Heat capacity, magnetic and lattice dynamic properties of TbMn1-xFexO3

Mihalik, M.; Fitta, Magdalena; Vávra, M.; Zentková, M.; Vilarinho, R.; Mota, D. A.; Tavares, Pedro B.; Moreira, J. Agostinho; Almeida, A.

doi:10.1088/1742-6596/592/1/012119

Cited by 7 publications

(6 citation statements)

References 6 publications

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“…3b). The last two anomalies coincide with the anomalies already observed [13,17] and were explained as Fe spin reorientation at 8.4 K and ordering of Tb sublattice at 3.1 K [17]. The anomaly for x = 0.5 was also studied by NPD and it was found that it is order-to-order magnetic phase transition of Mn/Fe (Mn) sublattice at T Fe/Mn(Mn) S R = 26 K [16].…”

Section: Resultssupporting

confidence: 81%

“…For concentration x = 0.3 we have observed two anomalies: at 91.4 K and 42 K [13]. These anomalies do not fit on general trend which was observed for concentration range 0 ≤ x ≤ 0.2.…”

Section: Resultscontrasting

confidence: 66%

“…Spin reorientation magnetic phase transitions for concentrations x = 0.5; 0.75 and 1 [10,11,12] was also reported on Fe rich materials. All these facts together with our previous preliminary work [13] indicate that the magnetic phase diagram of this system is rather complex. In this paper we present our research of magnetic and thermal properties revealing the magnetic phase diagram of the TbMn 1−x Fe x O 3 system in the whole concentration range 0 ≤ x ≤ 1.…”

Section: Introductionsupporting

confidence: 63%

“…Our previous measurements of magnetization, heat capacity, dielectric permittivity and polar measurements on samples x = 0; 0.01; 0.25; 0.04; 0.05 and 0.1 [13,15] revealed that the temperature of T N decreases from 41 K for x = 0 to 32.6(6) K for x = 0.1. Also, T S decreases from 25 K for x = 0 to 17 K for x = 0.04, but was not observed already for x = 0.05 [15].…”

Section: Resultsmentioning

confidence: 93%

“…The anomaly for x = 0.5 was also studied by NPD and it was found that it is order-to-order magnetic phase transition of Mn/Fe (Mn) sublattice at T Fe/Mn(Mn) S R = 26 K [16]. Depending on ZFC or FC regime the transition can be accompanied by steep decrease or increase of magnetization [13,16] and by narrow peak in heat capacity [16]. Our measurements indicated that the peak in heat capacity is washed out by magnetic field (see Supplementary data), which emphasize the magnetic character of this phase transition.…”

Section: Resultsmentioning

confidence: 99%

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Magnetic phase diagram of TbMn$_{1-x}$Fe$_x$O$_3$ $(0 \leq x \leq 1)$ substitutional solid solution

Mihalik,

Jaglicic,

Vilarinho

et al. 2016

Preprint

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We present the magnetic phase diagram of TbMn 1−x Fe x O 3 substitutional solid solution in the whole concentration range 0 ≤ x ≤ 1 as determined from magnetization and specific heat measurements. We have found that the dominant magnetic ion in the concentration range 0 ≤ x < 0.3 is manganese, while iron ions do not create independent magnetic structure, but strongly affect magnetic properties of the parent compound by reducing transition to magnetically ordered state and transition into a cycloidal phase. The magnetism in the concentration range 0.3 < x ≤ 1 is driven by the Fe sublattice. The manganese ions again do not order in long range magnetic ordered state, but stabilize four different magnetic structures of Fe sublattice above 2 K. The magnetic ordering of Tb sublattice was observed only on parent compounds TbMnO 3 and TbFeO 3 and for doping level below 0.1, or over 0.9.

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Section: Resultssupporting

confidence: 81%

“…For concentration x = 0.3 we have observed two anomalies: at 91.4 K and 42 K [13]. These anomalies do not fit on general trend which was observed for concentration range 0 ≤ x ≤ 0.2.…”

Section: Resultscontrasting

confidence: 66%