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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
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 (0.01 seconds)| 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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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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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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