Zobrazeno 1 - 10
of 166
pro vyhledávání: '"V.G. Pavlov"'
Determining the evaporation energies of alkali and alkaline earth metal atoms using field desorption
Autor:
D.P. Bernatsky, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 32-39 (2023)
The desorption of cesium and barium atoms from a quasi-spherical nanostructured surface of a field emitter has been studied using the method of field desorption microscopy. The dependences of the desorbing electric field strength on the degree of ces
Externí odkaz:
https://doaj.org/article/2a8e2eb623884c849667daf53bebb51a
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 15, Pp 40-45 (2023)
The features of the field desorption of caesium and barium from the surface of an iridium tip with two-dimensional graphene nanoclusters on the surface are investigated. Both adsorbates are located both on the surface of iridium and carbon clusters,
Externí odkaz:
https://doaj.org/article/ca33db02a7e64439a497562081f33af4
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 14, Pp 31-38 (2022)
Modification of the emission surface on a nanometer scale during adsorption of barium atoms on the surface of a rhenium field emitter was investigated using field electron and desorption microscopy. Field electronic images of the emitter surface refl
Externí odkaz:
https://doaj.org/article/305f5d133e574eb498217025977944dc
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 13, Pp 18-24 (2021)
The desorption of caesium atoms from the quasi-spherical carbonized surface of an iridium single crystal was studied using the field desorption microscopy. Field electron and desorption images of the surface during the formation of graphene on the (1
Externí odkaz:
https://doaj.org/article/8fcb37324a124653aa77e750cb211144
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 13, Pp 25-31 (2021)
Field electron emitters in the form of a metal tip with a carbon film on the surface have a number of promising operational properties. The characteristics of the emitter depend on the phase composition, thickness and uniformity of the film. Determin
Externí odkaz:
https://doaj.org/article/a459289879644a23a7b26cfe095eeec3
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 11, Pp 86-90 (2019)
The characteristics of the field electron emission of the iridium tip with different carbon formations on its surface are investigated. It was found that in some cases, compared to metal emitters the carbon-coated emitter exhibits significantly great
Externí odkaz:
https://doaj.org/article/e92dc696f74e4096adbc9121d1bb6324
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 11, Pp 91-96 (2019)
Desorption of cesium atoms in an electric field from the carbonized rhenium field emitter was investigated by the field desorption microscopy. The effect of the concentration of cesium atoms on the voltage and on the distribution of emission centers
Externí odkaz:
https://doaj.org/article/a0b9d3ba42d9480bad55b7fff7f7ffa9
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 10, Pp 93-98 (2018)
The diffusion of cesium over the rhenium surface and the rhenium surface coated with carbon was studied by methods of the field electron and desorption microscopy. The method of continuous field desorption was used, in which surface diffusion ensures
Externí odkaz:
https://doaj.org/article/16c26e8079e14b418430b90d9425c4c5
Autor:
D.P. Bernatskii, V.G. Pavlov
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 9, Pp 89-93 (2017)
Using method of the field desorption microscopy, desorption of cesium atoms from quasi-spherical surface of a rhenium microcrystal in the electric field has been investigated. The dependence of the desorbing electric field strength vs cesium coverage
Externí odkaz:
https://doaj.org/article/f3e4e4cc2a9e4181a4e615373a689001
Autor:
D. V. Petrachkov, V.G. Pavlov, M. V. Budzinskaya, A. T. Tleubaev, V. V. Yashina, Igor B. Gurevich, Alexander Nedzved
Publikováno v:
Pattern Recognition and Image Analysis. 31:513-528
This article presents the results of the joint work of image analysis specialists and ophthalmologists on the problem of analyzing images obtained by optical coherence tomography (angiography). A descriptive algorithmic scheme for analyzing images ob