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Prevacancy Effects In Metals Observed By Positron Annihilation
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Book Synopsis Prevacancy Effects in Metals Observed by Positron Annihilation by :
Download or read book Prevacancy Effects in Metals Observed by Positron Annihilation written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The prevacancy effects sometimes observed in high-purity, well-annealed metals, are discussed. It is concluded that these effects are extrinsic and are most likely due to positron trapping in defects. The nature of the defects is discussed, and it is pointed out that the presence of dislocations in the samples could cause prevacancy effects.
Book Synopsis Low-temperature Effects in Metals as Observed by Positron Annihilation by :
Download or read book Low-temperature Effects in Metals as Observed by Positron Annihilation written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently published experimental positron annihilation data in metals have demonstrated exceptional temperature-dependent behavior in the prevacancy region. However, the magnitude of these effects seems at present to scatter widely among different observers. New lifetime and Doppler-broadening results for Au between 30 and 590°K are presented and compared to results obtained in other laboratories. Doppler-broadening results obtained for Cu in the temperature region 300 to 1310°K demonstrate that some temperature-dependent structure observed in the prevacancy region is related to the thermal history of the sample.
Book Synopsis Positron Annihilation by : Paul G. Coleman
Download or read book Positron Annihilation written by Paul G. Coleman and published by North Holland. This book was released on 1982 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Prevacancy Effects in Pure Annealed Metals by :
Download or read book Positron Prevacancy Effects in Pure Annealed Metals written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The low-temperature prevacancy effects sometimes observed with positrons in well-annealed high-purity metals are discussed. It is shown that these effects are not experimental artifacts, but are due to trapping of the positrons. It is suggested that dislocations are responsible for these trapping effects. 46 references, 5 figures.
Book Synopsis Positron Solid-state Physics by : Werner Brandt
Download or read book Positron Solid-state Physics written by Werner Brandt and published by North-Holland. This book was released on 1983 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Annihilation by : Zsolt Kajcsos
Download or read book Positron Annihilation written by Zsolt Kajcsos and published by . This book was released on 1992 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Purification Process and Characterization of Ultra High Purity Metals by : Yoshio Waseda
Download or read book Purification Process and Characterization of Ultra High Purity Metals written by Yoshio Waseda and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book starts with an extended introductory treatise on the fundamentals before moving on to a detailed description of the new methods of purification of transition metals and rare earth metals.
Download or read book Positron Annihilation written by and published by . This book was released on 1979 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positron Annihilation as a Probe for Many Body Effects in Metals by : Ted W. Mihalisin
Download or read book Positron Annihilation as a Probe for Many Body Effects in Metals written by Ted W. Mihalisin and published by . This book was released on 1968 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindeks written by and published by . This book was released on 1987 with total page 1264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Many-body Effects in Positron Annihilation in Metals by : Soo Myung Kim
Download or read book Many-body Effects in Positron Annihilation in Metals written by Soo Myung Kim and published by . This book was released on 1967 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Diffusion and Defect Data written by and published by . This book was released on 1994 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Fifth International Conference on Positron Annihilation, April 8-11, L979, Lake Yamanaka, Japan by : Ryukiti R. Hasiguti
Download or read book Proceedings of the Fifth International Conference on Positron Annihilation, April 8-11, L979, Lake Yamanaka, Japan written by Ryukiti R. Hasiguti and published by . This book was released on 1979 with total page 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Positrons in Solids by : P. Hautojärvi
Download or read book Positrons in Solids written by P. Hautojärvi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: In condensed matter initially fast positrons annihilate after having reached equi librium with the surroundings. The interaction of positrons with matter is governed by the laws of ordinary quantum mechanics. Field theory and antiparticle properties enter only in the annihilation process leading to the emergence of energetic photons. The monitoring of annihilation radiation by nuclear spectroscopic methods provides valuable information on the electron-positron system which can directly be related to the electronic structure of the medium. Since the positron is a positive electron its behavior in matter is especially interesting to solid-state and atomic physi cists. The small mass quarantees that the positron is really a quantum mechanical particle and completely different from any other particles and atoms. Positron physics started about 25 years ago but discoveries of new features in its interac tion with matter have maintained continuous interest and increasing activity in the field. Nowadays it is becoming part of the "stock-in-trade" of experimental physics.
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.
