Open AccessЭнергетические характеристики электронно-стимулированной десорбции атомов лития из слоев лития на поверхности Li-=SUB=-x-=/SUB=-Au-=SUB=-y-=/SUB=-
Author(s) -
Ю.А. Кузнецов,
М.Н. Лапушкин
Publication year - 2022
Publication title -
fizika tverdogo tela
Language(s) - English
Resource type - Journals
eISSN - 1726-7498
pISSN - 0367-3294
DOI - 10.21883/ftt.2022.06.52401.287
Subject(s) - desorption , tungsten , lithium (medication) , monolayer , kinetic energy , analytical chemistry (journal) , semiconductor , substrate (aquarium) , electron , materials science , adsorption , atomic physics , chemistry , nanotechnology , metallurgy , medicine , physics , oceanography , optoelectronics , quantum mechanics , chromatography , geology , endocrinology
The formation of 2D LixAuy semiconductor layers on the surface of gold deposited on a tungsten substrate has been studied. The processes of electron-stimulated desorption of Li atoms in the Li/LixAuy/Au/W system are considered. The presence of two peaks in the kinetic energy distribution of desorbed lithium atoms is shown: a high energy peak at an energy of 0.3 eV and a low energy peak at an energy of 0.11 eV. The high energy peak is associated with the desorption of lithium atoms from the adsorbed lithium layers, and the low energy peak is associated with the LixAuy intermetallic compound. The influence of the number of deposited gold and lithium atoms on the process of formation of 2D semiconductor LixAuy layers is studied. It is shown that the processes of electron-stimulated desorption occur in the Li monolayer and the LixAuy layer closest to it. A model of electron-stimulated desorption of Li atoms in the Li/LixAuy/Au/W system is proposed.