TY - JOUR
T1 - Characterization of (1101) twin dislocation structures in evaporated titanium thin films by high-resolution transmission electron microscopy
AU - Yamada, Y.
AU - Kasukabe, Y.
AU - Ju Lin, Peng
AU - Bursill, L. A.
N1 - Funding Information:
ACKNOWLEDGMENTS The authors wish to thank Tohuku University, the Australian Research Council and the University of Melbourne for financial support. The authors are also grateful to Mr D. Dryden for his technical assistance in the operation of the 4000EX transmission electron microscope. The authors are indebted to Mr M. Hoshi and Miss T. Chiba for their technical assistance in the preparation of samples.
Copyright:
Copyright 2016 Elsevier B.V., All rights reserved.
PY - 1993/6
Y1 - 1993/6
N2 - The structure of (1T01) twin dislocations in Ti films evaporated on NaCl substrates at 250°C has been examined and characterized by high-resolution transmission electron microscopy. The results have revealed that a twin dislocation structure with a step height 4d(K1), where d(K1) is the spacing of the lTOl twin planes, actually dissociates into two (lTOl) twin dislocations with step heights of d(K1) and 3d(K1). The twin dislocation with a step height of3d(K1) contains an edge dislocation in the core, while that with a step height of d(K1) is a simple classical twin-dislocation structure. Twin dislocations with a step height of 2d(K1), including an edge dislocation in the core, also occur. The atomic-scale core structures of (lTOl) twin dislocations may be derived by analysis of the high-resolution images. The relative mobilities of the three types of twin dislocations are then discussed.
AB - The structure of (1T01) twin dislocations in Ti films evaporated on NaCl substrates at 250°C has been examined and characterized by high-resolution transmission electron microscopy. The results have revealed that a twin dislocation structure with a step height 4d(K1), where d(K1) is the spacing of the lTOl twin planes, actually dissociates into two (lTOl) twin dislocations with step heights of d(K1) and 3d(K1). The twin dislocation with a step height of3d(K1) contains an edge dislocation in the core, while that with a step height of d(K1) is a simple classical twin-dislocation structure. Twin dislocations with a step height of 2d(K1), including an edge dislocation in the core, also occur. The atomic-scale core structures of (lTOl) twin dislocations may be derived by analysis of the high-resolution images. The relative mobilities of the three types of twin dislocations are then discussed.
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U2 - 10.1080/09500839308240944
DO - 10.1080/09500839308240944
M3 - Article
AN - SCOPUS:0001251286
VL - 67
SP - 361
EP - 368
JO - Philosophical Magazine Letters
JF - Philosophical Magazine Letters
SN - 0950-0839
IS - 6
ER -