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Title: A possible mechanism for atomic transport in amorphous metals

Abstract

The diffusion process at a temperature just below the glass-transition temperature is studied in a computer model of amorphous Ni{sub 81}B{sub 19}. The observed diffusion events cause structural changes that are highly localized and are correlated with low-frequency localized vibrational modes. The excitation of such a mode can result in a jump, which is identical to the diffusion event. The jump has a cooperative character involving some tens of atoms and can be of a reversible or of an irreversible nature.

Authors:
; ;  [1]
  1. Delft Univ. of Technology (Netherlands). Lab. of Materials Science
Publication Date:
OSTI Identifier:
323454
Report Number(s):
CONF-971201-
Journal ID: ISSN 0272-9172; TRN: 99:004256
Resource Type:
Book
Resource Relation:
Conference: 1997 fall meeting of the Materials Research Society, Boston, MA (United States), 1-5 Dec 1997; Other Information: PBD: 1998; Related Information: Is Part Of Phase transformations and systems driven far from equilibrium; Ma, E. [ed.] [Louisiana State Univ., Baton Rouge, LA (United States)]; Atzmon, M. [ed.] [Univ. of Michigan, Ann Arbor, MI (United States)]; Bellon, P. [ed.] [Univ. of Illinois, Urbana, IL (United States)]; Trivedi, R. [ed.] [Ames Lab., IA (United States)]|[Iowa State Univ., Ames, IA (United States)]; PB: 703 p.; Materials Research Society symposium proceedings, Volume 481
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ATOM TRANSPORT; NICKEL ALLOYS; BORON ALLOYS; AMORPHOUS STATE; COMPUTERIZED SIMULATION; DIFFUSION; CORRELATIONS; THEORETICAL DATA

Citation Formats

Ee, L.D. van, Thijsse, B J, and Sietsma, J. A possible mechanism for atomic transport in amorphous metals. United States: N. p., 1998. Web.
Ee, L.D. van, Thijsse, B J, & Sietsma, J. A possible mechanism for atomic transport in amorphous metals. United States.
Ee, L.D. van, Thijsse, B J, and Sietsma, J. 1998. "A possible mechanism for atomic transport in amorphous metals". United States.
@article{osti_323454,
title = {A possible mechanism for atomic transport in amorphous metals},
author = {Ee, L.D. van and Thijsse, B J and Sietsma, J},
abstractNote = {The diffusion process at a temperature just below the glass-transition temperature is studied in a computer model of amorphous Ni{sub 81}B{sub 19}. The observed diffusion events cause structural changes that are highly localized and are correlated with low-frequency localized vibrational modes. The excitation of such a mode can result in a jump, which is identical to the diffusion event. The jump has a cooperative character involving some tens of atoms and can be of a reversible or of an irreversible nature.},
doi = {},
url = {https://www.osti.gov/biblio/323454}, journal = {},
issn = {0272-9172},
number = ,
volume = ,
place = {United States},
year = {Thu Dec 31 00:00:00 EST 1998},
month = {Thu Dec 31 00:00:00 EST 1998}
}

Book:
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