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1

Growth and characterization of GaSb/AlGaSb multi-quantum well structures on Si (0 0 1) substrates

Hideyuki Toyota, Tomonori Sasaki, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Journal of Crystal Growth

Year:

2008

Language:

english

File:

PDF, 422 KB

english, 2008

2

Defects Induced by Carbon Contamination in Low-Temperature Epitaxial Silicon Films Grown with Monosilane

Sato, Shin'ya, Mizushima, Ichiro, Miyano, Kiyotaka, Sato, Tsutomu, Nakamura, Shin'ichi, Tsunashima, Yoshitaka, Arikado, Tsunetoshi, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2005

Language:

english

File:

PDF, 256 KB

english, 2005

3

Effect of thermal annealing on the properties of narrow-bandgap ZnSnAs2 epitaxial films on InP(001) substrates

Yuji Agatsuma, Joel T. Asubar, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Physics Procedia

Year:

2010

Language:

english

File:

PDF, 420 KB

english, 2010

4

MBE growth of Mn-doped ZnSnAs2 thin films

Joel T. Asubar, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Journal of Crystal Growth

Year:

2009

Language:

english

File:

PDF, 328 KB

english, 2009

5

High-Resolution X-ray Diffraction Studies of ZnSnAs2 Epitaxial Films Nearly Lattice-matched to InP Substrates

Joel T. Asubar, Yuji Agatsuma, Hiroshi Yamaguchi, Shin‘Ichi Nakamura, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Physics Procedia

Year:

2010

Language:

english

File:

PDF, 684 KB

english, 2010

6

Growth and annealing effect of ferromagnetic (Ga, Mn)As on Si(1 0 0) substrates

Naotaka Uchitomi, Sin’ya Sato, Yoshio Jinbo

Journal:

Applied Surface Science

Year:

2003

Language:

english

File:

PDF, 157 KB

english, 2003

7

Impurity band conduction and negative magnetoresistance in p-ZnSnAs2 thin films

Joel T. Asubar, Yoshio Jinbo, Naotaka Uchitomi

Journal:

physica status solidi (c)

Year:

2009

Language:

english

File:

PDF, 275 KB

english, 2009

8

Preparation and tunneling magnetoresistance of (Ga,Mn)As trilayer structures on Si (0 0 1) substrates

Shin’ya Sato, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Physica B: Condensed Matter

Year:

2006

Language:

english

File:

PDF, 257 KB

english, 2006

9

Characterization of Si +-implanted GaAs substrates using thermal-wave measurement

Naotaka Uchitomi, Hitoshi Mikami, Kenichi Tomita, Nobuyuki Toyoda

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

1989

Language:

english

File:

PDF, 420 KB

english, 1989

10

Zinc-blende MnAs thin films directly grown on InP (001) substrates as possible source of spin-polarized current

Hiroto Oomae, Joel T. Asubar, Shinichi Nakamura, Yoshio Jinbo, Naotaka Uchitomi

Journal:

Journal of Crystal Growth

Year:

2012

Language:

english

File:

PDF, 670 KB

english, 2012

11

Annealing Effects on Impurity Band Conduction of ZnSnAs 2 Epitaxial Films

Asubar, Joel T, Agatsuma, Yuji, Jinbo, Yoshio, Ishibashi, Takayuki, Uchitomi, Naotaka

Journal:

IOP Conference Series Materials Science and Engineering

Year:

2011

Language:

english

File:

PDF, 881 KB

english, 2011

12

Three Dimensional Local Structure Analysis of ZnSnAs 2 :Mn by X-ray Fluorescence Holography

Hayashi, Kouichi, Uchitomi, Naotaka, Asubar, Joel T., Happo, Naohisa, Hu, Wen, Hosokawa, Shinya, Suzuki, Motohiro

Journal:

Japanese Journal of Applied Physics

Year:

2011

Language:

english

File:

PDF, 632 KB

english, 2011

13

Characterization of refractory W, WNx, and WSix films on GaAs using thermoreflectance measurements

Uchitomi, Naotaka, Nagaoka, Masami, Toyoda, Nobuyuki

Journal:

Journal of Applied Physics

Year:

