Synthesis and high-pressure behavior of Na0.3CoO2⋅1.3H2O and related phases

Sangmoon Park; Yongjae Lee; Thomas Vogt; Arnie Moodenbaugh

doi:10.1103/PhysRevB.68.180505

Synthesis and high-pressure behavior of Na_0.3CoO₂⋅1.3H₂O and related phases

Sangmoon Park, Yongjae Lee, Thomas Vogt, Arnie Moodenbaugh

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

We have prepared powder samples of Na_xCoO_2⋅yH₂O using an alternative synthesis route. Superconductivity was observed in Na_0.3CoO₂⋅1.3H₂O between 4 and 5 K as indicated by the magnetic susceptibility. The bulk compressibilities of Na_0.3CoO₂⋅1.3H₂O, Na_0.3CoO₂⋅0.6H₂O, and Na_0.3CoO₂ were determined using a diamond anvil cell and synchrotron powder diffraction. Chemical changes occurring under pressure when using different pressure-transmitting media are discussed and further transport measurements are advocated.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	68
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.68.180505
Publication status	Published - 2003 Nov 19

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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AU - Moodenbaugh, Arnie

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AB - We have prepared powder samples of NaxCoO2⋅yH2O using an alternative synthesis route. Superconductivity was observed in Na0.3CoO2⋅1.3H2O between 4 and 5 K as indicated by the magnetic susceptibility. The bulk compressibilities of Na0.3CoO2⋅1.3H2O, Na0.3CoO2⋅0.6H2O, and Na0.3CoO2 were determined using a diamond anvil cell and synchrotron powder diffraction. Chemical changes occurring under pressure when using different pressure-transmitting media are discussed and further transport measurements are advocated.

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