Magnetic properties of RNi1−xIn1+x (R=Gd–Er) compounds

Tyvanchuk, Yu.; Kalyczak, Ya.M.; Gondek, Ł.; Rams, Michał; Szytuła, A.; Tomkowicz, Z.

doi:10.1016/j.jmmm.2003.11.018

Cited by 35 publications

(17 citation statements)

References 27 publications

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“…The magnetic ordering temperatures, T ord , as inferred from the M (T ) dependences are summarized in Table. The transition temperatures are generally in agreement with previously published values [2,3]. The determined entropy change for the Tb 1−x Y x NiAl compounds is shown in Fig.…”

Section: Resultssupporting

confidence: 90%

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Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries

2010

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We have studied the development of the magnetocaloric effect in the (Tb,Y)NiAl and TbNi(Al,In) series as determined from magnetization measurements. The transition from antiferromagnetic order in TbNiAl to ferromagnetic order in Tb 0.7 Y 0.3 NiAl is accompanied by increase of the maximum entropy change from −4.1 to −4.4 J kg −1 K −1 . In the TbNi(Al,In) series, the change of uniaxial anisotropy in TbNiAl to the easy-plane anisotropy in TbNiIn leads to broadening of the magnetocaloric effect accompanied with large increase of the relative cooling power from 66 to 120 J kg −1 .

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Section: Resultssupporting

confidence: 90%

“…On the other hand, the change from the easy-axis to the easy-plane anisotropy occurs in TbNi(Al,In) compounds. TbNiIn orders magnetically around 70 K and undergoes further magnetic phase transition at 26 K. Complex non-collinear arrangement of Tb moments within the basal plane was reported for TbNiIn [3,4].…”

Section: Introductionmentioning

confidence: 91%

Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries

2010

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“…Magnetization and ac-susceptibility measurements revealed magnetic order below T ord ∼ = 70 K. 15,16 Additional magnetic phase transitions at T = 59 K and T 1 = 29 K were furthermore indicated by anomalies observed in ac-susceptibility data. 15 Our recent magnetic bulk measurements 17 showed similar features with slightly different transition temperatures: T ord = 72 K, T = 54 K, and T 1 = 20 K. In the paramagnetic region, the magnetization follows the Curie-Weiss law with positive θ P = 55 K and the effective moment close to the Tb 3+ free-ion value. Powder neutron diffraction experiments revealed two magnetic phases with transition temperatures of T ord = 68 K and T 1 = 32 K (Ref.…”

Section: Introductionmentioning

confidence: 89%

Development of magnetic order in the TbNi(Al,In) series and magnetocrystalline anisotropy in TbTXcompounds

Klicpera¹,

Javorský²,

Orench³

2011

Phys. Rev. B

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We report on the magnetic structures in the TbNiAl 1−x In x compounds as determined by powder neutron diffraction. These compounds belong to a large family of ternary rare-earth intermetallics crystallizing in the ZrNiAl-type hexagonal structure. All studied compounds order magnetically with magnetic structures characterized by k 1 = (0,0,0) and k 2 = ( 1 2 ,0, 1 2 ) propagation vectors and magnetic moments aligned along or perpendicular to the hexagonal c axis. The magnetocrystalline anisotropy changes from uniaxial in the In-poor compounds (x 0.4) to planar in the In-rich compounds (x 0.5). The change of magnetocrystalline anisotropy type is a consequence of the development of structural parameters in the studied series. The Tb moments are oriented along the c axis when the nearest Tb-Tb distances between the planes are large compared to those within the planes, whereas Tb moments lie within the basal planes in the opposite case. This picture relating the structural parameters and anisotropy type can be generalized to the whole group of Tb-based compounds with the ZrNiAl type of structure.

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“…The Tb magnetic moments are oriented parallel to the c-axis in both magnetic phases [5]. TbNiIn orders magnetically below T ord ≈ 70 K with additional magnetic phase transitions indicated by ac-susceptibility at T 1 = 59 K and T 2 = 29 K [6]. As inferred from neutron diffraction, the Tb moments lie within the basal plane * corresponding author; e-mail: Mi.Klicpera@seznam.cz and form a non-collinear structure below the transition temperature T ord , while an additional weaker component develops below T 2 [7].…”

Section: Introductionmentioning

confidence: 97%

“…To bring deeper information about the relation between magnetic anisotropy and crystal structure, the TbNi(Al,In) series seems to be ideal. The Al-In substitution is isoelectronic, so the changes of magnetic structure are primarily driven by the large change of the lattice parameters that occurs in this series [5,6]. Both parent compounds have been previously studied.…”

Section: Introductionmentioning

confidence: 99%

Magnetic Phase Transitions in TbNi(Al,In) Compounds

2010

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The magnetic phase transitions in TbNiAl 1−x In x compounds were investigated by ac-susceptibility measurements. Our data reveal magnetic ordering with transition temperatures between 40 and 70 K, depending on the In concentration. All the studied compounds exhibit two or more phase transitions accompanied by distinct anomalies in the real and imaginary part of the ac-susceptibility. The paramagnetic Curie temperatures remain positive in the whole series.

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Magnetic properties of RNi1−xIn1+x (R=Gd–Er) compounds

Cited by 35 publications

References 27 publications

Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries

Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries

Development of magnetic order in the TbNi(Al,In) series and magnetocrystalline anisotropy in TbTXcompounds

Magnetic Phase Transitions in TbNi(Al,In) Compounds

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Magnetic properties of RNi1−xIn1+x (R=Gd–Er) compounds

Cited by 35 publications

References 27 publications

Magnetocaloric Effect of the Tb1-xYxNiAl and TbNiAl1-yInySeries

Magnetocaloric Effect of the Tb1-xYxNiAl and TbNiAl1-yInySeries

Development of magnetic order in the TbNi(Al,In) series and magnetocrystalline anisotropy in TbTXcompounds

Magnetic Phase Transitions in TbNi(Al,In) Compounds

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Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries

Magnetocaloric Effect of the Tb_1-xY_xNiAl and TbNiAl_1-yIn_ySeries