1989

Language:

english

File:

PDF, 644 KB

english, 1989

14

Magnetic anisotropy of (Ga,Mn)As films grown on Si (001) substrates

Sato, Shin’ya, Jinbo, Yoshio, Uchitomi, Naotaka

Journal:

Journal of Vacuum Science & Technology A Vacuum Surfaces and Films

Year:

2006

Language:

english

File:

PDF, 362 KB

english, 2006

15

Analysis of planar channeling effects on the threshold voltage uniformity of GaAs metal-semiconductor field-effect transistors using stereographic projection

Mikami, Hitoshi, Uchitomi, Naotaka, Toyoda, Nobuyuki

Journal:

Journal of Applied Physics

Year:

1988

Language:

english

File:

PDF, 695 KB

english, 1988

16

Experimental study on the correlation between thermal-wave signals and dopant profiles for silicon-implanted GaAs

Uchitomi, Naotaka, Mikami, Hitoshi, Toyoda, Nobuyuki, Nii, Riro

Journal:

Applied Physics Letters

Year:

1988

Language:

english

File:

PDF, 578 KB

english, 1988

17

Highly uniform ion implants into GaAs by wafer rotation

Uchitomi, Naotaka, Mikami, Hitoshi, Toyoda, Nobuyuki

Journal:

Journal of Applied Physics

Year:

1990

Language:

english

File:

PDF, 496 KB

english, 1990

18

[IEEE Related Materials (IPRM) - Newport Beach, CA, USA (2009.05.10-2009.05.14)] 2009 IEEE International Conference on Indium Phosphide & Related Materials - Fabrication and structural characterization of nearly lattice-matched p-ZnSnAs2/n-InP heterojunctions

Asubar, Joel T., Nakamura, Shin'ichi, Jinbo, Yoshio, Uchitomi, Naotaka

Year:

2009

Language:

english

File:

PDF, 515 KB

english, 2009

19

Optical Characterization of Heavily Sn-Doped GaAs 1- x Sb x Epilayers Grown by Molecular Beam Epitaxy on (001) GaAs Substrates

Nishino, Fumio, Takei, Tatsuya, Kato, Ariyuki, Jinbo, Yoshio, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2005

Language:

english

File:

PDF, 168 KB

english, 2005

20

[ECS 214th ECS Meeting - Honolulu, HI (October 12 - October 17, 2008)] ECS Transactions - Influence of in-situ Boron Doping on the Surface Roughening of SiGe:B Films

Tsuchida, Ryutaro, Mori, Shinji, Sato, Tsutomu, Uchitomi, Naotaka, Mizushima, Ichiro

Year:

2008

Language:

english

File:

PDF, 1.31 MB

english, 2008

21

Ab-initio study of ferromagnetism in Mn-doped ZnSnAs 2

Jafarova, Vusala, Huseynova, Suma, Orudzhev, Guseyn, Uchitomi, Naotaka, Wakita, Kazuki, Mamedov, Nazim

Journal:

Physica status solidi

Year:

2015

Language:

english

File:

PDF, 513 KB

english, 2015

22

Preparation of thermoelectric Si:B/SiGe multilayer structures on quartz glasses by RF-magnetron sputtering with layer-by-layer annealing methods

Ookura, Takuya, Toyota, Hideyuki, Takeda, Masatoshi, Kambayashi, Toshio, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 1.49 MB

english, 2014

23

Characterization of GaSb/AlGaSb Multi-Quantum-Well Structures Grown on Si(001) Substrates

Toyota, Hideyuki, Sasaki, Tomonori, Nakamura, Shin-ichi, Jinbo, Yoshio, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2008

Language:

english

File:

PDF, 241 KB

english, 2008

24

Inhomogeneous distribution of manganese atoms in ferromagnetic ZnSnAs2:Mn thin films on InP revealed by three-dimensional atom probe investigation

Uchitomi, Naotaka, Inoue, Hiroaki, Kato, Takahiro, Toyota, Hideyuki, Uchida, Hiroshi

Journal:

Journal of Applied Physics

Year:

2015

Language:

english

File:

