2011
DOI: 10.1016/j.jallcom.2010.11.009
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Study of the structure, magnetic properties and free energy of the three phase composites La0.7−y−zSr0.3−xMn1−δ/3O3−δ/(La2O3)y/2/(La(OH)3)z

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Cited by 11 publications
(12 citation statements)
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“…A big interest is being paid to multiferroic materials with coupled electric and magnetic properties because they can exhibit both electrical polarization induced by a magnetic field and magnetization induced by an electric field [5][6][7][8][9]. If these materials are to be used in practical applications, it is necessary to make a composite of magnetic and electric compounds with an improved magnetoelectric effect.…”
Section: Introductionmentioning
confidence: 99%
“…A big interest is being paid to multiferroic materials with coupled electric and magnetic properties because they can exhibit both electrical polarization induced by a magnetic field and magnetization induced by an electric field [5][6][7][8][9]. If these materials are to be used in practical applications, it is necessary to make a composite of magnetic and electric compounds with an improved magnetoelectric effect.…”
Section: Introductionmentioning
confidence: 99%
“…For a better understanding of CMR a large number of studies have been carried out in single crystals [6], thin films [7,8], polycrystalline CMR materials [9,10] and CMR-based composites [11][12][13][14][15][16][17][18]. Many groups have attempted to synthesize CMR-insulator composites, such as La 0.67 Ca 0.33 MnO 3 (LCMO)-MgO [11], LCMO-BaTiO 3 (BTO) [12,13], LCMO-Al 2 O 3 [14,15], La 0.67 Sr 0.33 MnO 3 -La 2 O 3 -La(OH) 3 [16], La 0.67 Sr 0.33 MnO 3 -polyaniline [17] and LCMO-SrTiO 3 (STO) [18], etc.…”
Section: Introductionmentioning
confidence: 99%
“…Many groups have attempted to synthesize CMR-insulator composites, such as La 0.67 Ca 0.33 MnO 3 (LCMO)-MgO [11], LCMO-BaTiO 3 (BTO) [12,13], LCMO-Al 2 O 3 [14,15], La 0.67 Sr 0.33 MnO 3 -La 2 O 3 -La(OH) 3 [16], La 0.67 Sr 0.33 MnO 3 -polyaniline [17] and LCMO-SrTiO 3 (STO) [18], etc. Incorporation of insulating materials as a second phase is believed to be advantageous to enhance extrinsic CMR behaviour as they make the GBs insulating, thus creating a barrier in the way of the charge carriers followed by an enhancement of tunneling probability.…”
Section: Introductionmentioning
confidence: 99%
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“…In particular, divalent substitution represented by partial La 3+ replacement by Sr 2+ have shown to be effective for tailoring magnetic properties such as the saturation magnetization M s and Curie temperature T c . Large variations as large as Δ T c = 200 K have been reported for Sr contents x between 0.1 and 0.50 for La 1− x Sr x MnO 3 series together with intermediate M s values (around 35 Am 2 /kg, compared with La 1− x Ca x systems with high M s around 50 Am 2 /kg) for Sr concentration lower than x = 0.30 at room temperature . This marked dependence of the magnetic response with the Sr concentration has been explained in terms of the influence of the divalent atoms affecting the superexchange mechanism in favor of the double exchange interaction, which leads to higher T c and M s .…”
Section: Introductionmentioning
confidence: 99%