Hiroaki Ohfuji: search on Z-Library

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1

Micro-/nanostructural investigation of laser-cut surfaces of single- and polycrystalline diamonds

Ohfuji, Hiroaki, Okuchi, Takuo, Odake, Shoko, Kagi, Hiroyuki, Sumiya, Hitoshi, Irifune, Tetsuo

Journal:

Diamond and Related Materials

Year:

2010

Language:

english

File:

PDF, 4.28 MB

english, 2010

2

Thermal Shock Fracture Properties of Damage-Tolerant Advanced Pore-Free SiC

MATSUDA, Shinya, TAKAHASHI, Manabu, ONOUE, Takushi, OGI, Keiji, MATSUSHITA, Masafumi, OKABE, Nagatoshi, OHFUJI, Hiroaki

Journal:

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A

Year:

2008

File:

PDF, 1.25 MB

2008

3

Pulsed laser processing of nano-polycrystalline diamond: A comparative study with single crystal diamond

Odake, Shoko, Ohfuji, Hiroaki, Okuchi, Takuo, Kagi, Hiroyuki, Sumiya, Hitoshi, Irifune, Tetsuo

Journal:

Diamond and Related Materials

Year:

2009

Language:

english

File:

PDF, 350 KB

english, 2009

4

Phase transformations of Ca3Al2Si3O12 grossular garnet to the depths of the Earth's mantle transition zone

Steeve Gréaux, Norimasa Nishiyama, Yoshio Kono, Laurent Gautron, Hiroaki Ohfuji, Takehiro Kunimoto, Nicolas Menguy, Tetsuo Irifune

Journal:

Physics of the Earth and Planetary Interiors

Year:

2011

Language:

english

File:

PDF, 2.35 MB

english, 2011

5

Structure and stability of carbon nitride under high pressure and high temperature up to 125GPa and 3000K

Kojima, Yohei, Ohfuji, Hiroaki

Journal:

Diamond and Related Materials

Year:

2013

Language:

english

File:

PDF, 1.28 MB

english, 2013

6

Precise Analysis of Microstructural Effects on Mechanical Properties of Cast ADC12 Aluminum Alloy

Okayasu, Mitsuhiro, Takeuchi, Shuhei, Yamamoto, Masaki, Ohfuji, Hiroaki, Ochi, Toshihiro

Journal:

Metallurgical and Materials Transactions A

Year:

2015

Language:

english

File:

PDF, 9.06 MB

english, 2015

7

Micro- and nano-inclusions in a superdeep diamond from São Luiz, Brazil

Kagi, Hiroyuki, Zedgenizov, Dmitry A., Ohfuji, Hiroaki, Ishibashi, Hidemi

Journal:

Geochemistry International

Year:

2016

Language:

english

File:

PDF, 842 KB

english, 2016

8

Experimental study on the stability of graphitic C3N4 under high pressure and high temperature

Fang, Leiming, Ohfuji, Hiroaki, Shinmei, Toru, Irifune, Tetsuo

Journal:

Diamond and Related Materials

Year:

2011

Language:

english

File:

PDF, 1.24 MB

english, 2011

9

Mineralogical and geomicrobiological investigations on groundwater arsenic enrichment in Bangladesh

Junji Akai, Kaoru Izumi, Haruo Fukuhara, Harue Masuda, Satoshi Nakano, Takahisa Yoshimura, Hiroaki Ohfuji, Hossain Md Anawar, Kurumi Akai

Journal:

Applied Geochemistry

Year:

2004

Language:

english

File:

PDF, 979 KB

english, 2004

10

Strength and plastic deformation of polycrystalline diamond composites

Wang, Yanbin, Shi, Feng, Ohfuji, Hiroaki, Gasc, Julien, Nishiyama, Norimasa, Yu, Tony, Officer, Timothy, Shinmei, Toru, Irifune, Tetsuo

Journal:

High Pressure Research

Year:

2019

File:

PDF, 3.20 MB

2019

11

Temporal alteration of fracture permeability in granite under hydrothermal conditions and its interpretation by coupled chemo-mechanical model

Hide Yasuhara, Naoki Kinoshita, Hiroaki Ohfuji, Dae Sung Lee, Shinichiro Nakashima, Kiyoshi Kishida

Journal:

Applied Geochemistry

Year:

2011

Language:

english

File:

PDF, 2.33 MB

english, 2011

12

Structure of framboidal pyrite: a single crystal X-ray diffraction study

Ohfuji, Hiroaki, Rickard, David, Light, Mark E., Hursthouse, Michael B.

