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A Positron Annihilation Study Of Vacancy Recovery In Quenched Single Crystals Of Al 12 X 10 2 At Percent In
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Book Synopsis A positron annihilation study of vacancy recovery in quenched single crystals of al-1.2 x 10-2 at. percent in by : G. M. Hood
Download or read book A positron annihilation study of vacancy recovery in quenched single crystals of al-1.2 x 10-2 at. percent in written by G. M. Hood and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron annihilation studies of quenching and recovery of single crystals of a1 and a1 - 0.015 at. percent mn by : G. M. Hood
Download or read book Positron annihilation studies of quenching and recovery of single crystals of a1 and a1 - 0.015 at. percent mn written by G. M. Hood and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Annihilation by : A.T. Steward
Download or read book Positron Annihilation written by A.T. Steward and published by Elsevier. This book was released on 2012-12-02 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: Positron Annihilation focuses on the process of positron annihilation in different environments. Partitioned into two parts with 42 chapters, the book contains the contributions of authors who have done research on the annihilation of positrons, which brought about valuable information on the properties of matter. The first part of the book deals with lengthy review articles, including a survey of the physics of positron annihilation; positron annihilation in metals and the theory involved in the process; and positron annihilation in alkali halides and ionic crystals. Positronium formation and interaction in gases, molecular substances, and ionic crystals are also given attention. Gaseous positronics and positron annihilation in condensed gases and liquids are also discussed. The second part of the book focuses on developments on positron annihilation and the direction of research on this field. The studies concentrate on positron annihilation in various crystals, metals, mercury, liquefied gases, helium, and metal oxides. Numerical representations and analyses are presented to support the processes involved. The book can best serve the interest of those who want to explore further the annihilation of positrons.
Download or read book Metals Abstracts Index written by and published by . This book was released on 1973 with total page 1646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1983 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1992 with total page 1592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1995 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recovery of electron irradiated alpha-ti single crystals - a positron annihilation study by : G. M. Hood
Download or read book Recovery of electron irradiated alpha-ti single crystals - a positron annihilation study written by G. M. Hood and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book World Aluminum Abstracts written by and published by . This book was released on 1972 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1971 with total page 1330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Defect recovery in electron-irradiated alpha-zr single crystals : a positron annihilation study by : G. M. Hood
Download or read book Defect recovery in electron-irradiated alpha-zr single crystals : a positron annihilation study written by G. M. Hood and published by . This book was released on 1988 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Annihilation Spectroscopic Studies of Undoped N-Type Zinc Oxide Single Crystal by : Chun-Wai Hui
Download or read book Positron Annihilation Spectroscopic Studies of Undoped N-Type Zinc Oxide Single Crystal written by Chun-Wai Hui and published by . This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Positron Annihilation Spectroscopic Studies of Undoped N-type Zinc Oxide Single Crystal" by Chun-wai, Hui, 許俊偉, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled POSITRON ANNIHILATION SPECTROSCOPIC STUDIES OF UNDOPED N-TYPE ZINC OXIDE SINGLE CRYSTAL submitted by HUI CHUN WAI for the Degree of Master of Philosophy at The University of Hong Kong in August 2006 Positron lifetime spectroscopy and coincidence Doppler broadening spectroscopy (CDBS) were used to study the defects in two pieces of hydrothermal (HT) grown ZnO single crystal samples (HT1 and HT2) obtained from two different companies, namely University Wafer, US, and MaTecK, Germany. Single component model could offer good fitting to the lifetime spectra of HT1 and HT2 at temperatures ranging from 25K to 285K. The room temperature positron lifetimes of HT1 and HT2 were found to be 191ps and 181 ps, respectively. The observation was associated with saturated positron trapping into two different Zn-vacancy related defects existing in the two samples. For HT1, the lifetime was observed to be temperature independent. However for HT2, the lifetime had constant value with temperature higher than 200K. It then decreased with decreasing temperature and reached the value of 172ps at 30K. This temperature dependence of lifetime could be explained by the presence of an additional positron shallow trap. Positron-electron autocorrelation function (AF) was extracted from the CDBS spectra. The obtained AF mappings of HT1 and HT2 at room temperature confirmed that the defects existing in HT1 and HT2 should have different microstructures. Positron lifetime spectroscopy was also performed on undoped pressurized melted grown n-type ZnO single crystal. Two-component model was required to give good description to the lifetime spectra. The two lifetime components were found to have temperature independent values of 181ps and 366ps, which were attributed to saturated positron trapping into two defects, V related defect and vacancy cluster respectively. Zn DOI: 10.5353/th_b3857339 Subjects: Positron annihilation Zinc oxide Compound semiconductors - Spectra
Book Synopsis Positron Annihilation by : Alec Thompson Stewart
Download or read book Positron Annihilation written by Alec Thompson Stewart and published by . This book was released on 1967 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The recovery of single crystal alpha-zr from low temperature electron irradiation - a positron annihilation spectroscopy study by : G. M. Hood
Download or read book The recovery of single crystal alpha-zr from low temperature electron irradiation - a positron annihilation spectroscopy study written by G. M. Hood and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Annihilation in Semiconductors by : Reinhard Krause-Rehberg
Download or read book Positron Annihilation in Semiconductors written by Reinhard Krause-Rehberg and published by Springer. This book was released on 1999-01-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book reports on recent investigations of lattice imperfections in semiconductors by means of positron annihilation. It reviews positron techniques, and describes the application of these techniques to various kinds of defects, such as vacancies, impurity vacancy complexes and dislocations.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1967 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evolution of Vacancy-type Defects in Semiconductors by : Dana A. Al-Abdulmalik
Download or read book Evolution of Vacancy-type Defects in Semiconductors written by Dana A. Al-Abdulmalik and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
