TITLE

Effect of uniaxial pressure on metal-insulator transition in (Sm1-yNdy)0.52Sr0.48MnO3 single crystals

AUTHOR(S)
Murugeswari, A.; Sarkar, P.; Arumugam, S.; Manivannan, N.; Mandal, P.; Ishida, T.; Noguchi, S.
PUB. DATE
June 2009
SOURCE
Applied Physics Letters;6/22/2009, Vol. 94 Issue 25, p252506
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have investigated the effect of uniaxial pressure (P) on resistivity along the ab plane and c-axis in single crystals of (Sm1-yNdy)0.52Sr0.48MnO3 with y=0, 0.05, and 0.3. The application of pressure along the c-axis shifts the metal-insulator transition (MIT) to higher temperature, while MIT temperature decreases with P when it is applied perpendicular to the c-axis. This behavior is quite different from that observed in hydrostatic pressure and can be explained by considering the P dependence change in equatorial and apical Mn–O–Mn bond angles.
ACCESSION #
42642385

 

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