Influence of oxygen isotope exchange on the ground state of manganites

V. N. Smolyaninova, Amlan Biswas, P. Fournier, S. Lofland, X. Zhang, Guo meng Zhao, R. L. Greene

Research output: Contribution to journalArticlepeer-review


We report a study of oxygen isotope effects on the low-temperature specific heat, magnetization, and resistivity of (formula presented) and (formula presented) For metallic compositions of (formula presented) and for charge-ordered (formula presented) no change in the low-temperature specific heat has been detected with (formula presented) exchange, while compounds of (formula presented) show a significant change in low-temperature properties. The low-temperature specific heat indicates the presence of a charge-ordered phase even in compositions of (formula presented) which are metallic at low temperatures. We suggest that the changes induced by the oxygen isotope exchange are caused by an increase of the charge-ordered phase in (formula presented) samples.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number10
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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