Journal:

European Journal of Mineralogy

Year:

2006

Language:

english

File:

PDF, 348 KB

english, 2006

13

Crystallization and Texturing of Diamond Formed by the Direct Transformation from Graphite; グラファイト－ダイヤモンド相転移の結晶化・組織化メカニズム;

OHFUJI, Hiroaki

Journal:

Nihon Kessho Gakkaishi

Year:

2018

File:

PDF, 1.60 MB

2018

14

Icosahedral domain structure of framboidal pyrite

Ohfuji, Hiroaki, Akai, Junji

Journal:

American Mineralogist

Year:

2002

Language:

english

File:

PDF, 244 KB

english, 2002

15

193nm Lithography with Novel Highly Transparent Acid Amplifier for Chemically Amplified Resist.

Naito, Takuya, Ohfuji, Takeshi, Endo, Masayuki, Morimoto, Hiroaki, Arimitsu, Koji, Ichimura, Kunihiro

Journal:

Journal of Photopolymer Science and Technology

Year:

1999

Language:

english

File:

PDF, 432 KB

english, 1999

16

Intermediate-depth earthquakes linked to localized heating in dunite and harzburgite

Ohuchi, Tomohiro, Lei, Xinglin, Ohfuji, Hiroaki, Higo, Yuji, Tange, Yoshinori, Sakai, Takeshi, Fujino, Kiyoshi, Irifune, Tetsuo

Journal:

Nature Geoscience

Year:

2017

Language:

english

File:

PDF, 1.66 MB

english, 2017

17

Influence of graphite crystallinity on the microtexture of nano-polycrystalline diamond obtained by direct conversion

Hiroaki Ohfuji, Shinsuke Okimoto, Takehiro Kunimoto, Futoshi Isobe, Hitoshi Sumiya, Kazuo Komatsu, Tetsuo Irifune

Journal:

Physics and Chemistry of Minerals

Year:

2012

Language:

english

File:

PDF, 1.43 MB

english, 2012

18

Transparent polycrystalline nanoceramics consisting of triclinic Al 2 SiO 5 kyanite and Al 2 O 3 corundum

Gaida, Nico A., Nishiyama, Norimasa, Masuno, Atsunobu, Schürmann, Ulrich, Giehl, Christopher, Beermann, Oliver, Ohfuji, Hiroaki, Bednarcik, Jozef, Kulik, Eleonora, Holzheid², Astrid, Irifune, Tetsuo,

Journal:

Journal of the American Ceramic Society

Year:

2017

Language:

english

File:

PDF, 369 KB

english, 2017

19

Effectiveness of acellular pertussis vaccine in a routine immunization program: A multicenter, case-control study in Japan

Ohfuji, Satoko, Okada, Kenji, Nakano, Takashi, Ito, Hiroaki, Hara, Megumi, Kuroki, Haruo, Hirota, Yoshio

Journal:

Year:

2015

Language:

english

File:

PDF, 596 KB

english, 2015

20

Phase relation of CaSO4 at high pressure and temperature up to 90 GPa and 2300 K

Fujii, Taku, Ohfuji, Hiroaki, Inoue, Toru

Journal:

Physics and Chemistry of Minerals

Year:

2016

Language:

english

File:

PDF, 1.92 MB

english, 2016

21

Crystal chemistry of K-rich nepheline in nephelinite from Hamada, Shimane Prefecture, Japan

Hamada, Maki, Akasaka, Masahide, Ohfuji, Hiroaki

Journal:

Mineralogical Magazine

Year:

2018

Language:

english

File:

PDF, 855 KB

english, 2018

22

Slow Si–Al interdiffusion in garnet and stagnation of subducting slabs

Nishi, Masayuki, Kubo, Tomoaki, Ohfuji, Hiroaki, Kato, Takumi, Nishihara, Yu, Irifune, Tetsuo

Journal:

Earth and Planetary Science Letters

Year:

2013

Language:

english

File:

