2018
DOI: 10.1007/s10948-017-4521-7
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Revival of Metal-Insulator and Ferromagnetic-Paramagnetic Transitions by Ni Substitution at Mn Site in Charge-Ordered Monovalent Doped Nd0.75Na0.25MnO3 Manganites

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Cited by 11 publications
(7 citation statements)
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“…In fact, our finding is in line with the previous study [20]. However, no MI transition temperature was observed for y = 0.10 sample most likely due to the suppression of DE mechanism as a result of inclining of charge ordering (CO) state [19,21]. In addition, the suppression of the DE mechanism for the sample is also supported by the absence of the Curie temperature TC as well as existing of Neel temperature TN in susceptibility measurement.…”
Section: Experiments Methodssupporting
confidence: 92%
“…In fact, our finding is in line with the previous study [20]. However, no MI transition temperature was observed for y = 0.10 sample most likely due to the suppression of DE mechanism as a result of inclining of charge ordering (CO) state [19,21]. In addition, the suppression of the DE mechanism for the sample is also supported by the absence of the Curie temperature TC as well as existing of Neel temperature TN in susceptibility measurement.…”
Section: Experiments Methodssupporting
confidence: 92%
“…For Nd 0.5 Ca 0.5 MnO 3 , the compound undergoes a charge ordering (CO) transition at T CO = 250 K and the AFM ordering transition at T N = 160 K, which is consistent with the study done by Wu et al [7,8]. In this case, both authors suggested that the presence of CO was due to the JT distortion, resulting in the distortion of MnO 6 octahedral and localization of charge carrier, by decreasing its mobility, which seemed to weaken the DE interaction [7][8][9]. Meanwhile, when NdMnO 3 was doped with monovalent cations such as Na + and K + , it showed an FM insulator behavior and CO transition was observed for Nd 1−x Na x MnO 3 at −250 K when x > 0.1 [5,10].…”
Section: Introductionsupporting
confidence: 86%
“…However, Mn-O-Mn bond angle showed no trend with the increased Bi-doped. The tolerance factor (τ) was calculated using formula τ = (<r A > + <r O >)/ √ 2 ((<r B > + <r O >), where <r A >, <r B > and <r O > represent the average ionic radii of A, B and O sites, respectively [9]. The values of τ showed an increase from 0.515 (x = 0) to 0.529 (x = 0.50), as seen in Table 2.…”
Section: Structural Analysismentioning
confidence: 99%
“…This is because of the SE FM interactions between Ni 2+ and Mn 4+ ions, which facilitates the DE interaction between Mn 3+ and Mn 4+ ions. Some studies suggest the presence of a DE-like interaction between Ni 2+ and Mn 4+ ions [27]. The effects of both magnetic ions, Ni and Cr substitution, especially in CO monovalent-doped manganites, have not been thoroughly investigated, and only a limited number of reports are available.…”
Section: Introductionmentioning
confidence: 99%