Magnetic order in RAgGe (R=Gd–Er) intermetallic compounds

Baran, S.; Hofmann, M.; Leciejewicz, J.; Penc, B.; Ślaski, M.; Szytuła, A.

doi:10.1016/s0925-8388(98)00721-x

Cited by 29 publications

(34 citation statements)

References 10 publications

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“…16). These are in agreement with the temperatures determined by earlier measurements on polycrystalline samples [12,13]. There is one more, broader, lower temperature peak in Fig.…”

Section: Dyaggesupporting

confidence: 91%

“…22b seems to have an even broader feature close to these temperatures. It should be noted that, as in the case of TbAgGe, the measurements on polycrystalline samples [13] missed a transition (e.g. the lower one for HoAgGe), whereas the reported temperature of the upper transition falls close to our measured value.…”

Section: Hoaggesupporting

confidence: 80%

“…Based on all the measurements performed on single crystals of TbAgGe, we can identify at least three transitions, at T=(28.4±0.1)K, (24.65±0.05)K and (19.8±0.1)K; the lowest two temperatures are very close to those reported in [13] for the polycrystalline samples (from magnetization and neutron diffraction measurements) as the only transitions. We are thus led to believe that the highest (antiferromagnetic) transition temperature, as well as any other possible ordering temperatures, was not detected by the measurements made on polycrystalline samples.…”

Section: Tbaggesupporting

confidence: 69%

“…Using single crystal samples we have done a detailed analysis of temperature and field dependent anisotropic magnetization and transport measurements, and established the trends caused by the change of the rare earth in the physical properties. This has allowed us to more fully characterize the series than in the previous studies done on polycrystalline samples [12,13], and establish an experimental baseline for more detailed studies of specific members of this series.…”

Section: Introductionmentioning

confidence: 99%

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Thermodynamic and transport properties of RAgGe (R=Tb–Lu) single crystals

Morosan

Bud’ko

Canfield

et al. 2004

Journal of Magnetism and Magnetic Materials

106

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Single crystals of the title compounds were grown out of an AgGe-rich ternary solution. Powder x-ray diffraction data confirmed the hexagonal AlNiZr-type structure (P62m space group), an ordered variant of the Fe 2 P structure type. Antiferromagnetic ordering can be inferred from magnetization, resistance and specific heat measurements, with values of T N between 28.5 K for TbAgGe, and 1.0 K for YbAgGe, which scale roughly with the de Gennes factor. Anisotropic M (H) measurements indicate one or more metamagnetic transitions when the external field is applied along the c-axis (for R=Tb) or perpendicular to it (R = Ho, Er, Tm), or even in both orientations as in the case of DyAgGe. Furthermore, the extreme anisotropy of the magnetization in TmAgGe, where magnetic moments lie in the ab-plane, provides the possibility of studying the angular dependence of metamagnetism in hexagonal compounds with the rare earth in orthorhombic point symmetry.YbAgGe has distinct properties from the rest of the series: an enhanced electronic specific heat coefficient (γ ≈(154.2±2.5)mJ/mol*K 2 ), and apparently small moment magnetic ordering below 1.0 K. This compound appears to be close to a quantum critical point.

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“…16). These are in agreement with the temperatures determined by earlier measurements on polycrystalline samples [12,13]. There is one more, broader, lower temperature peak in Fig.…”

Section: Dyaggesupporting

confidence: 91%

Section: Hoaggesupporting

confidence: 80%

Section: Tbaggesupporting

confidence: 69%

Section: Introductionmentioning

confidence: 99%

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Thermodynamic and transport properties of RAgGe (R=Tb–Lu) single crystals

Morosan

Bud’ko

Canfield

et al. 2004

Journal of Magnetism and Magnetic Materials

106

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“…As it is readily apparent from the The growths of W t I n and RAgGe produced well-formed single crystals. Since all of the existing reports on these two series were based on polycrystalline samples (Baran, 1998;Gibson, 1996;Watson, 1995;Zaxernba, 2001) (Gibson, 1996) to crystallize in the hexagonal ZrNiAl-type structure. We were able to grow most of these compounds in single crystalline form, with the exception of YAgGe, SrnAgGe and GdAgGe.…”

Section: Physical Properties Of Heavy 'Fermionsmentioning

confidence: 99%

Field-induced magnetic phase transitions and correlated electronic states in the hexagonal RAgGE and RPtIn series

Morosan

2005

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ChemInform Abstract: Magnetic Order in LnAgGe (Ln: Gd—Er) Intermetallic Compounds.

Baran¹,

Hofmann²,

Leciejewicz³

et al. 1999

ChemInform

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1999 dielectric properties, magnetic properties dielectric properties, magnetic properties D 9000 -023Magnetic Order in LnAgGe (Ln: Gd-Er) Intermetallic Compounds.-Polycrystalline title compounds are prepared by arc-melting of the elements and subsequent annealing at 970 K (10 d). Neutron diffraction data reveal a hexagonal ZrNiAl type structure (space group P62m). Magnetic measurements show antiferromagnetic ordering at Neel temperatures between 15.6 K for GdAgGe and 3.6 K for ErAgGe. For TbAgGe the neutron diffraction data reveal a complicated sine modulated magnetic structure which is affected by temperature changes. -(BARAN, S.; HOFMANN, M.; LECIEJEWICZ, J.; PENC, B.; SLASKI, M.; SZYTULA, A.; J. Alloys Compd. 281 (1998) 2, 92-98; Inst. Phys., Jagellonian Univ., PL-30-059 Krakow, Pol.; EN)

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Magnetic order in RAgGe (R=Gd–Er) intermetallic compounds

Cited by 29 publications

References 10 publications

Thermodynamic and transport properties of RAgGe (R=Tb–Lu) single crystals

Thermodynamic and transport properties of RAgGe (R=Tb–Lu) single crystals

Field-induced magnetic phase transitions and correlated electronic states in the hexagonal RAgGE and RPtIn series

ChemInform Abstract: Magnetic Order in LnAgGe (Ln: Gd—Er) Intermetallic Compounds.

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