PDF, 660 KB

english, 2013

23

Mechanical Strength and Failure Characteristics of Cast Mg-9 pctAl-1 pctZn Alloys Produced by a Heated-Mold Continuous Casting Process: Tensile Properties

Okayasu, Mitsuhiro, Takeuchi, Shuhei, Ohfuji, Hiroaki

Journal:

Metallurgical and Materials Transactions A

Year:

2014

Language:

english

File:

PDF, 5.31 MB

english, 2014

24

SPIE Proceedings [SPIE Microlithography '99 - Santa Clara, CA (Sunday 14 March 1999)] Advances in Resist Technology and Processing XVI - Analysis of molecular diffusion in resist polymer films simulated by molecular dynamics

Toriumi, Minoru, Ohfuji, Takeshi, Endo, Masayuki, Morimoto, Hiroaki, Conley, Will

Year:

1999

Language:

english

File:

PDF, 1.96 MB

english, 1999

25

High- P behavior of anorthite composition and some phase relations of the CaO-Al 2 O 3 -SiO 2 system to the lower mantle of the Earth, and their geophysical implications

Liu, Xi, Ohfuji, Hiroaki, Nishiyama, Norimasa, He, Qiang, Sanehira, Takeshi, Irifune, Tetsuo

Journal:

Journal of Geophysical Research

Year:

2012

Language:

english

File:

PDF, 1.48 MB

english, 2012

26

Transition in Deformation Mechanism during High-Temperature Tensile Testing of Friction-Stir-Processed 5083 Aluminum Alloy; Transition in Deformation Mechanism during High-Temperature Tensile Testing of Friction-Stir-Processed 5083 Aluminum Alloy;

MIZUGUCHI, Takashi, ITO, Tsutomu, KIMURA, Kota, KURISAKA, Tokiko, OHFUJI, Hiroaki

Journal:

Journal of the Society of Materials Science Japan

Year:

2018

Language:

english

File:

PDF, 1.94 MB

english, 2018

27

Reexamination of Solvothermal Synthesis of Layered Carbon Nitride

Kojima, Yohei, Ohfuji, Hiroaki

Journal:

Journal of Materials

Year:

2018

Language:

english

File:

PDF, 2.08 MB

english, 2018

28

Elastic wave velocities of garnetite with a MORB composition up to 14 GPa

Kono, Yoshio, Higo, Yuji, Ohfuji, Hiroaki, Inoue, Toru, Irifune, Tetsuo

Journal:

Geophysical Research Letters

Year:

2007

Language:

english

File:

PDF, 178 KB

english, 2007

29

Fracture-induced amorphization of polycrystalline SiO2 stishovite: a potential platform for toughening in ceramics

Nishiyama, Norimasa, Wakai, Fumihiro, Ohfuji, Hiroaki, Tamenori, Yusuke, Murata, Hidenobu, Taniguchi, Takashi, Matsushita, Masafumi, Takahashi, Manabu, Kulik, Eleonora, Yoshida, Kimiko, Wada, Kouhei,

Journal:

Scientific Reports

Year:

2014

Language:

english

File:

PDF, 2.89 MB

english, 2014

30

Pressure estimation using the ‘diamond Raman scale’ at low pressures in diamond anvil cell experiments using a highly confocal Raman system

Fujii, Taku, Ohfuji, Hiroaki

Journal:

Measurement Science and Technology

Year:

2015

Language:

english

File:

PDF, 860 KB

english, 2015

31

SPIE Proceedings [SPIE Microlithography '99 - Santa Clara, CA (Sunday 14 March 1999)] Advances in Resist Technology and Processing XVI - Theoretical analysis of line-edge roughness using FFT techniques

Ohfuji, Takeshi, Endo, Masayuki, Morimoto, Hiroaki, Conley, Will

Year:

1999

Language:

english

File:

PDF, 793 KB

english, 1999

32

Transparent polycrystalline cubic silicon nitride

Nishiyama, Norimasa, Ishikawa, Ryo, Ohfuji, Hiroaki, Marquardt, Hauke, Kurnosov, Alexander, Taniguchi, Takashi, Kim, Byung-Nam, Yoshida, Hidehiro, Masuno, Atsunobu, Bednarcik, Jozef, Kulik, Eleonora,

