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1

Searching for extra-high brightness laser-driven color converters by investigating thermally-induced luminance saturation

Xu, Yirong, Li, Shuxing, Zheng, Peng, Wang, Le, You, Shihai, Takeda, Takashi, Hirosaki, Naoto, Xie, Rong-Jun

Journal:

Journal of Materials Chemistry C

Year:

2019

Language:

english

File:

PDF, 2.07 MB

english, 2019

2

Hot-pressed Si3N4 ceramics with Lu2O3 additives: Grain-boundary phase and strength

Shuqi Guo, Naoto Hirosaki, Yoshinobu Yamamoto, Toshiyuki Nishimura, Yutaka Kagawa

Journal:

Materials Science and Engineering: A

Year:

2005

Language:

english

File:

PDF, 682 KB

english, 2005

3

Fabrication of glasses of dispersed yellow oxynitride phosphor for white light-emitting diodes

Hiroyo Segawa, Satoshi Ogata, Naoto Hirosaki, Satoru Inoue, Tadashi Shimizu, Masataka Tansho, Shinobu Ohki, Kenzo Deguchi

Journal:

Optical Materials

Year:

2010

Language:

english

File:

PDF, 673 KB

english, 2010

4

Red-shift of emission wavelength caused by reabsorption mechanism of europium activated Ca--SiAlON ceramic phosphors

Ken Sakuma, Naoto Hirosaki, Rong-Jun Xie

Journal:

Journal of Luminescence

Year:

2007

Language:

english

File:

PDF, 292 KB

english, 2007

5

Hot-pressed silicon nitride ceramics with Lu2O3 additives: elastic moduli and fracture toughness

Shuqi Guo, Naoto Hirosaki, Yoshinobu Yamamoto, Toshiyuki Nishimura, Mamoru Mitomo

Journal:

Journal of the European Ceramic Society

Year:

2003

Language:

english

File:

PDF, 618 KB

english, 2003

6

Oblique impact damage by spherical particles onto Si3N4

Yoshio Akimune, Toshio Ogasawara, Naoto Hirosaki, Touru Akiba

Journal:

Engineering Fracture Mechanics

Year:

1991

Language:

english

File:

PDF, 1.81 MB

english, 1991

7

Ideal shear strain of metals and ceramics

Ogata, Shigenobu, Li, Ju, Hirosaki, Naoto, Shibutani, Yoji, Yip, Sidney

Journal:

Physical Review B

Year:

2004

Language:

english

File:

PDF, 695 KB

english, 2004

8

Powder Synthesis of Ca-α‘-SiAlON as a Host Material for Phosphors

Suehiro, Takayuki, Hirosaki, Naoto, Xie, Rong-Jun, Mitomo, Mamoru

Journal:

Chemistry of Materials

Year:

2005

Language:

english

File:

PDF, 570 KB

english, 2005

9

Discovery of New Nitridosilicate Phosphors for Solid State Lighting by the Single-Particle-Diagnosis Approach

Hirosaki, Naoto, Takeda, Takashi, Funahashi, Shiro, Xie, Rong-Jun

Journal:

Chemistry of Materials

Year:

2014

Language:

english

File:

PDF, 461 KB

english, 2014

10

Highly Efficient and Thermally Stable Blue-Emitting AlN:Eu 2+ Phosphor for Ultraviolet White Light-Emitting Diodes

Inoue, Kazuo, Hirosaki, Naoto, Xie, Rong-Jun, Takeda, Takashi

Journal:

The Journal of Physical Chemistry C

Year:

2009

Language:

english

File:

PDF, 1.72 MB

english, 2009

11

Eu[sup 2+]-doped Ca-α-SiAlON: A yellow phosphor for white light-emitting diodes

Xie, Rong-Jun, Hirosaki, Naoto, Sakuma, Ken, Yamamoto, Yoshinobu, Mitomo, Mamoru

Journal:

Applied Physics Letters

Year:

2004

Language:

english

File:

PDF, 248 KB

english, 2004

12

Optimization of Mechanical and Electrical Properties of TiN/Si3N4 Material by Agglomerates-Microstructure-Control (Part 2)

AKIMUNE, Yosio, MUNAKATA, Fumio, HIROSAKI, Naoto, OKAMOTO, Yusuke

Journal:

Journal of the Ceramic Society of Japan

Year:

1998

File:

PDF, 2.66 MB

1998

13

Optimization of Mechanical and Electrical Properties of TiN/Si3N4 Material by Agglomerates-Microstructure-Control

