Studies of defects in the near-surface region and at interfaces using low energy positron beams

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Description

Positron Annihilation Spectroscopy (PAS) is a powerful probe to study open-volume defects in solids. Its success is due to the propensity of positrons to seek out low-density regions of a solid, such as vacancies and voids, and the emissions of gamma rays from their annihilations that carry information about the local electronic environment. The development of low-energy positron beams allows probing of defects to depths of few microns, and can successfully characterize defects in the near-surface and interface regions of several technologically important systems. This review focuses on recent studies conducted on semiconductor-based systems.

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7 p.

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Asoka-Kumar, P. November 1, 1995.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Asoka-Kumar, P. Brookhaven National Lab., Upton, NY (United States). Dept. of Physics

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Description

Positron Annihilation Spectroscopy (PAS) is a powerful probe to study open-volume defects in solids. Its success is due to the propensity of positrons to seek out low-density regions of a solid, such as vacancies and voids, and the emissions of gamma rays from their annihilations that carry information about the local electronic environment. The development of low-energy positron beams allows probing of defects to depths of few microns, and can successfully characterize defects in the near-surface and interface regions of several technologically important systems. This review focuses on recent studies conducted on semiconductor-based systems.

Physical Description

7 p.

Notes

INIS; OSTI as DE96002006

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  • Studies of defects in the near-surface region and at interfaces using low energy positron beams, Kalpakkam (India), 20-22 Sep 1995

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  • Other: DE96002006
  • Report No.: BNL--62223
  • Report No.: CONF-9509243--1
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 119999
  • Archival Resource Key: ark:/67531/metadc622452

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  • November 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 1, 2016, 4:07 p.m.

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Asoka-Kumar, P. Studies of defects in the near-surface region and at interfaces using low energy positron beams, article, November 1, 1995; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc622452/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.