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Title: Rate dependence, polarization, and light sensitivity of neutron-irradiated scCVD diamond sensors

Abstract

We study the dependence of the charge-collection-efficiency, or CCE, on the rate of charged particles impinging on neutron-irradiated single-crystal Chemical-Vapor-Deposition (scCVD) diamond sensors. These effects are not observed in un-irradiated high quality scCVD sensors. The rate dependence appears to be associated with the build-up of an electric field opposing the applied charge-collection field in the sensor. We find that exposure of the detector to red or near-IR light reverses this effect on the CCE during operation.

Authors:
 [1];  [1];  [1];  [1];  [2];  [2]
  1. Univ. of Colorado, Boulder, CO (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Univ. of Colorado, Boulder, CO (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1534154
Alternate Identifier(s):
OSTI ID: 1397710
Grant/Contract Number:  
SC0006963
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 838; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; diamond detector; radiation damage; polarization; optoelectronic properties

Citation Formats

Bentele, B., Cumalat, J. P., Schaeffer, D., Wagner, S. R., Riley, G., and Spanier, S. Rate dependence, polarization, and light sensitivity of neutron-irradiated scCVD diamond sensors. United States: N. p., 2016. Web. doi:10.1016/j.nima.2016.06.113.
Bentele, B., Cumalat, J. P., Schaeffer, D., Wagner, S. R., Riley, G., & Spanier, S. Rate dependence, polarization, and light sensitivity of neutron-irradiated scCVD diamond sensors. United States. https://doi.org/10.1016/j.nima.2016.06.113
Bentele, B., Cumalat, J. P., Schaeffer, D., Wagner, S. R., Riley, G., and Spanier, S. Thu . "Rate dependence, polarization, and light sensitivity of neutron-irradiated scCVD diamond sensors". United States. https://doi.org/10.1016/j.nima.2016.06.113. https://www.osti.gov/servlets/purl/1534154.
@article{osti_1534154,
title = {Rate dependence, polarization, and light sensitivity of neutron-irradiated scCVD diamond sensors},
author = {Bentele, B. and Cumalat, J. P. and Schaeffer, D. and Wagner, S. R. and Riley, G. and Spanier, S.},
abstractNote = {We study the dependence of the charge-collection-efficiency, or CCE, on the rate of charged particles impinging on neutron-irradiated single-crystal Chemical-Vapor-Deposition (scCVD) diamond sensors. These effects are not observed in un-irradiated high quality scCVD sensors. The rate dependence appears to be associated with the build-up of an electric field opposing the applied charge-collection field in the sensor. We find that exposure of the detector to red or near-IR light reverses this effect on the CCE during operation.},
doi = {10.1016/j.nima.2016.06.113},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 838,
place = {United States},
year = {Thu Jun 30 00:00:00 EDT 2016},
month = {Thu Jun 30 00:00:00 EDT 2016}
}

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