Cathodoluminescence emission studies for selected phosphor-based sensor materials

S. M. Goedeke; W. A. Hollerman; S. W. Allison; P. A. Gray; L. A. Lewis; R. W. Smithwick; L. A. Boatner; D. C. Glasgow; I. N. Ivanov; H. Wise

doi:10.1109/TNS.2006.878576

Cathodoluminescence emission studies for selected phosphor-based sensor materials

S. M. Goedeke, W. A. Hollerman, S. W. Allison, P. A. Gray, L. A. Lewis, R. W. Smithwick, L. A. Boatner, D. C. Glasgow, I. N. Ivanov, H. Wise

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

10 Scopus citations

Abstract

The current interest in returning to the Moon and Mars by 2030 makes cost effective and low mass health monitoring sensors essential for spacecraft development. In space, there are many surface measurements that are required to monitor the condition of the spacecraft including: surface temperature, radiation dose, and impact. Through the use of phosphors, these conditions can be monitored. Practical space-based phosphor sensors will depend heavily upon research investigating the resistance of phosphors to ionizing radiation and the ability to anneal or self-heal from damage caused by ionizing radiation. The cathodoluminescence (CL) testing was performed using the low energy electron system located at the NASA Marshall Space Flight Center (MSFC) in Huntsville, Alabama. For the materials tested, several interesting results were observed. For most materials, increases in both beam energy and current density improved the CL fluorescence yield. It was also noted that YAG:Nd,Ce has the greatest near infrared intensity for any of the tested materials. The evaluation of dopant concentration in YPO₄ :Nd showed minimal differences in spectral shape and intensity. While the total electron dose was small, the intention was to maximize the number of irradiated materials.

Original language	English
Article number	1684117
Pages (from-to)	2398-2403
Number of pages	6
Journal	IEEE Transactions on Nuclear Science
Volume	53
Issue number	4
DOIs	https://doi.org/10.1109/TNS.2006.878576
State	Published - Aug 2006

Funding

Manuscript received November 11, 2005; revised April 1, 2006. This work was supported by a Grant from the Oak Ridge National Laboratory and the Louisiana State Board of Regents. S. M. Goedeke, S. W. Allison, L. A. Lewis, R. W. Smithwick III, L. A. Boatner, D. C. Glasgow, and I. N. Ivanov are with the Oak Ridge National Laboratory, Oak Ridge, TN 37831 USA (e-mail: [email protected]). W. A. Hollerman is with the Department of Physics, University of Louisiana, Lafayette, LA 70504 USA (e-mail: [email protected]). P. A. Gray and H. Wise are with the Integrated Concepts and Research Corporation, Huntsville, AL 35806 USA. Digital Object Identifier 10.1109/TNS.2006.878576

Keywords

Cathodoluminescence
Radiation damage
Yttrium phosphors

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10.1109/TNS.2006.878576

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title = "Cathodoluminescence emission studies for selected phosphor-based sensor materials",

abstract = "The current interest in returning to the Moon and Mars by 2030 makes cost effective and low mass health monitoring sensors essential for spacecraft development. In space, there are many surface measurements that are required to monitor the condition of the spacecraft including: surface temperature, radiation dose, and impact. Through the use of phosphors, these conditions can be monitored. Practical space-based phosphor sensors will depend heavily upon research investigating the resistance of phosphors to ionizing radiation and the ability to anneal or self-heal from damage caused by ionizing radiation. The cathodoluminescence (CL) testing was performed using the low energy electron system located at the NASA Marshall Space Flight Center (MSFC) in Huntsville, Alabama. For the materials tested, several interesting results were observed. For most materials, increases in both beam energy and current density improved the CL fluorescence yield. It was also noted that YAG:Nd,Ce has the greatest near infrared intensity for any of the tested materials. The evaluation of dopant concentration in YPO4 :Nd showed minimal differences in spectral shape and intensity. While the total electron dose was small, the intention was to maximize the number of irradiated materials.",

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AU - Smithwick, R. W.

AU - Boatner, L. A.

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AU - Ivanov, I. N.

AU - Wise, H.

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N2 - The current interest in returning to the Moon and Mars by 2030 makes cost effective and low mass health monitoring sensors essential for spacecraft development. In space, there are many surface measurements that are required to monitor the condition of the spacecraft including: surface temperature, radiation dose, and impact. Through the use of phosphors, these conditions can be monitored. Practical space-based phosphor sensors will depend heavily upon research investigating the resistance of phosphors to ionizing radiation and the ability to anneal or self-heal from damage caused by ionizing radiation. The cathodoluminescence (CL) testing was performed using the low energy electron system located at the NASA Marshall Space Flight Center (MSFC) in Huntsville, Alabama. For the materials tested, several interesting results were observed. For most materials, increases in both beam energy and current density improved the CL fluorescence yield. It was also noted that YAG:Nd,Ce has the greatest near infrared intensity for any of the tested materials. The evaluation of dopant concentration in YPO4 :Nd showed minimal differences in spectral shape and intensity. While the total electron dose was small, the intention was to maximize the number of irradiated materials.

AB - The current interest in returning to the Moon and Mars by 2030 makes cost effective and low mass health monitoring sensors essential for spacecraft development. In space, there are many surface measurements that are required to monitor the condition of the spacecraft including: surface temperature, radiation dose, and impact. Through the use of phosphors, these conditions can be monitored. Practical space-based phosphor sensors will depend heavily upon research investigating the resistance of phosphors to ionizing radiation and the ability to anneal or self-heal from damage caused by ionizing radiation. The cathodoluminescence (CL) testing was performed using the low energy electron system located at the NASA Marshall Space Flight Center (MSFC) in Huntsville, Alabama. For the materials tested, several interesting results were observed. For most materials, increases in both beam energy and current density improved the CL fluorescence yield. It was also noted that YAG:Nd,Ce has the greatest near infrared intensity for any of the tested materials. The evaluation of dopant concentration in YPO4 :Nd showed minimal differences in spectral shape and intensity. While the total electron dose was small, the intention was to maximize the number of irradiated materials.

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Cathodoluminescence emission studies for selected phosphor-based sensor materials

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