| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| IEICE-EID, IDY, SID-JC, IEIJ-SSL, IEE-EDD |
2025-01-23
14:15 |
Shizuoka |
|
[Poster Presentation]
Luminescent properties of Zn(Ga1-xInx)2O4:Cr3+ far-red phosphor powders and thin films
Akihisa Yamasaki, Misuke Maruyama, Koutoku Ohmi (Tottori Univ.) |
The luminescent properties of ZnGa2O4:Cr3+ far-red phosphors were investigated by In addition. In the phosphor powder sa... [more] |
|
| IEICE-EID, IDY, SID-JC, IEIJ-SSL, IEE-EDD |
2025-01-23
14:35 |
Shizuoka |
|
[Poster Presentation]
Effects of charge compensators (Li, Na, K, Ni) for near-infrared Ca₂GeO₄:Mn⁵⁺ bio-imaging phosphors
Konan Taniguchi, Yuki Imai (Tottori Univ.), Masatoshi Ishida (Tokyo Metropolitan Univ.), Koutoku Ohmi (Tottori Univ.) |
In order to improve the luminescence properties of Ca2GeO4:Mn5+ as a near-infrared phosphor for biological imaging, the ... [more] |
|
| IEICE-EID, IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2024-01-25
13:35 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Luminescence and electrical properties of far-red ZnGa2O4:Cr3+ posphor thin films
-- Improvement in luminescent characteristics by In addition --
Ryota Hourai, Akihisa Yamasaki, Koutoku Ohmi (Tottori Univ.) |
The luminescent properties of ZnGa2O4:Cr3+ far-red phosphors were investigated by In addition. In the phosphor powder sa... [more] |
|
| IDY, SID-JC |
2023-03-17
16:40 |
Online |
online |
[Invited Talk]
Development of transparent photoluminescence materials and their application to LEDs, security and sensing
-- Novel Eu(III) complexes and their photoluminescence properties --
Hiroki Iwanaga (Toshiba) |
Now, red phosphors with large photoluminescence intensity and high color purity are required for display use. And red tr... [more] |
IDY2023-24
pp.49-53 |
| IDY, IEIJ-SSL, IEICE-EID, SID-JC, IEE-EDD [detail] |
2023-01-27
14:25 |
Online |
|
Improvement of Photoluminescent Characteristics by Post Annealing in O3 atmosphere for Y4Si2O7N2:Eu3+ Red Phosphors
Rentaro Furuie, Hiroki Shinoda (TU), Takashi Kunimoto (Tokushima Bunri), Koutoku Ohmi (TU) |
A low-temperature post-annealing in O3 atmosphere has been attempted to enhance the Eu3+ activation for Y4Si2O7N2:Eu3+ r... [more] |
IDY2023-9
pp.33-36 |
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
13:50 |
Tottori |
Tottori Univ |
[Poster Presentation]
Investigation of correlation between PL temperature characteristics and charge transfer state (CTS) in Eu3+ activated red multi-anion compound phosphors
Misa Kawashima, Ken Kinoshita, Takuya Sohma, Kodai Nakamoto, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokushima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Eu3+ activated red multi-anion compound phosphors, such as Y4Si2O7N2:Eu3+ (YSON), La2O3:Eu3+ (LO) and LaOF:Eu3+ (LOF), h... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:00 |
Tottori |
Tottori Univ |
[Poster Presentation]
Excitation and luminescent characteristics LaSiO2N:Eu red phosphors synthesized in NH3
KenKinoshita, Misa Kawashima, Takuya Sohma, Tadashi Ishigaki (Tottori Univ.), Takashi Kunimoto (Tokusima Bunri Univ.), Koutoku Ohmi (Tottori Univ.) |
Red Phosphor LaSiO2N:Eu has been synthesized in NH3 atmosphere. The synthesized sample shows a red emission due to Eu3+ ... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-23
14:10 |
Tottori |
Tottori Univ |
[Poster Presentation]
Mn5+ activated M2AO4 (M = Ca, Sr, Ba, A = Si, Ge) near-infrared phosphors
Shoto Tanaka, Tadashi Ishigaki, Yutaro Zaima, Kohei Matsubara, Yudai Nitta, Koutoku Ohmi (Tottori Univ.) |
M2AO4:Mn5+ (M = Ca, Sr, Ba, A = Si, Ge) phosphors have been synthesized by solid-state reaction method. Their crystallog... [more] |
|
| IDY, IEICE-EID, IEIJ-SSL, SID-JC, IEE-EDD [detail] |
2020-01-24
11:05 |
Tottori |
Tottori Univ |
[Poster Presentation]
Influence of Bi codoping to excitation characteristics in tetragonal Mg2TiO4:Mn4+ deep red phosphors
Motoshi Suhama, Yusuke Ueno, Tadashi Ishigaki, Koutoku Ohmi (Tottori Univ.) |
In this study, the Bi3+ codoping to Mg2TiO4:Mn4+ has been attempted. In addition, a low temperature annealing at 625°C f... [more] |
|
| IEICE-EID, IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2016-01-29
10:28 |
Toyama |
Toyama Univ. |
Synthesis and Luminescence Properties of Mn4+-activated Red-emitting Phosphor
Takuya Hasegawa, Tsubasa Yoshizawa, Hiromi Mizobuchi, Sun-Woog Kim, Kazuyoshi Uematsu, Kenji Toda, Mineo Sato (Niigata Univ.) |
Red-emitting La2MgGeO6:Mn4+ and α-Al2O3:Mn4+ phosphors were synthesized by a polymerized complex method and a novel flux... [more] |
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