TY - JOUR
T1 - {101} 〈101̄〉 Twins in Mo-doped TiSi2 thin films with the C54 structure
AU - Inui, Haruyuki
AU - Okamoto, Norihiko L.
AU - Hashimoto, Takashi
AU - Tanaka, Katsushi
AU - Yamaguchi, Masaharu
N1 - Funding Information:
ACKNOWLEDGEMENTS This work was supported by grant-in-aid for scientific research (a) 14350369 from the Ministry of Education, Science and Culture. The authors would like to thank Dr H. Shir aishi, Sumitomo Sitix Co. Ltd, for supplying the high-pur ity Ti and Si sputtering targets.
PY - 2003/4/21
Y1 - 2003/4/21
N2 - The defect structures in orthorhombic C54 crystallites in thin films of Mo-doped TiSi2 produced by co-sputtering have been investigated by transmission electron microscopy. Almost all C54 crystallites contain a twin boundary parallel to (101), dividing a crystallite into two regions, each of which also contains many thin twins with the habit plane parallel to (001), which is inclined by about 45° from (101). Both of the two regions divided by the twin boundary parallel to (101) tend to have facets on (001) as well as thin twins with the habit plane parallel to (001). As a result, C54 crystallites exhibit a characteristic shape just like an oak leaf. While twins with the (001) habit plane have been observed in C54 crystallites in both binary and Mo-doped TiSi2 thin films, those with the (101) habit plane are present only in Mo-doped TiSi2 thin films. The twinning elements for (101) twins are determined to be K1 = (101), η 1 = [1̄01], K2 = (001) and η2 = [100]. The origin of (101) twins in Mo-doped TiSi2 is discussed in terms of the change in the c/a axial ratio upon alloying TiSi2 with Mo.
AB - The defect structures in orthorhombic C54 crystallites in thin films of Mo-doped TiSi2 produced by co-sputtering have been investigated by transmission electron microscopy. Almost all C54 crystallites contain a twin boundary parallel to (101), dividing a crystallite into two regions, each of which also contains many thin twins with the habit plane parallel to (001), which is inclined by about 45° from (101). Both of the two regions divided by the twin boundary parallel to (101) tend to have facets on (001) as well as thin twins with the habit plane parallel to (001). As a result, C54 crystallites exhibit a characteristic shape just like an oak leaf. While twins with the (001) habit plane have been observed in C54 crystallites in both binary and Mo-doped TiSi2 thin films, those with the (101) habit plane are present only in Mo-doped TiSi2 thin films. The twinning elements for (101) twins are determined to be K1 = (101), η 1 = [1̄01], K2 = (001) and η2 = [100]. The origin of (101) twins in Mo-doped TiSi2 is discussed in terms of the change in the c/a axial ratio upon alloying TiSi2 with Mo.
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U2 - 10.1080/1478643031000076604
DO - 10.1080/1478643031000076604
M3 - Article
AN - SCOPUS:0242334672
VL - 83
SP - 1463
EP - 1478
JO - Philosophical Magazine
JF - Philosophical Magazine
SN - 1478-6435
IS - 12
ER -