AKIMUNE, Yoshio, MUNAKATA, Fumio, ANDO, Motohide, OKAMOTO, Yusuke, HIROSAKI, Naoto

Journal:

Journal of the Ceramic Society of Japan

Year:

1997

File:

PDF, 3.49 MB

1997

14

Fatigue Behavior of Silicon Nitride Ceramics Prepared from β-Phase Powder

OGASAWARA, Toshio, MABUCHI, Yutaka, HIROSAKI, Naoto, OKAMOTO, Yusuke, AKIMUNE, Yoshio

Journal:

Journal of the Ceramic Society of Japan

Year:

1995

File:

PDF, 1.51 MB

1995

15

Fracture Toughness and Subcritical Crack Growth of Small Crack in Silicon Nitride at Room Temperature

OGASAWARA, Toshio, HIROSAKI, Naoto, AKIMUNE, Yoshio, YASUDA, Eiichi

Journal:

Journal of the Ceramic Society of Japan

Year:

1995

File:

PDF, 2.73 MB

1995

16

Single-Particle-Diagnosis Approach: An efficient strategy for discovering new phosphors

Wang, Xiaojun, Takeda, Takashi, Hirosaki, Naoto, Funahashi, Shiro, Xie, Rong-Jun

Journal:

Journal of Rare Earths

Year:

2017

Language:

english

File:

PDF, 1.92 MB

english, 2017

17

Nitride and oxynitride phosphors for white LEDs: Synthesis, new phosphor discovery, crystal structure

Takeda, Takashi, Xie, Rong-Jun, Suehiro, Takayuki, Hirosaki, Naoto

Journal:

Progress in Solid State Chemistry

Year:

2017

Language:

english

File:

PDF, 1.71 MB

english, 2017

18

Trap Depth Engineering of SrSi2O2N2:Ln2+,Ln3+ (Ln2+ = Yb, Eu; Ln3+ = Dy, Ho, Er) Persistent Luminescence Materials for Information Storage Applications

Zhuang, Yixi, Lv, Ying, Wang, Le, Chen, Wenwei, Zhou, Tianliang, Takeda, Takashi, Hirosaki, Naoto, Xie, Rong-Jun

Journal:

ACS Applied Materials & Interfaces

Year:

2017

Language:

english

File:

PDF, 2.47 MB

english, 2017

19

New deep-blue emitting Ce doped A 4-m B n C 19+2m X 29+m (A = Sr, La, Eu, Ce; B = Li; C = Si, Al; X = O, N; 0 ≤ m ≤ 1; 0 ≤ n ≤ 1) phosphors for high color rendering warm white LEDs

Wang, Chun-Yun, Takeda, Takashi, ten Kate, Otmar Melvin, Funahashi, Shiro, Xie, Rong-Jun, Takahashi, Kohsei, Hirosaki, Naoto

Journal:

ACS Applied Materials & Interfaces

Year:

2019

Language:

english

File:

PDF, 4.47 MB

english, 2019

20

Unique Design Strategy for Laser‐Driven Color Converters Enabling Superhigh‐Luminance and High‐Directionality White Light

Zheng, Peng, Li, Shuxing, Wei, Ran, Wang, Le, Zhou, Tian‐Liang, Xu, Yi‐Rong, Takeda, Takashi, Hirosaki, Naoto, Xie, Rong‐Jun

Journal:

Laser & Photonics Reviews

Year:

2019

File:

PDF, 6.68 MB

2019

21

Crystal Structure of Lu4Si2O7N2 Analyzed by the Rietveld Method Using the Time-of-Flight Neutron Powder Diffraction Pattern.

Junichi Takahashi, Hisanori Yamane, Masahiko Shimada, Yoshinobu Yamamoto, Naoto Hirosaki, Mamoru Mitomo, Kenichi Oikawa, Shuki Torii, Takashi Kamiyama

Journal:

Year:

2002

File:

PDF, 32 KB

2002

22

Phase Relationships in the Si3N4—SiO2—Lu2O3 System.

Naoto Hirosaki, Yoshinobu Yamamoto, Toshiyuki Nishimura, Mamoru Mitomo, Junichi Takahashi, Hisanori Yamane, Masahiko Shimada

Journal:

Year:

2003

File:

PDF, 64 KB

2003

23

Crystal Structure of La4Si2O7N2 Analyzed by the Rietveld Method Using the Time-of-Flight Neutron Powder Diffraction Data.

