Development of highly efficient and high speed X-ray detectors using modern nanomaterials

Marian Cholewa, Shu Ping Lau, Gao Xingyu, Andrew Thye Shen Wee, Wojciech Polak, Janusz Lekki, Zbigniew Stachura, Herbert O. Moser

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

The secondary electron emission (SEE) yield of heterostructures of ZnO nanoneedles coaxially coated with AlN or GaN has been studied for the first time using electron, ion, and X-ray beams. The SEE yield of the heterostructures is enhanced significantly by the intrinsic nanostructure of the ZnO nanoneedle templates as compared to the AlN and GaN thin films on Si substrates. These findings open up a way to develop new universal highly efficient radiation detectors based on the SEE principle by incorporating these one-dimensional (1D) nanostructures as a material of choice.
Original languageEnglish
Title of host publicationSYNCHROTRON RADIATION INSTRUMENTATION
Subtitle of host publicationNinth International Conference on Synchrotron Radiation Instrumentation
Pages1097-1100
Number of pages4
Volume879
DOIs
Publication statusPublished - 26 Mar 2007
Externally publishedYes
EventSYNCHROTRON RADIATION INSTRUMENTATION: 9th International Conference on Synchrotron Radiation Instrumentation - Daegu, Korea, Republic of
Duration: 28 May 200628 Jun 2006

Conference

ConferenceSYNCHROTRON RADIATION INSTRUMENTATION: 9th International Conference on Synchrotron Radiation Instrumentation
CountryKorea, Republic of
CityDaegu
Period28/05/0628/06/06

Keywords

  • Nanomaterials
  • Secondary electron emission
  • X-ray detector

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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