Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers
The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulatio...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1991 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
|---|---|
| Übergeordnetes Werk: |
in: Journal of Luminescence - Amsterdam : Elsevier, 48-49(1991), Seite 481-484 |
| Übergeordnetes Werk: |
volume:48-49 ; year:1991 ; pages:481-484 |
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NLEJ180059033 |
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| 245 | 1 | 0 | |a Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers |
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| 520 | |a The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. | ||
| 533 | |f Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 | ||
| 700 | 1 | |a Yasuo Iwabuchi |4 oth | |
| 700 | 1 | |a Chiyuki Umemoto |4 oth | |
| 700 | 1 | |a Kenji Takahashi |4 oth | |
| 700 | 1 | |a Shigeo Shionoya |4 oth | |
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(DE-627)NLEJ180059033 (DE-599)GBVNLZ180059033 DE-627 ger DE-627 rakwb eng Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers 1991 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Yasuo Iwabuchi oth Chiyuki Umemoto oth Kenji Takahashi oth Shigeo Shionoya oth in Journal of Luminescence Amsterdam : Elsevier 48-49(1991), Seite 481-484 (DE-627)NLEJ177365013 (DE-600)1491401-3 0022-2313 nnns volume:48-49 year:1991 pages:481-484 http://linkinghub.elsevier.com/retrieve/pii/0022-2313(91)90174-T GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 48-49 1991 481-484 |
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(DE-627)NLEJ180059033 (DE-599)GBVNLZ180059033 DE-627 ger DE-627 rakwb eng Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers 1991 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Yasuo Iwabuchi oth Chiyuki Umemoto oth Kenji Takahashi oth Shigeo Shionoya oth in Journal of Luminescence Amsterdam : Elsevier 48-49(1991), Seite 481-484 (DE-627)NLEJ177365013 (DE-600)1491401-3 0022-2313 nnns volume:48-49 year:1991 pages:481-484 http://linkinghub.elsevier.com/retrieve/pii/0022-2313(91)90174-T GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 48-49 1991 481-484 |
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(DE-627)NLEJ180059033 (DE-599)GBVNLZ180059033 DE-627 ger DE-627 rakwb eng Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers 1991 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Yasuo Iwabuchi oth Chiyuki Umemoto oth Kenji Takahashi oth Shigeo Shionoya oth in Journal of Luminescence Amsterdam : Elsevier 48-49(1991), Seite 481-484 (DE-627)NLEJ177365013 (DE-600)1491401-3 0022-2313 nnns volume:48-49 year:1991 pages:481-484 http://linkinghub.elsevier.com/retrieve/pii/0022-2313(91)90174-T GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 48-49 1991 481-484 |
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(DE-627)NLEJ180059033 (DE-599)GBVNLZ180059033 DE-627 ger DE-627 rakwb eng Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers 1991 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Yasuo Iwabuchi oth Chiyuki Umemoto oth Kenji Takahashi oth Shigeo Shionoya oth in Journal of Luminescence Amsterdam : Elsevier 48-49(1991), Seite 481-484 (DE-627)NLEJ177365013 (DE-600)1491401-3 0022-2313 nnns volume:48-49 year:1991 pages:481-484 http://linkinghub.elsevier.com/retrieve/pii/0022-2313(91)90174-T GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 48-49 1991 481-484 |
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(DE-627)NLEJ180059033 (DE-599)GBVNLZ180059033 DE-627 ger DE-627 rakwb eng Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers 1991 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Yasuo Iwabuchi oth Chiyuki Umemoto oth Kenji Takahashi oth Shigeo Shionoya oth in Journal of Luminescence Amsterdam : Elsevier 48-49(1991), Seite 481-484 (DE-627)NLEJ177365013 (DE-600)1491401-3 0022-2313 nnns volume:48-49 year:1991 pages:481-484 http://linkinghub.elsevier.com/retrieve/pii/0022-2313(91)90174-T GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 48-49 1991 481-484 |
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Photostimulated luminescence process in BaFBr:Eu^2^+ containing F(Br^-) and F(F^-) centers |
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The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. |
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The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. |
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The excitation spectra of photostimulated luminescence (PSL) and photoconductivity (PSPC) in a BaFBr:Eu^2^+ single crystal are in good agreement with each other at 300 and 90K. The temperature dependences of the intensities of PSL and PSPC are measured precisely. It is found that the photostimulation process has a thermal activation energy of about 37 meV for F(Br^-) centers and about 1.3 meV for F(F^-) centers. It is concluded that in the PSL process, electrons trapped in F centers are first raised to the excited level of F centers by visible light and then thermally released to the conduction band, and that these electrons return to Eu^3^+ ions and the Eu^2^+ luminescence is stimulated. |
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