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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 31 to 40 of 114 (0.086 seconds)Spelling suggestions: "subject:"positron annihilation."" "subject:"ositron annihilation.""
| 31 |
Positron lifetime study of Zn-doped GaSb /Lui, Mei-ki, Pattie. January 2001 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2002. / Includes bibliographical references.
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| 32 |
Theory of Positron Annihilation in Sodium, Aluminum and Argon.Salvadori, Antonio 10 1900 (has links)
<p> This work is concerned with the calculation of the angular correlation curves and the lifetime of positrons annihilating in Sodium, Aluminum and Argon. The Carbotte-Kahana theory is developed using orthogonalized plane waves to represent conduction states. The theory is put in a computational form and techniques, which reduce the computational labour to a manageable level are developed for its practical evaluation. Results are obtained for the electron core contribution in Sodium and Aluminum whilst for Sodium a lattice contribution is also attempced. The core theory is applied to Argon with a limiting approximation and results are obtained in a first order perturbation theory approximation. The calculations are compared to experiment with a satisfactory result. </p> / Thesis / Doctor of Philosophy (PhD)
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| 33 |
A novel design of a variable energy positron lifetime beamChen, Dan, 陳丹 January 2007 (has links)
published_or_final_version / abstract / Physics / Master / Master of Philosophy
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| 34 |
The temperature dependence of positronium formation in high density polyethyleneNahid, Farzana. January 2008 (has links)
published_or_final_version / abstract / Physics / Doctoral / Doctor of Philosophy
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| 35 |
Positron annihilation spectroscopic studies of undoped n-type zinc oxide single crystalHui, Chun-wai., 許俊偉. January 2006 (has links)
published_or_final_version / abstract / Physics / Master / Master of Philosophy
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| 36 |
The focusing of the HKU positron beam, and an extended design for incorporating secondary electron-positron annihilation lifetimespectroscopyKwan, Pui-ying, Rebecca., 關珮瑩. January 2006 (has links)
published_or_final_version / abstract / Physics / Doctoral / Doctor of Philosophy
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| 37 |
Use of the Richardson-Lucy algorithm in analyzing positron annihilation spectroscopy dataYu, Dapeng., 于大鵬. January 2006 (has links)
published_or_final_version / abstract / Physics / Master / Master of Philosophy
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| 38 |
All-electron and full-potential positron annihilation calculations forintrinsic and defective zinc and zinc oxideZhou, Taojun., 周濤俊. January 2007 (has links)
published_or_final_version / abstract / Physics / Doctoral / Doctor of Philosophy
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| 39 |
Use of the Richardson-Lucy algorithm in analyzing positron annihilation spectroscopy data /Yu, Dapeng. January 2006 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2007. / Also available online.
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| 40 |
Positron annihilation spectroscopic studies of undoped n-type zinc oxide single crystalHui, Chun-wai. January 2006 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2007. / Title proper from title frame. Also available in printed format.
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