Pressure effects on superconducting and magnetic transitions in layered sodium cobalt oxides, NaxCoO2

被引:0
作者
Sushko, Y. V. [1 ]
Korneta, O. B.
Leontsev, S. O.
Jin, R.
Sales, B. C.
Mandrus, D.
机构
[1] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
[2] Oak Ridge Natl Lab, Condensed Matter Sci Div, Oak Ridge, TN 37831 USA
关键词
74.62.Fj; 74.70.-b; 75.20. En; 75.50 Ee; 75.30 Kz;
D O I
10.1007/BF02679572
中图分类号
O59 [应用物理学];
学科分类号
摘要
The results of dc magnetization measurements under hydrostatic (helium-gas) pressure are presented for an ambient pressure superconductor Na(0.35)CoO(2)1.4D(2)O and its precursor compound Na0.75CoO2 known to combine metallic conductivity with an unusual magnetic state below similar to 22K.
引用
收藏
页码:573 / 576
页数:4
相关论文
共 10 条
[1]   Charge ordering, commensurability, and metallicity in the phase diagram of the layered NaxCoO2 -: art. no. 247001 [J].
Foo, ML ;
Wang, YY ;
Watauchi, S ;
Zandbergen, HW ;
He, T ;
Cava, RJ ;
Ong, NP .
PHYSICAL REVIEW LETTERS, 2004, 92 (24) :247001-1
[2]   Observation of bulk superconductivity in NaxCoO2•yH2O and NaxCoO2•yD2O powder and single crystals -: art. no. 217001 [J].
Jin, R ;
Sales, BC ;
Khalifah, P ;
Mandrus, D .
PHYSICAL REVIEW LETTERS, 2003, 91 (21)
[3]   Effect of hydrostatic pressure on the superconductivity in NaxCoO2•yH2O -: art. no. 132504 [J].
Lorenz, B ;
Cmaidalka, J ;
Meng, RL ;
Chu, CW .
PHYSICAL REVIEW B, 2003, 68 (13)
[4]   Unconventional magnetic transition and transport behavior in Na0.75CoO2 -: art. no. 064406 [J].
Motohashi, T ;
Ueda, R ;
Naujalis, E ;
Tojo, T ;
Terasaki, I ;
Atake, T ;
Karppinen, M ;
Yamauchi, H .
PHYSICAL REVIEW B, 2003, 67 (06)
[5]   Synthesis and high-pressure behavior of Na0.3CoO2•1.3H2O and related phases -: art. no. 180505 [J].
Park, S ;
Lee, Y ;
Moodenbaugh, A ;
Vogt, T .
PHYSICAL REVIEW B, 2003, 68 (18)
[6]   Magnetic, thermodynamic, and transport characterization of Na0.75CoO2 single crystals -: art. no. 174419 [J].
Sales, BC ;
Jin, R ;
Affholter, KA ;
Khalifah, P ;
Veith, GM ;
Mandrus, D .
PHYSICAL REVIEW B, 2004, 70 (17) :1-9
[7]   Static magnetic order in Na0.75CoO2 detected by muon spin rotation and relaxation -: art. no. 214420 [J].
Sugiyama, J ;
Itahara, H ;
Brewer, JH ;
Ansaldo, EJ ;
Motohashi, T ;
Karppinen, M ;
Yamauchi, H .
PHYSICAL REVIEW B, 2003, 67 (21)
[8]   Hydrostatic pressure effects on the magnetic susceptibility of ruthenium oxide Sr3Ru2O7:: evidence for pressure-enhanced antiferromagnetic instability [J].
Sushko, YV ;
DeHarak, B ;
Cao, G ;
Shaw, G ;
Powell, DK ;
Brill, JW .
SOLID STATE COMMUNICATIONS, 2004, 130 (05) :341-346
[9]   Superconductivity in two-dimensional CoO2 layers [J].
Takada, K ;
Sakurai, H ;
Takayama-Muromachi, E ;
Izumi, F ;
Dilanian, RA ;
Sasaki, T .
NATURE, 2003, 422 (6927) :53-55
[10]   Spin entropy as the likely source of enhanced thermopower in NaxCo2O4 [J].
Wang, YY ;
Rogado, NS ;
Cava, RJ ;
Ong, NP .
NATURE, 2003, 423 (6938) :425-428