Journal:

Scientific Reports

Year:

2017

Language:

english

File:

PDF, 2.05 MB

english, 2017

33

Intracrystalline nucleation during the post-garnet transformation under large overpressure conditions in deep subducting slabs

Nishi, Masayuki, Irifune, Tetsuo, Ohfuji, Hiroaki, Tange, Yoshinori

Journal:

Geophysical Research Letters

Year:

2012

Language:

english

File:

PDF, 358 KB

english, 2012

34

Deep-ultraviolet near band-edge emissions from nano-polycrystalline diamond

Ishii, Ryota, Fukuta, Rei, Ishikawa, Fumitaro, Matsushita, Masafumi, Ohfuji, Hiroaki, Shinmei, Toru, Irifune, Tetsuo, Funato, Mitsuru, Kawakami, Yoichi

Journal:

High Pressure Research

Year:

2019

File:

PDF, 1.23 MB

2019

35

Neutron diffraction study of the structural and magnetic properties of ε -Fe 3 N 1.098 and ε -Fe 2.322 Co 0.678 N 0.888

Lei, Li, Zhang, Leilei, Gao, Shangpan, Hu, Qiwei, Fang, Leiming, Chen, Xiping, Xia, Yuanhua, Wang, Xianlong, Ohfuji, Hiroaki, Kojima, Yohei, Redfern, Simon A.T., Zeng, Zhi, Chen, Bo, He, Duanwei, Irif

Journal:

Journal of Alloys and Compounds

Year:

2018

Language:

english

File:

PDF, 1.75 MB

english, 2018

36

Oxidation States of Fe in Constituent Minerals of a Spinel Lherzolite Xenolith from the Tariat Depression, Mongolia: The Significance of Fe3+ in Olivine

Ejima, Terumi, Osanai, Yasuhito, Akasaka, Masahide, Adachi, Tatsuro, Nakano, Nobuhiko, Kon, Yoshiaki, Ohfuji, Hiroaki, Sereenen, Jargalan

Journal:

Year:

2018

Language:

english

File:

PDF, 1.99 MB

english, 2018

37

High-pressure and high-temperature synthesis of rhenium carbide using rhenium and nanoscale amorphous two-dimensional carbon nitride

Yasui, Nozomu, Sougawa, Masaya, Hirai, Masaaki, Yamamoto, Kaoru, Okada, Taku, Yamazaki, Daisuke, Kojima, Yohei, Ohfuji, Hiroaki, Kunitsugu, Shinsuke, Takarabe, Kenichi, Ahuja, Rajeev

Journal:

Year:

2015

Language:

english

File:

PDF, 1.05 MB

english, 2015

38

In Situ Observation of Pressure-induced Crystallization from Amorphous Calcium Carbonate by Time-resolved X-ray Diffraction

Maruyama, Koji, Kagi, Hiroyuki, Inoue, Toru, Ohfuji, Hiroaki, Yoshino, Toru

Journal:

Chemistry Letters

Year:

2015

Language:

english

File:

PDF, 2.94 MB

english, 2015

39

Natural occurrence of pure nano-polycrystalline diamond from impact crater

Ohfuji, Hiroaki, Irifune, Tetsuo, Litasov, Konstantin D., Yamashita, Tomoharu, Isobe, Futoshi, Afanasiev, Valentin P., Pokhilenko, Nikolai P.

Journal:

Scientific Reports

Year:

2015

Language:

english

File:

PDF, 1.49 MB

english, 2015

40

Phase relations in the system MgSiO 3 -Al 2 O 3 up to 2300 K at lower-mantle pressures

Liu, Zhaodong, Nishi, Masayuki, Ishii, Takayuki, Fei, Hongzhan, Miyajima, Nobuyoshi, Boffa Ballaran, Tiziana, Ohfuji, Hiroaki, Sakai, Takeshi, Wang, Lin, Shcheka, Svyatoslav, Arimoto, Takeshi, Tange,

Journal:

Journal of Geophysical Research Solid Earth

Year:

2017

Language:

english

File:

PDF, 1.87 MB

english, 2017

41

Synthesis of ultrafine nano-polycrystalline cubic boron nitride by direct transformation under ultrahigh pressure