Junichi Takahashi, Hisanori Yamane, Naoto Hirosaki, Yoshinobu Yamamoto, Takayuki Suehiro, Takashi Kamiyama, Masahiko Shimada

Journal:

Year:

2003

File:

PDF, 5 KB

2003

24

Ab initio Calculation of the Crystal Structure of the Lanthanide Ln2O3 Sesquioxides

Naoto Hirosaki, Shigenobu Ogata, Cenk Kocer

Journal:

Year:

2003

File:

PDF, 49 KB

2003

25

ChemInform Abstract: Rare-Earth Activated Nitride Phosphors: Synthesis, Luminescence and Applications

Rong-Jun Xie, Naoto Hirosaki, Yuanqiang Li, Takashi Takeda

Journal:

Year:

2010

File:

PDF, 15 KB

2010

26

Thickness dependence of impact damage behavior in silicon nitride ceramic

Yoshio Akimune, Toru Akiba, Naoto Hirosaki, Toshio Ogasawara

Journal:

Journal of the European Ceramic Society

Year:

1993

Language:

english

File:

PDF, 648 KB

english, 1993

27

A comparative ab initio study of the ‘ideal’ strength of single crystal α- and β-Si3N4

Shigenobu Ogata, Naoto Hirosaki, Cenk Kocer, Yoji Shibutani

Journal:

Acta Materialia

Year:

2004

Language:

english

File:

PDF, 223 KB

english, 2004

28

Superplastic deformation of nano-sized silicon nitride ceramics

Xin Xu, Toshiyuki Nishimura, Naoto Hirosaki, Rong-Jun Xie, Yoshinobu Yamamoto, Hidehiko Tanaka

Journal:

Acta Materialia

Year:

2006

Language:

english

File:

PDF, 740 KB

english, 2006

29

Fracture toughness of hot-pressed Lu2Si2O7–Si3N4 and Lu4Si2O7N2–Si3N4 ceramics and correlation to microstructure and grain-boundary phases

Shuqi Guo, Naoto Hirosaki, Yoshinobu Yamamoto, Toshiyuki Nishimura, Mamoru Mitomo

Journal:

Ceramics International

Year:

2004

Language:

english

File:

PDF, 366 KB

english, 2004

30

Uniaxial viscosity of low-temperature cofired ceramic (LTCC) powder compacts determined by loading dilatometry

Rong-Jun Xie, Ruzhong Zuo, Emil Aulbach, Uwe Mackens, Naoto Hirosaki, Jürgen Rödel

Journal:

Journal of the European Ceramic Society

Year:

2005

Language:

english

File:

PDF, 252 KB

english, 2005

31

A ternary compound additive for vacuum densification of β-silicon carbide at low temperature

Jin-Seok Lee, Sea-Hoon Lee, Toshiyuki Nishimura, Naoto Hirosaki, Hidehiko Tanaka

Journal:

Journal of the European Ceramic Society

Year:

2009

Language:

english

File:

PDF, 547 KB

english, 2009

32

Synthesis, characterization, and luminescent properties of Lu2O3:Eu phosphors

Xue-Jian Liu, Hui-Li Li, Rong-Jun Xie, Naoto Hirosaki, Xin Xu, Li-Ping Huang

Journal:

Journal of Luminescence

Year:

2007

Language:

english

File:

PDF, 654 KB

english, 2007

33

Photoluminescence of (Ba1−xEux)Si6N8O (0.005≤x≤0.2) phosphors

Rong-Jun Xie, Naoto Hirosaki, Yuanqiang Li, Takashi Takeda

Journal:

Journal of Luminescence

Year:

2010

Language:

english

File:

PDF, 496 KB

english, 2010

34

Silicon-based oxynitride and nitride phosphors for white LEDs—A review

Rong-Jun Xie, Naoto Hirosaki

Journal:

Science and Technology of Advanced Materials

Year:

2007

Language:

english

File:

PDF, 1.28 MB

english, 2007

35

Crystal, electronic and luminescence properties of Eu2+-doped Sr2Al2−xSi1+xO7−xNx

Yuan Qiang Li, Naoto Hirosaki, Rong-Jun Xie, Mamoru Mitomo

Journal:

Science and Technology of Advanced Materials

Year:

2007

Language:

english

File:

PDF, 733 KB

english, 2007

36

Nano Ceramics Center, National Institute for Materials Science

Yoshio Sakka, Hidehiko Tanaka, Naoto Hirosaki, Keijiro Hiraga, Takamasa Ishigaki, Satoru Inoue

