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The persistence of the magnetocaloric effect in (La1-x)A(x)(0.67)Ba0.33Mn1.05O3-δ

Authors
Publisher
American Institute of Physics
Publication Date
Keywords
  • Polycrystalline Samples Of (La1-Xax)0
  • 67Ba0
  • 33Mn1
  • 05O3-δ
  • With A Being A Mixture Of Lanthanides Containing 66% La
  • 22% Nd
  • 8% Pr And 4% Ce
  • Were Prepared By The Glycine-Nitrate Method
  • With Target Compositions Of X = 0
  • 0
  • 33
  • 0
  • 67 And 1
  • The Effect Of The Mixture Of Lanthanides On The Curie Temperature
  • Tc
  • And The Magnetocaloric Properties Was Investigated
  • The Prepared Samples Are Single Phase
  • With Space Group R-3C
  • The Lattice Parameters And Average A-Site Ionic Radius
  • Ra Decrease Linearly With X While The Size Disorder
  • As Characterized By The Variance
  • σ2
  • Increases From 0
  • 014 To 0
  • 017 With X
  • As X Is Increased
  • The Increase In σ2 Drives A Linear Decrease In Tc
  • The Magnetic Entropy Change
  • ΔSm
  • For A Field Change Of 1 T Is Obtained By Magnetization Measurements
  • Giving A Maximum Value Of 1
  • 7 J/Kg K
  • And A Relative Cooling Power
  • Rcp
  • Of 43 J/Kg
  • Independent Of X
  • These Results Suggest That Replacing Lanthanum With A Mixture Of Lanthanides Is A Realistic Way To T

Abstract

The persistence of the magnetocaloric effect in (La1-x)A(x)(0.67)Ba0.33Mn1.05O3-δ - DTU Orbit (19/03/14) The persistence of the magnetocaloric effect in (La1-x)A(x)(0.67)Ba0.33Mn1.05O3-δ - DTU Orbit (19/03/14) Ancona-Torres, Carlos Eugenio et al."The persistence of the magnetocaloric effect in (La1-x)A(x)(0.67)Ba0.33Mn1.05O3- δ". Journal of Applied Physics. 2010, 108(7). 073914. Available: http://dx.doi.org/10.1036/1.3490222

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