TITLE

Anomalous carrier level dependence of normal resistivity of La[sub 2-x]Sr[sub x]CuO[sub 4]

AUTHOR(S)
Sugahara, Masanori; Jian-Fei Jiang
PUB. DATE
July 1993
SOURCE
Applied Physics Letters;7/12/1993, Vol. 63 Issue 2, p255
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Examines the dependence of carrier level on the normal resistivity of La[sub 2-x]Sr[sub x]CuO[sub 4] sintered samples. Observation of sharp dips of normal resistivity on carrier levels; Establishment of initial sintering at 500 degree Centigrade in air atmosphere; Attachment of leads for voltage and current measurements.
ACCESSION #
4227464

 

Related Articles

  • Synthesis of LaBa2Cu3O7-y through tetragonal to orthorhombic phase transition at high oxygen deficiency. Brass, Stephen G.; Ghandehari, Mohammad H. // Applied Physics Letters;11/28/1988, Vol. 53 Issue 22, p2235 

    Superconductive LaBa2Cu3O7-y materials which achieve zero resistivity at temperatures above 90 K have been synthesized using the appropriate sintering and annealing conditions. We find it necessary to sinter our samples in an inert atmosphere and to cool our samples from a high temperature to...

  • Structural and spectroscopic properties of rare-earth (Nd[sup 3+], Er[sup 3+], and Yb[sup 3+]) doped transparent lead lanthanum zirconate titanate ceramics. de Camargo, Andrea S. S.; Nunes, Luiz Antonio de O.; Santos, Ivair A.; Garcia, Ducinei; Eiras, José Antonio // Journal of Applied Physics;2/15/2004, Vol. 95 Issue 4, p2135 

    This work presents the structural and spectroscopic characterization of transparent lead lanthanum zirconate titanate ceramics doped with Nd[sup 3+], Er[sup 3+], or Yb[sup 3+] ions. High optical quality samples presenting the perovskite structure were prepared through a mixed oxides method...

  • Sintering and microstructural modification of seeded and neodymium doped lanthanum hexaaluminate. Jana, P.; Jayan, P. S.; Mandal, S.; Biswas, K. // Materials Science Forum;2016, Vol. 835, p237 

    The effect of (i) heterogeneous nucleation by seeding or (ii) doping with neodymium on the formation of lanthanum hexaaluminate was studied during sol to gel conversion. The resultant dried gels were calcined at various temperatures starting from 1100°C to 1600°C for 2 h to study the phase...

  • Effect of Lanthanum Oxide on Reaction Sintering of Zirconia-Mullite Composites. Sarkar, Ritwik; Ghosh, A.; Halder, M. K.; Mukherjee, B.; Das, S. K. // American Ceramic Society Bulletin;Jan2006, Vol. 85 Issue 1, p17 

    The article studies the effect of lanthanum oxide on reaction sintering of zirconia-mullite composites by researchers from Kolkata, India. The researchers have successfully developed sintered zirconia mullite composites from zircon sand and calcined alumina. Densification was found to improve in...

  • Improved microwave dielectric properties of La(MgSn)O ceramic with Ba substitution. Wang, Yen-Nien; Chen, Ming-De // Journal of Materials Science: Materials in Electronics;Oct2013, Vol. 24 Issue 10, p3730 

    The microwave dielectric properties of La(MgBaSn)O ceramics were examined with a view to their exploitation for wireless communications. The La(MgBaSn)O ceramics were prepared by the conventional solid-state method with various sintering temperatures. The La(MgBaSn)O ceramics contained LaSnO. An...

  • Thermoelectric properties of BaSi2, SrSi2, and LaSi. Hashimoto, Kohsuke; Kurosaki, Ken; Imamura, Yasushi; Muta, Hiroaki; Yamanaka, Shinsuke // Journal of Applied Physics;Sep2007, Vol. 102 Issue 6, p063703 

    We studied the thermoelectric properties of BaSi2, SrSi2, and LaSi. The polycrystalline samples were prepared by spark plasma sintering (SPS). The electrical resistivity (ρ), Seebeck coefficient (S), and thermal conductivity (κ) were measured above room temperature. The power factor...

  • Dielectric and Ferroelectric Behavior in 8/40/60 PLZT Ceramics. Chumprasert, Ladapak; chirapatpimol, Khem; Limpichaipanit, Apichart; Chokethawai, Komsanti; Ngamjarurojana, Athipong // Advanced Materials Research;2014, Vol. 936, p119 

    This paper describes the relationship between sintering time conditons, tetragonality from phase formation, dielectric and ferroelectric characteristics of tetragonal PLZT (lanthanum modified lead zirconate titanate) ceramics with the pressureless sintering conditions. Ferroelectric compounds of...

  • Reactive alumina-LaPO composite as machinable bioceramics. BADOLIA, ABHISHEK; SARKAR, RITWIK; PAL, SUMIT // Bulletin of Materials Science;Aug2015, Vol. 38 Issue 4, p975 

    Sintered AlO-LaPO composites were prepared using commercially available reactive alumina and phase pure lanthanum phosphate (LP), prepared by the reaction synthesis technique. LP content was varied between 10 and 50 wt% and sintering was carried out between 1400 and 1600 C. Sintered composites...

  • Synthesis of La1-xSrxGa1-yMgy-zMzO3-δ (M=Cr, Mn, Fe, Ni, Co) Electrolyte for IT-SOFCs by Laser rapid sintering. Jie Zhang; Lijun Pan; Chao Yuan // Applied Mechanics & Materials;2014, Issue 672-674, p691 

    A laser rapid sintering (LRS) method has been developed for the synthesis of La1-xSrxGa1-yMgy-zMzO3-δ (M=Cr, Mn, Fe, Ni, Co), an excellent electrolyte for solid oxide fuel cells. It is shown that pure perovskite La1-xSrxGa1-yMgy-zMzO3-δ phase can be produced within a few seconds with this...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics