Luminescence and decay kinetics of Pb2+ center in LiCaAlF6 single crystal host

Jan Pejchal; Eva Mihokova; Martin Nikl; Andrey Novoselov; Akira Yoshikawa

doi:10.1016/j.optmat.2009.04.005

Luminescence and decay kinetics of Pb²⁺ center in LiCaAlF₆ single crystal host

Jan Pejchal, Eva Mihokova, Martin Nikl, Andrey Novoselov, Akira Yoshikawa

金属材料研究所・材料設計研究部

研究成果: Article › 査読

17 被引用数 (Scopus)

抄録

The Pb-doped LiCaAlF₆ single crystals were grown using the micro-pulling-down method. The temperature dependences of photoluminescence characteristics were studied to reveal the kinetic processes in the excited state of Pb²⁺ luminescence center. A simple three-level phenomenological model applied to the decay time temperature dependences shows that energy separation between the metastable ³P₀ and the radiative ³P₁ states of Pb²⁺ center is relatively high, about 180 meV (∼1470 cm^-1). Induced absorption spectrum after UV illumination at 500 K points to slight ionization of the Pb²⁺ excited state and creation of the color F-center with an absorption peak located around 260 nm.

本文言語	English
ページ（範囲）	1673-1677
ページ数	5
ジャーナル	Optical Materials
巻	31
号	11
DOI	https://doi.org/10.1016/j.optmat.2009.04.005
出版ステータス	Published - 2009 9月

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
コンピュータサイエンス（全般）
原子分子物理学および光学
分光学
物理化学および理論化学
有機化学
無機化学
電子工学および電気工学

文献へのアクセス

10.1016/j.optmat.2009.04.005

他のファイルとリンク

引用スタイル

@article{b82fb401aa334b53872e164e3e27da24,

title = "Luminescence and decay kinetics of Pb2+ center in LiCaAlF6 single crystal host",

abstract = "The Pb-doped LiCaAlF6 single crystals were grown using the micro-pulling-down method. The temperature dependences of photoluminescence characteristics were studied to reveal the kinetic processes in the excited state of Pb2+ luminescence center. A simple three-level phenomenological model applied to the decay time temperature dependences shows that energy separation between the metastable 3P0 and the radiative 3P1 states of Pb2+ center is relatively high, about 180 meV (∼1470 cm-1). Induced absorption spectrum after UV illumination at 500 K points to slight ionization of the Pb2+ excited state and creation of the color F-center with an absorption peak located around 260 nm.",

keywords = "Doping, Micro-pulling-down, Neutron detectors, Scintillator materials",

author = "Jan Pejchal and Eva Mihokova and Martin Nikl and Andrey Novoselov and Akira Yoshikawa",

note = "Funding Information: This work was partially supported by the Ministry of Education, Culture, Sports, Science, and Technology of Japan, Grant-in-Aid for Young Scientists (A), 19686001, 2007, as well as the Granti-in-Aid of the Ministry of Health, Labour and Welfare of Japan. Financial support of Japan Society for the Promotion of Science (JSPS) Bilateral Joint Projects (Japan and Czech Republic) is also greatly appreciated. Financial support of Czech MSMT projects ME953 and 1M06002 and the JSPS Postdoctoral Fellowship for Foreign Researchers Program P08055 is also gratefully acknowledged.",

year = "2009",

month = sep,

doi = "10.1016/j.optmat.2009.04.005",

language = "English",

volume = "31",

pages = "1673--1677",

journal = "Optical Materials",

issn = "0925-3467",

publisher = "Elsevier",

number = "11",

}

TY - JOUR

T1 - Luminescence and decay kinetics of Pb2+ center in LiCaAlF6 single crystal host

AU - Pejchal, Jan

AU - Mihokova, Eva

AU - Nikl, Martin

AU - Novoselov, Andrey

AU - Yoshikawa, Akira

N1 - Funding Information: This work was partially supported by the Ministry of Education, Culture, Sports, Science, and Technology of Japan, Grant-in-Aid for Young Scientists (A), 19686001, 2007, as well as the Granti-in-Aid of the Ministry of Health, Labour and Welfare of Japan. Financial support of Japan Society for the Promotion of Science (JSPS) Bilateral Joint Projects (Japan and Czech Republic) is also greatly appreciated. Financial support of Czech MSMT projects ME953 and 1M06002 and the JSPS Postdoctoral Fellowship for Foreign Researchers Program P08055 is also gratefully acknowledged.

PY - 2009/9

Y1 - 2009/9

N2 - The Pb-doped LiCaAlF6 single crystals were grown using the micro-pulling-down method. The temperature dependences of photoluminescence characteristics were studied to reveal the kinetic processes in the excited state of Pb2+ luminescence center. A simple three-level phenomenological model applied to the decay time temperature dependences shows that energy separation between the metastable 3P0 and the radiative 3P1 states of Pb2+ center is relatively high, about 180 meV (∼1470 cm-1). Induced absorption spectrum after UV illumination at 500 K points to slight ionization of the Pb2+ excited state and creation of the color F-center with an absorption peak located around 260 nm.

AB - The Pb-doped LiCaAlF6 single crystals were grown using the micro-pulling-down method. The temperature dependences of photoluminescence characteristics were studied to reveal the kinetic processes in the excited state of Pb2+ luminescence center. A simple three-level phenomenological model applied to the decay time temperature dependences shows that energy separation between the metastable 3P0 and the radiative 3P1 states of Pb2+ center is relatively high, about 180 meV (∼1470 cm-1). Induced absorption spectrum after UV illumination at 500 K points to slight ionization of the Pb2+ excited state and creation of the color F-center with an absorption peak located around 260 nm.

KW - Doping

KW - Micro-pulling-down

KW - Neutron detectors

KW - Scintillator materials

UR - http://www.scopus.com/inward/record.url?scp=69349093014&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=69349093014&partnerID=8YFLogxK

U2 - 10.1016/j.optmat.2009.04.005

DO - 10.1016/j.optmat.2009.04.005

M3 - Article

AN - SCOPUS:69349093014

VL - 31

SP - 1673

EP - 1677

JO - Optical Materials

JF - Optical Materials

SN - 0925-3467

IS - 11

ER -