Journal:

Science and Technology of Advanced Materials

Year:

2007

Language:

english

File:

PDF, 2.06 MB

english, 2007

37

Creep and stress-rupture behavior of Y2O3–Nd2O3-doped silicon nitrides with different additive contents

Jian-Wu Cao, Akira Okada, Naoto Hirosaki

Journal:

Journal of the European Ceramic Society

Year:

2002

Language:

english

File:

PDF, 422 KB

english, 2002

38

Tensile creep behavior of a ytterbium silicon oxynitride–silicon nitride ceramic

Jian-Wu Cao, Akira Okada, Naoto Hirosaki

Journal:

Journal of the European Ceramic Society

Year:

2002

Language:

english

File:

PDF, 279 KB

english, 2002

39

Oxidation behavior of liquid-phase sintered SiC with AlN and Er2O3 additives between 1200 °C and 1400 °C

Shuqi Guo, Naoto Hirosaki, Hidehiko Tanaka, Yoshinobu Yamamoto, Toshiyuki Nishimura

Journal:

Journal of the European Ceramic Society

Year:

2003

Language:

english

File:

PDF, 410 KB

english, 2003

40

Effect of seeding on the thermal conductivity of self-reinforced silicon nitride

Naoto Hirosaki, Yusuke Okamoto, Fumio Munakata, Yoshio Akimune

Journal:

Journal of the European Ceramic Society

Year:

1999

Language:

english

File:

PDF, 718 KB

english, 1999

41

Optical properties of excitation spectra of (Ca,Y)-α-SiAlON:Eu yellow phosphors

Ken Sakuma, Naoto Hirosaki, Rong-Jun Xie, Yoshinobu Yamamoto, Takayuki Suehiro

Journal:

physica status solidi (c)

Year:

2006

Language:

english

File:

PDF, 352 KB

english, 2006

42

Impact damage behaviour of CVD-coated silicon nitride for gas turbines

Yoshio Akimune, Toru Akiba, Naoto Hirosaki, Takao Izumi

Journal:

Journal of Materials Science

Year:

1994

Language:

english

File:

PDF, 1.60 MB

english, 1994

43

Effect of additive-oxide amount on sintering of Si3N4with Y2O3and Nd2O3

Naoto Hirosaki, Akira Okada

Journal:

Journal of Materials Science

Year:

1992

Language:

english

File:

PDF, 1.52 MB

english, 1992

44

Mechanical properties of SiC-particle/sialon composites

Yoshio Akimune, Naoto Hirosaki, Toshio Ogasawara

Journal:

Journal of Materials Science Letters

Year:

1991

Language:

english

File:

PDF, 1.18 MB

english, 1991

45

Effect of oxide addition on the sintering and high-temperature strength of Si3N4containing Y2O3

Naoto Hirosaki, Akira Okada, Mamoru Mitomo

Journal:

Journal of Materials Science

Year:

1990

Language:

english

File:

PDF, 680 KB

english, 1990

46

Effects of microstructure on the R-curve behaviour of sintered silicon nitride

Akira Okada, Naoto Hirosaki

Journal:

Journal of Materials Science

Year:

1990

Language:

english

File:

PDF, 1.99 MB

english, 1990

47

Properties of hot-pressed barium-doped SiC

Tosikazu Sakai, Naoto Hirosaki

Journal:

Journal of Materials Science Letters

Year:

1986

Language:

english

File:

PDF, 129 KB

english, 1986

48

Oxynitride/nitride phosphors for white light-emitting diodes (LEDs)

Rong-Jun Xie, Naoto Hirosaki, Mamoru Mitomo

Journal:

Journal of Electroceramics

Year:

2008

Language:

english

File:

PDF, 182 KB

english, 2008

49

Luminescence properties of SrSi6N8:Eu2+

Kousuke Shioi, Naoto Hirosaki, Rong-Jun Xie, Takashi Takeda, YuanQiang Li

Journal:

Journal of Materials Science

Year:

2008

Language:

english

File:

PDF, 333 KB

english, 2008

50

Photoluminescence and thermal stability of yellow-emitting Sr-α-SiAlON:Eu2+phosphor

Kousuke Shioi, Naoto Hirosaki, Rong-Jun Xie, Takashi Takeda, Yuan Qiang Li

Journal:

Journal of Materials Science

Year:

2010

Language:

english

File:

PDF, 538 KB

english, 2010

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