2014
DOI: 10.1109/tmag.2014.2329838
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Large Magnetocaloric Effect Around Room Temperature in Double-Exchange Ferromagnets Pr1–xSrxMnO3 With Short-Range Interactions

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Cited by 7 publications
(4 citation statements)
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“…Как было сказано выше, манганиты представляют большой интерес как материалы с гигантскими зна-чениями МКЭ, поэтому значительная часть работ по- священа именно исследованию магнитокалорических свойств [10][11][12][13]15,16,22]. Величина МКЭ для одного и того же химического состава колеблется у разных авторов от 1.55 J/kg · K в [16] до 2.9 J/kg · K в [15] в магнитном поле 2 T (см.…”
Section: результаты и обсуждениеunclassified
“…Как было сказано выше, манганиты представляют большой интерес как материалы с гигантскими зна-чениями МКЭ, поэтому значительная часть работ по- священа именно исследованию магнитокалорических свойств [10][11][12][13]15,16,22]. Величина МКЭ для одного и того же химического состава колеблется у разных авторов от 1.55 J/kg · K в [16] до 2.9 J/kg · K в [15] в магнитном поле 2 T (см.…”
Section: результаты и обсуждениеunclassified
“…Pr 1 -x Sr x MnO 3 with 0.3 ≤ x ≤ 0.4 was reported to be a FM conductor at low temperature, whereas Pr 0.5 Sr 0.5 MnO 3 was a charge-ordered anti-FM [5]. The magneto-transport properties of Pr 1 -x Sr x MnO 3 compounds with 0.3 ≤ x ≤ 0.45 were reported that samples undergo the second order phase transition and the critical exponent β value decreased monotonically with increasing Sr concentration [6]. Pr 0.7 Sr 0.3 MnO 3 polycrystalline exhibited a semiconductor-metal transition in vicinity of the Curie temperature [7].…”
Section: Introductionmentioning
confidence: 99%
“…This value is comparable with that of some manganites. For a comparison,Table 1shows the T C and MC-related parameters for our LCBMO NPs compared with those of some manganites[14][15][16][17][18][19][20][21][22][23][24]. In the manganites, it was also found that the |∆S max |/H ≈ 0.15-0.20 J·kg -1 ·K -1 ·kOe -1 in La 0.7 (Ca 0.3-x Sr x )MnO 3[15][16][17][18].…”
mentioning
confidence: 99%
“…In the manganites, it was also found that the |∆S max |/H ≈ 0.15-0.20 J·kg -1 ·K -1 ·kOe -1 in La 0.7 (Ca 0.3-x Sr x )MnO 3[15][16][17][18]. However, this value is lower than that of Pr 1-x Sr x MnO 3 (x = 0.3-0.45), where the ratio of |∆S max |/H is found to be about 0.21-0.33 J·kg -1 ·K -1 ·kOe -1[22,23].Corresponding to a large MC effect in the perovskite manganites, the Zener DE model is strongly recommended, which is related to the coexistence and the competition of the DE FM interactions of Mn 3+ -Mn 4+ and the SE anti-FM interactions of Mn 3+ -Mn 3+ and Mn 4+ -Mn 4+[25]. Additionally, Guo…”
mentioning
confidence: 99%