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W Tungsten - Supplement Volume A4 Surface Properties. Electron Emission (Paperback, 8th ed. 1993. Softcover reprint of the original 8th ed. 1993)
Loot Price: R3,335
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W Tungsten - Supplement Volume A4 Surface Properties. Electron Emission (Paperback, 8th ed. 1993. Softcover reprint of the original 8th ed. 1993)
Series: Gmelin Handbook of Inorganic and Organometallic Chemistry - 8th edition, W / A-B / A / 4
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This voLume continues the description of the physicaL properties of
tungsten metaL and covers specificaLLy surface properties, eLectron
emission, and fieLd evaporation. Tungsten surfaces are probabLy the
most extensiveLy studied metaL surfaces. RecentLy, experimentaLists
and theorists have focused their interest on the atomic structure,
Lattice dynamics, and eLectronic properties of the W(100) surface.
WhiLe the structure of the recon- structed Low-temperature surface
is weLL estabLished, there are still unresoLved probLems concerning
the structure at and above room temperature, the nature of the
phase transition, and the driving force for the reconstruction.
Other Low-index tungsten surfaces have been studied in much Less
detail. There are numerous and partLy confLicting data on the
surface energy, the seit-diffusion parameters, and the work
function of singLe-crystaL and poLycrystaL tungsten surfaces. ELec-
tron emission, which is of fundamentaL importance for many
appLications, comprises therm- ionic, fieLd, photofieLd, and
photoeLectric emission as weLL as emission induced by impinging
eLectrons, atoms, or ions. Pioneering work in areas Like thermionic
or fieLd emission is comprehensiveLy discussed. Very recent studies
of vaLence-band and core-LeveL spectra moreover provide detaiLed
information on intrinsic surface properties. FieLd evaporation
phenomena are treated at the end of this voLume. Frankfurt am Main
Woltgang HuisL November 1993 fable of Contents Page 1 Atomic
Structure, LaHice Dynamies, and Electronic Structure of Tungsten
Surfaces 1 1.1 W(100) ...1.1.1 Atomic Structure. Reconstruction and
Relaxation Survey ...
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