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View article: Field emission from lanthanum monosulfide thin films grown on the (100) magnesium oxide substrates
Field emission from lanthanum monosulfide thin films grown on the (100) magnesium oxide substrates Open
Lanthanum monosulfide (LaS) films were grown by pulsed laser deposition on the (100) magnesium oxide (MgO) substrates at an elevated substrate temperature and in a background gas of H2S. The thin films have been characterized by x-ray diff…
View article: Field Emission from Self‐Assembled Arrays of Lanthanum Monosulfide Nanoprotrusions
Field Emission from Self‐Assembled Arrays of Lanthanum Monosulfide Nanoprotrusions Open
The field emission properties of LaS nanoprotrusions called nanodomes, formed by pulsed laser deposition on porous anodic alumina films, have been analyzed with scanning anode field emission microscopy. The voltage necessary to produce a g…
View article: Patchwork field emission properties of lanthanum monosulfide thin films
Patchwork field emission properties of lanthanum monosulfide thin films Open
The field emission properties of lanthanum monosulfide (LaS) films, deposited on Si substrates by pulsed laser deposition, have been thoroughly analyzed via the scanning anode field emission microscopy technique. Using the conventional Fow…
View article: Atomic metallic ion emission, field surface melting and scanning tunneling microscopy tips
Atomic metallic ion emission, field surface melting and scanning tunneling microscopy tips Open
R4sum6.L'obtention de faisceaux d'ions (environ 10~ions/s) partir d'dmetteurs ayant une di- mension atomique est possible et nous pr6sentons id leur r6alisation exp6rimentale.Ce travail repose sur le principe d'une fusion de surface sons c…
View article: A PRELIMINARY STUDY OF SURFACE SELF-DIFFUSION AND EVAPORATION OF A SEMI CONDUCTOR (GaP)
A PRELIMINARY STUDY OF SURFACE SELF-DIFFUSION AND EVAPORATION OF A SEMI CONDUCTOR (GaP) Open
The observations of GaP whiskers heated in-situ in transmission electron microscope show the formation of conical tips which recede with time. This evolution corresponds to the tip profile evolution predicted theoretically in case of a sim…
View article: Characterization of different aggregation stages in implanted LiF crystals
Characterization of different aggregation stages in implanted LiF crystals Open
RbumC.-Dans des papiers precedents nous indiquions que des ions alcalins implantes dans le fluorure de lithium avaient tendance a former des amas.Nous avons pu montrer par spectroscopie optique la formation d'amas quasi metalliques a tempe…