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Wednesday, July 15, 2020 | History

2 edition of study of mechanically stimulated exo-electron emission from coloured LiF single crystals. found in the catalog.

study of mechanically stimulated exo-electron emission from coloured LiF single crystals.

Syed Jalal Hussain Bukhari

study of mechanically stimulated exo-electron emission from coloured LiF single crystals.

by Syed Jalal Hussain Bukhari

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  • 8 Currently reading

Published in Bradford .
Written in English


Edition Notes

Ph.D. thesis. Typescript.

SeriesTheses
The Physical Object
Pagination95p.
Number of Pages95
ID Numbers
Open LibraryOL13653163M


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Study of mechanically stimulated exo-electron emission from coloured LiF single crystals by Syed Jalal Hussain Bukhari Download PDF EPUB FB2

Therefore, the surface deformation results in a large increase of the photoelectron emission. In the present chapter, it is this increase that is referred to as exo-electron emission, or more specifically, photostimulated exo-electron emission (PEEE) (Baxter and Rouze, a).

These deformation-induced microcracks in the surface oxide are, of Cited by: 2. INTRODUCTION The chemically stimulated exo-electron It is known that the exo-electron is- emission has been found by Lohff (8) to sion, vaporization of very low energy elec- occur wlth the oxidation of zinc, and by trons from solids, can be produced m a seld1 (7) wlth the oxidation of copper variety of ways, abrasion (1), mechanical Kcec1"1 Cited by: A new method has been developed to measure exo‐electron emissions stimulated by frictional heating for a ball‐on‐disk sliding where a tungsten carbide was biased at +15 V dc to collect exo‐electrons emitted from a γ‐irradiated hot‐pressed alumina disk.

Exo‐electron emission’s signals were detected above a certain critical velocity when the contact surface was frictionally Cited by: 8.

The emission of electrons from metals can be excited through a variety of treatments and stimulated by thermal energy and as shown only recently, by high‐intensity ultrasound.

Investigations were carried out on disks of % pure aluminum and aluminumexposed to acoustic irradiation up to W/cm2 at 20 kc/sec. The peak emission at certain intensity levels of the acoustic field is Cited by: Triboemission, Triboplasma Generation, and Tribochemistry. Cite this entry as: () Exo-electron Emission and Tribochemistry.

"Exo-electron" emission phenomena are reviewed. Kramer's original hypothesis that exothermal processes are the cause of the effect is no longer considered valid and it is now widely accepted that particularities of the crystal lattice, such as crystal imperfections are present in surfaces showing electron emission after mechanical deformation, X- or ultra-violet irradiation, electron.

When platinum wires inside the counter were heated to red heat in various gases and the wire allowed to cool in those gases, electron emission curves with a high degree of structure were obtained. These cooling curves were characteristic of the gases examined: O 2, H 2, Ar, N 2, CH 4, C 2 H 2, C 2 H 4, C 2 H 6 and C 4 H 6.

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An illustration of text ellipses. Proceedings of the NATO Advanced Study Institute on Functionalized Nanoscale Materials, Devices and Systems for Chem.-bio Sensors, Photonics, and Energy Generation and Storage Sinaia, Romania 4–15 June Library of Congress Control Number: ISBN (PB) ISBN (HB) ISBN (e-book).