Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Electical Transport Properties of La$_{1.6}$Ca$_{1.4}$Mn$_2$O$_{7.07}$ System

La$_{1.6}$Ca$_{1.4}$Mn$_2$O$_{7.07}$의 전기전도특성

  • Published : 1999.08.01
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Abstract

The dc resistivity dc magnetization and thermopower of layered perovskite La1.6Ca1.4Mn2O7.07 have been studied. The ceramic sample of La1.6Ca1.4Mn2O7.07 undergoes the metal-insulator transition at 120K while a first-order phase transition from a ferromagnetic phase to a paramagnetic phae is observed at 260 K=TC This behavior is quite different from that of the well-known double exchange ferromagnets such as La1-xCaxMnO3 This phenomenon could be understood by considering the effects of the anisotropic double exchange interaction caused by two dimensional Mn-O-Mn networks in this materials. The dc magnetization between 120K and 250K is nearly constant and decreases rapidly with increasing temperature above 250K The measurements of dc resistivity and thermopower indicate that Zener polaron hopping conduction takes place above 260 K.

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References

  1. Science. v.264 Thousandfold Change in Resistrivity in Magnetoresistive La-Ca-Mn-O Films S. Jin;T. H. Tiefel;M. McCormack;R. A. Fastnacht;R. Ramesh;L. H. Chen
  2. Phys. Rev B. v.54 Thermopower in La⅔ Ca⅓MnO₃ Films:Evidence for Polaronic Transport M. Jaime;M. B. Salamon;M. Rubinstein;R. E. Treece;J. S. Horwitz;D. B. Chrisey
  3. Phys. Rev B. v.53 Intrinsic Electrical Transport and Magnetic Properties of $La_{0.67} Ca_{0.33} MnO_3$ and $La_{0.67} Sr_{0.33} MnO_3$ MOCVD Thin Films and Bulk Materials G. J. Snyder;R. Hikes;S. DiCarolis;M R. Beasley;T. H Geballe
  4. Phys. Rev B. v.54 Evidence of Magnetization-Dependent Polaron Distortion in $La_{1-x} A_x$MnO₃, A=Ca. Pb. C. H. Booth;F Bridges;G J. Synder;T. H. Geballe
  5. Phys. Rev B. v.55 Systematic Mn d-Configuration Change in the $La_{1-x} Ca_x$MnO₃System:A Mn K-edge XAS Study M. Crof;D. Sills;M. Greenblatt;C. Lee;S. W Cheong;K. V. Ramanujachary;D. Tran
  6. Phys. Rev. v.82 Interaction Between the d shell in the Transition Metal Ⅱ, Ferromagnetic Compounds of Manganese with Perovskite Structure C. Zener
  7. Phys. Rev B. v.53 Cooperative Iahn-Teller Effect and Electron-Phonon Coupling in Stoichiometry and Electronic Properties of $La_{1-x} A_x$MnO₃ A. J. Millis
  8. Phys. Rev B. v.55 Orbital Ordering and Suerexchange in Maganite Oxides A. J. Millis
  9. Phys. Rev B. v.53 Evidence for a Local Lattice Distortion in Ca-doped LaMnO₃ T. Y. Tyson;J. Mustre de Leon;S. D. Conradson;A. R. Bishop;J. J. Neumeier;H. Roder;J. Zang
  10. Phys Rev Lett. v.78 Hall-effect Sign Anomaly and Small Polaron Conduction:($({La_{1-x} Gd_x})_{0.67} Ca_{0.33}$MnO₃ M. Jaime;H. T. Hardner;M. B. Salamon;M. Rubinstein;P. Dorsey;D. Emin
  11. Phys. Rev B. v.54 High Temperature Thermopower in La⅔Ca⅓MnO₃Films: Evidence for Polaronic Transport M. Jaime;M. B. Salamon;M. Rubinstein;R. E. Treece;J S Horwitz;D. B. Chrisey
  12. J. Solid. State. Chem. v.133 Electrical Transport in Semiconducing $({LaMn_{1-x} Ti_x})_{1-}{\gamma} $O₃(x≤0.05) W. H. Jung;H. Nakatsugawa;E. Iguchi
  13. J. Kor. Ceram. Soc. v.35 no.8 Electrical transport and Magnetic Properties in $(LaMn)_{1-}{\gamma}$O₃ W. H. Jung
  14. Nature. v.380 Giant Magnetroresistance of Manganese Oxides With a Layered Perovskite Y Moritomo;A. Asasitsu;H. Kuwahara;Y. Tokura
  15. Science. v.274 Interplane Tunneling Magnetoresistance in a Layered Manganite Crystal T. Kimura;Y Tomioka;H. Kuwahara;A. Asamitsu;M. Tamura;Y. Tokura
  16. Appl. Phys. lett. v.71 Preparation and Properties of the Triple Perovskite $La_{3-3x} Ca_{1+3x} Mn_3 O_{10}$ Ferromagnetic Thin Films H. Asano;J Hayakawa;M. Matsui
  17. Phys. Rev B. v.55 Unconventional Magnetostriction in Layered $La_{1.2} Sr_{1.8}Mn_2 O_7$:Evidence for Spin-Lattice Coupling above TC D. A. Argynou;J.F.Mitchell;C. D. Potter;S. D. Bader;R. Kleb;J. D. Jorgensen
  18. Phys. Rev B. v.56 Two-Dimensional Ferromagnetic Ordering and Magnetoresistance in the Layered Perovskite $La_{2-2x} Ca_{1+2x}Mn_2 O_7$ H. Asano;J. Hayakawa;M. Matsui
  19. Phys. Rev B. v.56 Mctal-Insulator Transition in Layered Manganites:$({La_{1-z} Nd_z})_12 Sr_18 Mn_2 O_7$ Y. Moritomo;Y. Maruyama;T Akimoto;A. Nakamura
  20. Phys Rev B. v.57 Pressure Dependence of Resistivity and Magnetoresitivity in the Layered Manganates (La,Sr)₃Mn₂$O_7$ R. Mahesh;R. Wang;M Itoh
  21. Phys. Rev B. v.58 Unusual Thermoelectric Power of Single Crystal $La_{1.2} Sr_{1.8} Mn_2 O_7$ J. S. Zhou;J B. Goodenough;J. F Mitchell
  22. Aus. J. Phys. v.52 Small Polaron Hopping Conduction in Ceramic Sample of $La_{1.4} Sr_{1.6} Mn_2 O_{7.06}$ H. Nakatsugawa;E. Iguchi;W. H. Jung;F. Munakata
  23. Phys. Rev B. v.43 Polaronic Conduction in the n-type BaTiO₃ Doped with La₂O₃ or Gd₂O₃ E. Iguchi;N. Kubota;T. Nakamura;Y. Yamamoto;K. J. Lee
  24. Phys. Rev B. v.54 Conduction in LaCoO₃ by Small Polaton Hopping Below Room Temperature E. Iguchi;K. Ueda;W. H. Jung
  25. Electronic Process in Non-Crystalline Materials N. F. Mott;E. A. Davis
  26. J. Phys. D:Appl. Phys. v.31 Electrical Conduction Behaviour in K₂N1F₄-type Ca₂$MnO_{398}$ Below Room Temperature W. H. Jung;E. Iguchi
  27. J. Phys C:Condens Matter. v.10 Magnetic and Transport Properties of Ce⅔$TiO_{2.981}$TiO2.981 W. H. Jung