Ichida, Yoshio, Ohfuji, Hiroaki, Irifune, Tetsuo, kunimoto, Takehiro, Kojima, Yohei, Shinmei, Toru

Journal:

Journal of the European Ceramic Society

Year:

2018

Language:

english

File:

PDF, 907 KB

english, 2018

42

Self-organization process of framboidal pyrite investigated by microtextural analysis

OHFUJI, Hiroaki

Journal:

Japanese Magazine of Mineralogical and Petrological Sciences

Year:

2012

File:

PDF, 5.41 MB

2012

43

Effects of Sizes and Aggregate of Bainite Laths on Strength and Elongation in Bainitic Steels

Nakai, Kiyomichi, Sakamoto, Tatsuaki, Yoshizawa, Toshiki, Konishi, Sanae, Kobayashi, Sengo, Ohfuji, Hiroaki, Irifune, Tetsuo

Journal:

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

Year:

2015

Language:

english

File:

PDF, 1.93 MB

english, 2015

44

Oxidation state of Fe in olivine in a lherzolite xenolith from Oku district, Oki-Dogo Island, Shimane Prefecture, Japan

Ejima, Terumi, Akasaka, Masahide, Ohfuji, Hiroaki

Journal:

Journal of Mineralogical and Petrological Sciences

Year:

2011

Language:

english

File:

PDF, 1.21 MB

english, 2011

45

High-Pressure Synthesis of CeOCl Crystals and Investigation of Their Photoluminescence and Compressibility Properties

Zhang, Leilei, Cheng, Ya, Lei, Li, Wang, Xianlong, Hu, Qiwei, Wang, Qiming, Ohfuji, Hiroaki, Kojima, Yohei, Zhang, Qiang, Zeng, Zhi, Peng, Fang, Kou, Zili, He, Duanwei, Irifune, Tetsuo

Journal:

Crystal Growth & Design

Year:

2018

Language:

english

File:

PDF, 2.97 MB

english, 2018

46

Pulsed laser irradiation as a process of conductive surface formation on nanopolycrystalline diamond

Fukuta, Rei, Yamamoto, Naoya, Ishikawa, Fumitaro, Matsushita, Masafumi, Yoshitake, Tsuyoshi, Ikenoue, Hiroshi, Ohfuji, Hiroaki, Shinmei, Toru, Irifune, Tetsuo

Journal:

Japanese Journal of Applied Physics

Year:

2018

Language:

english

File:

PDF, 796 KB

english, 2018

47

A Complete Solid Solution with Rutile-Type Structure in SiO 2 -GeO 2 System at 12 GPa and 1600°C

Kulik, Eleonora, Nishiyama, Norimasa, Masuno, Atsunobu, Zubavichus, Yan, Murzin, Vadim, Khramov, Evgeny, Yamada, Akihiro, Ohfuji, Hiroaki, Wille, Hans-Christian, Irifune, Tetsuo, Katsura, Tomoo, Ching

Journal:

Journal of the American Ceramic Society

Year:

2015

Language:

english

File:

PDF, 998 KB

english, 2015

48

Synthesis of coarse-grain-dispersed nano-polycrystalline cubic boron nitride by direct transformation under ultrahigh pressure

Ichida, Yoshio, Ohfuji, Hiroaki, Irifune, Tetsuo, Kunimoto, Takehiro, Kojima, Yohei, Shinmei, Toru

Journal:

Diamond and Related Materials

Year:

2017

Language:

english

File:

PDF, 1.72 MB

english, 2017

49

Reaction between Forsterite and Nitrogen Fluid at High Pressure and High Temperature

Kagi, Hiroyuki, Kubo, Toshinori, Shinozaki, Ayako, Okada, Taku, Ohfuji, Hiroaki, Nakao, Aiko

Journal:

Geochemistry International

Year:

2019

Language:

english

File:

PDF, 1015 KB

english, 2019

50

A novel long-period phase in Mg97Yb2Cu1 alloy

Tsuchiya, Teruki, Fukuda, Masahiro, Ohfuji, Hiroaki, Yamasaki, Michiaki, Kawamura, Yoshihito, Matsushita, Masafumi

Journal:

Journal of Alloys and Compounds

Year:

2020

File:

PDF, 2.98 MB

2020

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