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Ohtsuka, Kohji
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Online (45)
Mediatypes
Articles (Online) (42)
Bookchapter (Online) (1)
OpenAccess-fulltext (2)
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?
1
Asymptotic series solution of variational stokes problems i..:
Kovtunenko, Victor A.
;
Ohtsuka, Kohji
Applied Mathematics in Science and Engineering. 30 (2022) 1 - p. 448-479 , 2022
Link:
https://doi.org/10.1080/..
?
2
Inverse problem of shape identification from boundary measu..:
Kovtunenko, Victor A.
;
Ohtsuka, Kohji
Journal of Inverse and Ill-posed Problems. 0 (2020) 0 - p. , 2020
Link:
https://doi.org/10.1515/..
?
3
Shape Differentiability of Lagrangians and Application to O..:
, In:
Mathematics for Industry; Mathematical Analysis of Continuum Mechanics and Industrial Applications III
,
Kovtunenko, Victor A.
;
Ohtsuka, Kohji
- p. 97-110 , 2020
Link:
https://doi.org/10.1007/..
?
4
Shape derivative of cost function for singular point: Evalu..:
Azegami, Hideyuki
;
Ohtsuka, Kohji
;
Kimura, Masato
JSIAM Letters. 6 (2014) 0 - p. 29-32 , 2014
Link:
https://doi.org/10.14495..
?
5
Optical properties of AlxGa1−xN alloy:
Takeuchi, Katsuki
;
Adachi, Sadao
;
Ohtsuka, Kohji
Journal of Applied Physics. 107 (2010) 2 - p. , 2010
Link:
https://doi.org/10.1063/..
?
6
Mathematical modeling of stable quasi‐static crack extensio..:
Ohtsuka, Kohji
PAMM. 7 (2007) 1 - p. 1090803-1090804 , 2007
Link:
https://doi.org/10.1002/..
?
7
Properties of radio-frequency-sputter-deposited GaN films i..:
Miyazaki, Takayuki
;
Takada, Kouhei
;
Adachi, Sadao
.
Journal of Applied Physics. 97 (2005) 9 - p. , 2005
Link:
https://doi.org/10.1063/..
?
8
Role of AlN/GaN Multilayer in Crack-Free GaN Layer Growth o..:
Sugahara, Tomoya
;
Lee, Jeong-Sik
;
Ohtsuka, Kohji
Japanese Journal of Applied Physics. 43 (2004) 12B - p. L1595-L1597 , 2004
Link:
https://doi.org/10.1143/..
?
9
AlGaN/GaN Heterostructure Field-Effect Transistors (HFETs) ..:
Iwakami, Shinichi
;
Yanagihara, Masataka
;
Machida, Osamu
...
Japanese Journal of Applied Physics. 43 (2004) 7A - p. L831 , 2004
Link:
https://doi.org/10.1143/..
?
10
Comparison of criteria on the direction of crack extension:
Ohtsuka, Kohji
Journal of Computational and Applied Mathematics. 149 (2002) 1 - p. 335-339 , 2002
Link:
https://doi.org/10.1016/..
?
11
Reduction of defect density in GaN epilayer having buried G..:
Sumiya, Masatomo
;
Kurumasa, Youichi
;
Ohtsuka, Kohji
...
Journal of Crystal Growth. 237-239 (2002) - p. 1060-1064 , 2002
Link:
https://doi.org/10.1016/..
?
12
Properties of GaN films deposited on Si(111) by radio-frequ..:
Miyazaki, Takayuki
;
Fujimaki, Tamotsu
;
Adachi, Sadao
.
Journal of Applied Physics. 89 (2001) 12 - p. 8316-8320 , 2001
Link:
https://doi.org/10.1063/..
?
13
Effect of AlN buffer layer deposition conditions on the pro..:
Ito, Takahiro
;
Ohtsuka, Kohji
;
Kuwahara, Kazuhiro
...
Journal of Crystal Growth. 205 (1999) 1-2 - p. 20-24 , 1999
Link:
https://doi.org/10.1016/..
?
14
Influence of Thermal Annealing on GaN Buffer Layers and the..:
Ito, Takahiro
;
Sumiya, Masatomo
;
Takano, Yasushi
..
Japanese Journal of Applied Physics. 38 (1999) 2R - p. 649 , 1999
Link:
https://doi.org/10.1143/..
?
15
Influences of initial nitridation and buffer layer depositi..:
Fuke, Shunro
;
Teshigawara, Hidekazu
;
Kuwahara, Kazuhiro
...
Journal of Applied Physics. 83 (1998) 2 - p. 764-767 , 1998
Link:
https://doi.org/10.1063/..
1-15