PDF, 1.28 MB

english, 2015

25

Room-Temperature Ferromagnetism in (Zn,Mn,Sn)As 2 Thin Films Applicable to InP-Based Spintronic Devices

Uchitomi, Naotaka, Oomae, Hiroto, Asubar, Joel T., Endo, Hironori, Jinbo, Yoshio

Journal:

Japanese Journal of Applied Physics

Year:

2011

File:

PDF, 933 KB

2011

26

Mobility Profiles in Submicron WN x -BPLDD-GaAs MESFETs

Steiner, Klaus, Uchitomi, Naotaka, Toyoda, Nobuyuki

Journal:

Japanese Journal of Applied Physics

Year:

1990

Language:

english

File:

PDF, 363 KB

english, 1990

27

Influence of Carbon in In-situ Carbon-Doped SiGe Films on Si(001) Substrates on Epitaxial Growth Characteristics

Oomae, Hiroto, Itokawa, Hiroshi, Mizushima, Ichiro, Nakamura, Shinichi, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2010

Language:

english

File:

PDF, 144 KB

english, 2010

28

Mobility Profiles in Self-Aligned WN X -Undoped AlGaAs/n-GaAs/Undoped AlGaAs Doped-Channel Hetero-MISFETs

Steiner, Klaus, Mikami, Hitoshi, Nishihori, Kazuya, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

1991

File:

PDF, 446 KB

1991

29

Buried-Channel W N x / W Self-Aligned GaAs MESFET Process with Selectively Implanted Channel and Undoped Epitaxial Surface Layers for MMIC Applications

Nishihori, Kazuya, Kitaura, Yoshiaki, Nagaoka, Masami, Tanabe, Yoshikazu, Mihara, Masakatsu, Yoshimura, Misao, Hirose, Mayumi, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

1995

Language:

english

File:

PDF, 513 KB

english, 1995

30

Electrotransport Properties of p-ZnSnAs 2 Thin Films Grown by Molecular Beam Epitaxy on Semi-insulating (001) InP Substrates

Asubar, Joel T., Kato, Ariyuki, Jinbo, Yoshio, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2008

Language:

english

File:

PDF, 186 KB

english, 2008

31

Crystalline Quality and Structure of MBE-Grown Ferromagnetic Semiconductor ZnSnAs2:Mn Thin Films Revealed by High-Resolution X-ray Diffraction Measurements

Uchitomi, Naotaka, Toyota, Hideyuki, Takahashi, Toshio

Journal:

Zeitschrift für Physikalische Chemie

Year:

2016

Language:

english

File:

PDF, 760 KB

english, 2016

32

Low-temperature heteroepitaxial growth of InAlAs layers on ZnSnAs 2 /InP(001)

Oomae, Hiroto, Suzuki, Akiko, Toyota, Hideyuki, Nakamura, Shin'ichi, Uchitomi, Naotaka

Journal:

Physica status solidi

Year:

2015

Language:

english

File:

PDF, 942 KB

english, 2015

33

Magnetotransport properties of MnAs/ZnSnAs 2 /ZnSnAs 2 :Mn ferromagnet/semiconductor hybrid structures

Oomae, Hiroto, Jinbo, Yoshio, Toyota, Hideyuki, Uchitomi, Naotaka

Journal:

physica status solidi (a)

Year:

2013

Language:

english

File:

PDF, 341 KB

english, 2013

34

Growth and characterization of Ga doped ZnSnAs 2 thin films on InP substrates

Kato, Takahiro, Uchiyama, Takashi, Toyota, Hideyuki, Uchitomi, Naotaka

Journal:

Physica status solidi

Year:

2015

Language:

english

File:

PDF, 630 KB

english, 2015

35

In-situ annealing effect of zinc-blende MnAs thin films grown on InP substrates

Oomae, Hiroto, Shimazaki, Tsuneyuki, Toyota, Hideyuki, Nakamura, Shin-ichi, Uchitomi, Naotaka

Journal:

Physica status solidi

Year:

2013

Language:

english

File:

PDF, 699 KB

english, 2013

36

Ternary and Multinary Compounds

Tsuboi, Nozomu, Wakita, Kazuki, Yamada, Akira, Shirakata, Sho, Wada, Takahiro, Niki, Shigeru, Imaizumi, Mitsuru, Hara, Kazuhiko, Uchitomi, Naotaka

