ for La3+. LaCuOS films showed high transparency in the visible region, and the bandgap estimated was approximately 3.1 eV. Moreover, it was revealed that LaCuOS showed sharp excitonic absorption and emission at the bandgap edge, which is advantageous for optical applications. A layered oxysulfide, LaCuOS, was proposed to be a promising material for optoelectronic devices.


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