Dose dependence of x-ray luminescence from Ca F2: Eu2+, Mn2+ phosphors

Wei Chen; Sarah L. Westcott; Jun Zhang

doi:10.1063/1.2816330

Dose dependence of x-ray luminescence from Ca F2: Eu2+, Mn2+ phosphors

Wei Chen^*, Sarah L. Westcott, Jun Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

In Ca F2: Mn2+, Eu2+, the emission from Eu2+ decreases while the emission from Mn2+ increases in intensity as the x-ray duration time increases. The decrease of Eu2+ emission is due to the oxidation of Eu2+ to Eu3+ upon x-ray irradiation, while the increase of Mn2+ emission in intensity is likely due to the breakdown of the forbidden transition by the defects. This phenomenon has potential for dose-dependent radiation detection because utilizing the ratio of the two emissions from Mn2+ and Eu2+ for radiation dosimetry is more sensitive and more reliable than using emission intensity change only.

Original language	English
Article number	211103
Journal	Applied Physics Letters
Volume	91
Issue number	21
DOIs	https://doi.org/10.1063/1.2816330
Publication status	Published - 2007
Externally published	Yes

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title = "Dose dependence of x-ray luminescence from Ca F2: Eu2+, Mn2+ phosphors",

abstract = "In Ca F2: Mn2+, Eu2+, the emission from Eu2+ decreases while the emission from Mn2+ increases in intensity as the x-ray duration time increases. The decrease of Eu2+ emission is due to the oxidation of Eu2+ to Eu3+ upon x-ray irradiation, while the increase of Mn2+ emission in intensity is likely due to the breakdown of the forbidden transition by the defects. This phenomenon has potential for dose-dependent radiation detection because utilizing the ratio of the two emissions from Mn2+ and Eu2+ for radiation dosimetry is more sensitive and more reliable than using emission intensity change only.",

author = "Wei Chen and Westcott, {Sarah L.} and Jun Zhang",

year = "2007",

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language = "English",

volume = "91",

journal = "Applied Physics Letters",

issn = "0003-6951",

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TY - JOUR

T1 - Dose dependence of x-ray luminescence from Ca F2

T2 - Eu2+, Mn2+ phosphors

AU - Chen, Wei

AU - Westcott, Sarah L.

AU - Zhang, Jun

PY - 2007

Y1 - 2007

N2 - In Ca F2: Mn2+, Eu2+, the emission from Eu2+ decreases while the emission from Mn2+ increases in intensity as the x-ray duration time increases. The decrease of Eu2+ emission is due to the oxidation of Eu2+ to Eu3+ upon x-ray irradiation, while the increase of Mn2+ emission in intensity is likely due to the breakdown of the forbidden transition by the defects. This phenomenon has potential for dose-dependent radiation detection because utilizing the ratio of the two emissions from Mn2+ and Eu2+ for radiation dosimetry is more sensitive and more reliable than using emission intensity change only.

AB - In Ca F2: Mn2+, Eu2+, the emission from Eu2+ decreases while the emission from Mn2+ increases in intensity as the x-ray duration time increases. The decrease of Eu2+ emission is due to the oxidation of Eu2+ to Eu3+ upon x-ray irradiation, while the increase of Mn2+ emission in intensity is likely due to the breakdown of the forbidden transition by the defects. This phenomenon has potential for dose-dependent radiation detection because utilizing the ratio of the two emissions from Mn2+ and Eu2+ for radiation dosimetry is more sensitive and more reliable than using emission intensity change only.

UR - http://www.scopus.com/inward/record.url?scp=36348986045&partnerID=8YFLogxK

U2 - 10.1063/1.2816330

DO - 10.1063/1.2816330

M3 - Article

AN - SCOPUS:36348986045

SN - 0003-6951

VL - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 21

M1 - 211103

ER -

Dose dependence of x-ray luminescence from Ca F2: Eu2+, Mn2+ phosphors

Abstract

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