Journal:

Physica status solidi

Year:

2015

Language:

english

File:

PDF, 294 KB

english, 2015

37

Large As sublattice distortion in sphalerite ZnSnAs 2 thin films revealed by x-ray fluorescence holography

Hayashi, Kouichi, Uchitomi, Naotaka, Yamagami, Keitaro, Suzuki, Akiko, Yoshizawa, Hayato, Asubar, Joel T., Happo, Naohisa, Hosokawa, Shinya

Journal:

Journal of Applied Physics

Year:

2016

Language:

english

File:

PDF, 2.34 MB

english, 2016

38

Antiferromagnetic-ferromagnetic phase transition in (Zn,Sn,Mn)As 2 epitaxial thin films

Hidaka, Shiro, Toyota, Hideyuki, Uchitomi, Naotaka

Journal:

Applied Physics Letters

Year:

2017

Language:

english

File:

PDF, 1.83 MB

english, 2017

39

[IEEE 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS)] - Toyama, Japan (2016.6.26-2016.6.30)] 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS) - Growth and characterization of (Zn, Sn, Ga)As2 thin films grown on GaAs(001) substrate by molecular beam epitaxy

Toyota, Hideyuki, Terauchi, Tatsuya, Hidaka, Shiro, Kato, Takahiro, Uchitomi, Naotaka

Year:

2016

Language:

english

File:

PDF, 19 KB

english, 2016

40

Effects of cationic growth conditions of molecular beam epitaxy on ferromagnetic properties of Mn-doped ZnSnAs 2 thin films

Ogo, Masaki, Hidaka, Shiro, Toyota, Hideyuki, Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2017

Language:

english

File:

PDF, 1.04 MB

english, 2017

41

Magnetic phase change in Mn-doped ZnSnAs 2 thin films depending on Mn concentration

Uchitomi, Naotaka, Hidaka, Shiro, Saito, Shin, Asubar, Joel T., Toyota, Hideyuki

Journal:

Journal of Applied Physics

Year:

2018

Language:

english

File:

PDF, 2.30 MB

english, 2018

42

Control of conduction type in ferromagnetic (Zn,Sn,Mn)As 2 thin films by changing Mn content and effect of annealing on thin films with n -type conduction

Minamizawa, Yuto, Kitazawa, Tomohiro, Hidaka, Shiro, Toyota, Hideyuki, Nakamura, Shin-ichi, Uchitomi, Naotaka

Journal:

Journal of Crystal Growth

Year:

2018

Language:

english

File:

PDF, 1.41 MB

english, 2018

43

Ferromagnetic ZnSnAs2:Mn Chalcopyrite Semiconductors for InP-based Spintronics

Uchitomi, Naotaka, Asubar, Joel T, Oomae, Hiroto, Endoh, Hironori, Jinbo, Yoshio

Journal:

e-Journal of Surface Science and Nanotechnology

Year:

2011

Language:

english

File:

PDF, 2.19 MB

english, 2011

44

Spatial distribution of substitutional Mn-As clusters in ferromagnetic (Zn,Sn,Mn)As 2 thin films revealed by image reconstruction of atom probe tomography data

Oomae, Hiroto, Shinoda, Miyuki, Asubar, Joel T., Sato, Kai, Toyota, Hideyuki, Mayama, Norihito, Mehdiyev, Bakhshi, Uchitomi, Naotaka

Journal:

Journal of Applied Physics

Year:

2019

Language:

english

File:

PDF, 2.24 MB

english, 2019

45

Epitaxial growth and characterization of Cr-doped ZnSnAs 2 thin films on InP substrates

Oomae, Hiroto, Sato, Kai, Shinoda, Miyuki, Faris bin Ishak, M. I., Toyota, Hideyuki, Akabori, Masashi, Kizaki, Hidetoshi, Nakamura, Shinichi, Asubar, Joel T., Uchitomi, Naotaka

Journal:

Japanese Journal of Applied Physics

Year:

2020

File:

PDF, 989 KB

2020

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