Lattice site specific diffusion properties for substitutional and interstitial impurity atoms in ZnO crystals

2016 ◽  
Vol 120 (11) ◽  
pp. 115102
Author(s):  
Faisal Yaqoob ◽  
Mengbing Huang
Keyword(s):  
Lattice Site ◽  
Interstitial Impurity ◽  
Site Specific ◽  
Impurity Atoms ◽  
Diffusion Properties

Realization of spin-canted magnetism from lattice site specific spin structure in the double perovskite Nd2CoTiO6

2019 ◽  
Vol 488 ◽  
pp. 165338 ◽  
Author(s):  
A. Shaw ◽  
A. Mitra ◽  
S.D. Kaushik ◽  
V. Siruguri ◽  
P.K. Chakrabarti
Keyword(s):  
Spin Structure ◽  
Lattice Site ◽  
Double Perovskite ◽  
Site Specific

Internal Friction in Plastically Deformed High-Purity NiAl Single Crystals

1998 ◽  
Vol 552 ◽  
Author(s):  
M. Hirscher ◽  
D. Schaible
Keyword(s):  
Internal Friction ◽  
Single Crystals ◽  
High Purity ◽  
Formation Enthalpy ◽  
Dislocation Motion ◽  
Zone Melting ◽  
Interstitial Impurity ◽  
Impurity Atoms ◽  
Kink Pair ◽  
Friction Measurements

ABSTRACTHigh-purity stoichiometric NiAl single crystals have been prepared by crucible-free inductive zone melting and afterwards well annealed at temperatures below 1200 K. Internal friction measurements of torsionally deformed single crystals show two relaxation maxima at 500 and 800 K which anneal during the measurement. The first maximum can be assigned to the dislocation motion by kinkpair formation and the annealing to pinning of these dislocations by interstitial impurity atoms. The second maximum is attributed to the Snoek-Köster relaxation of dislocations in the presence of mobile interstitial impurity atoms and the annealing to the pinning of dislocations by vacancies. The kink-pair formation enthalpy in NiAl was estimated.

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