The effect of Ho-doping and Ho-adding on electronic transport and magnetic properties of La0.67Ca0.33MnO3

A series of Ho x -La 0.67 Ca 0.33 MnO 3 thin films with x = 0.0, 0.2, 04, 0.6, and 1.0 mol percent have been deposited on SrTiO 3 (100) substrates with the substrate temperature controlled at 600 o C by dc magnetron sputtering. The magnetic ordering (T c ) and metal-insulator transition temperature (T MI ) were enhanced about 25~60 K for Ho x -La 0.67 Ca 0.33 MnO 3 films. At x = 0.4 the ordering temperature has been increased above 280 K. The variation of the ordering temperature is simply ascribed to the presence of Ho. The results of magnetoresistance measurements indicated that the samples exhibited colossal magnetoresistance effect (CMR) and a maximum was observed at a temperature T P . It was noted that the variation of T P with x displayed the same trend as that of T MI . Although the CMR was suppressed with the addition of Ho, a sizeable CMR ≈ 20 % was still detected at 270 K in the sample with 0.4 mol % Ho due to much higher T P .

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Enhancement of ordering temperatures of La_0.67Ca_0.33MnO₃ thin films by adding Ho atoms

Hsu

Hung

Biswas

et al. 2007

Physica Status Solidi (b)

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Electrical properties of La0.72Ca0.28MnO3: Ag0.2 thin films of different deposition time prepared by deposited pulsed laser method

et al. 2021

J Mater Sci: Mater Electron

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Improvement of the Magnetization and Coercivity of La 0 . 6 7 Ca 0 . 3 3 MnO3 Induced by Substitution of Nickel for Manganese

Yuan

et al. 2017

J Supercond Nov Magn

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The effect of Ho-doping and Ho-adding on electronic transport and magnetic properties of La0.67Ca0.33MnO3

Cited by 3 publications

References 29 publications

Enhancement of ordering temperatures of La_0.67Ca_0.33MnO₃ thin films by adding Ho atoms

Enhancement of ordering temperatures of La_0.67Ca_0.33MnO₃ thin films by adding Ho atoms

Electrical properties of La0.72Ca0.28MnO3: Ag0.2 thin films of different deposition time prepared by deposited pulsed laser method

Improvement of the Magnetization and Coercivity of La 0 . 6 7 Ca 0 . 3 3 MnO3 Induced by Substitution of Nickel for Manganese

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The effect of Ho-doping and Ho-adding on electronic transport and magnetic properties of La0.67Ca0.33MnO3

Cited by 3 publications

References 29 publications

Enhancement of ordering temperatures of La0.67Ca0.33MnO3 thin films by adding Ho atoms

Enhancement of ordering temperatures of La0.67Ca0.33MnO3 thin films by adding Ho atoms

Electrical properties of La0.72Ca0.28MnO3: Ag0.2 thin films of different deposition time prepared by deposited pulsed laser method

Improvement of the Magnetization and Coercivity of La 0 . 6 7 Ca 0 . 3 3 MnO3 Induced by Substitution of Nickel for Manganese

Contact Info

Product

Resources

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Enhancement of ordering temperatures of La_0.67Ca_0.33MnO₃ thin films by adding Ho atoms

Enhancement of ordering temperatures of La_0.67Ca_0.33MnO₃ thin films by adding Ho atoms