Abstract
Be adsorption at T = 900–1100 K results in formation of a stable adsorption state; it drops the activation energy of atomic Be dissolution in the substrate bulk, and all newly deposited Be dissolves in the substrate. The absolute concentration of atomic Be in this state has been measured by Auger electron spectroscopy using specially designed ultra high vacuum getter Be source. The concentration is (1.0 ± 0.1) × 1015 sm–2 and corresponds to WBe stoichiometry relative to W surface concentration. The layer is destroyed at T > 1100 K, the atomic Be dissolves in the bulk with the activation energy ∼3.5 eV.
REFERENCES
D. McLean, Grain boundaries in metals (Clarendon Press, Oxford, 1957).
M. Guttmann, D. McLean, in Interfacial segregation, Ed. by W. C. Johnson, J. M. Blakely (American Society for Metals, Metal Park, Ohio, 1979), pp. 261–347.
A. Atkinson, J. de Phys. Coll., 46, C4-379 (1985). https://doi.org/10.1051/jphyscol:1985441
N. R. Gall, E. V. Rut’kov, A. Ya. Tontegode, Ross. Khim-. Zh., 47 (2), 13 (2003) (in Russian).
V. N. Ageev, E. Yu. Afanas’eva, N. R. Gall, E. V. Rut’kov, S. N. Mikhailov, A. Ya. Tontegode, Pis’ma Zh. Tekh. Fiz., 12 (9), 565 (1986) (in Russian).
W. Espe, Materials of High Vacuum Technology (Pergamon Press, 1966), Vol. 1.
B. N. Kolbasov, V. I. Khripunov, A. Yu. Biryukov, Fusion Eng. Des., 109–111 (Pt A), 480 (2016). https://doi.org/10.1016/j.fusengdes.2016.02.073
G. F. Silina, Yu. I. Zarembo, L. E. Bertina, Berillii, khimicheskaya tekhnologiya i metallurgiya (Atomizdat, M., 1960) (in Russian).
A. Wiltner, Ch. Linsmeier, J. Nucl. Mater., 337–339, 951 (2005). https://doi.org/10.1016/j.jnucmat.2004.08.021
L. Chen, I. Sukuba, M. Probst, A. Kaiser, Nucl. Mater. Energy, 16, 149 (2018). https://doi.org/10.1016/j.nme.2018.06.021
L. Chen, D. SuB, I. Sukuba, M. Schauperl, M. Probst, Th. Maihom, A. Kaiser, Nucl. Mater. Energy, 22, 100731 (2020). https://doi.org/10.1016/j.nme.2020.100731
A. Wiltner, C. Linsmeier, New J. Phys., 8, 181 (2006). https://doi.org/10.1088/1367-2630/8/9/181
A. Allouche, A. Wiltner, C. Linsmeier, J. Phys.: Condens. Matter, 21, 355011 (2009). https://doi.org/10.1088/0953-8984/21/35/355011
Ch. Linsmeier, K. Ertl, J. Roth, A. Wiltner, K. Schmid, F. Kost, S. R. Bhattacharyya, M. Baldwin, R. P. Doerner, J. Nucl. Mater., 363–365, 1129 (2007). https://doi.org/10.1016/j.jnucmat.2007.01.224
V. N. Ageev, E. V. Rut’kov, A. Ya. Tontegode, N. A. Kholin, Fiz. Tverd. Tela, 23 (8), 2248 (1981) (in Russian).
N. R. Gall, E. V. Rut’kov, A. Ya. Tontegode, Tech. Phys. Lett., 26 (6), 510 (2000). .https://doi.org/10.1134/1.1262894
Handbook of Auger electron spectroscopy (Physical Electronics Industries, Edina, 1976).
E. Ya. Zandberg, N. I. Ionov, Surface ionization (Israel Program for Scientific Translation, Jerusalem, 1971).
N. R. Gall, E. V. Rut’kov, A. Ya. Tontegode, Tech. Phys. Lett., 30 (10), 832 (2004). .https://doi.org/10.1134/1.1813724
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
The authors of this work declare that they have no conflict of interest.
Additional information
Publisher’s Note.
Pleiades Publishing remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
Rut’kov, E.V., Afanas’eva, E.Y. & Gall, N.R. Surface Compound Formation in Be Adsorption on W(100): Absolute Concentration and Properties. Tech. Phys. Lett. 49 (Suppl 2), S121–S124 (2023). https://doi.org/10.1134/S1063785023900534
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S1063785023900534