Single-Crystal Neutron Diffraction Study of the Heavy-Electron Superconductor CeNiGe<sub>3</sub>

Ikeda, Yoichi; Ueta, Daichi; Yoshizawa, H.; Nakao, Akiko; Munakata, Koji; Ohhara, Takashi

doi:10.7566/jpsj.84.123701

Cited by 6 publications

(4 citation statements)

References 22 publications

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“…[56] Later, it was corrected to SmNiGe 3 structure type, using various techniques such as single crystal and neutron diffraction studies. [8,[90][91][92][93] The CePtGa 3 structure has a motif like the ThCr 2 Si 2 . However, the T metal atom occupies a mixed position with the X atom (Figure 4d).…”

Section: Structure and Crystal Chemistrymentioning

confidence: 99%

“…reported CeNiGe 3 in cubic Yb 3 Rh 4 Sn 13 structure type with Ce−Ge disorder based on the polycrystalline sample [56] . Later, it was corrected to SmNiGe 3 structure type, using various techniques such as single crystal and neutron diffraction studies [8,90–93] . The CePtGa 3 structure has a motif like the ThCr 2 Si 2 .…”

Section: Structure and Crystal Chemistrymentioning

confidence: 99%

“…[91] However, later Ikeda et al reported only one AFM temperature at 5.2 K with an incommensurate propagation vector using single-crystal neutron diffraction. [93] The compounds having the composition EuTGe 3 (T -Co, Ni, Rh, Ir, Pt, Pd) crystallize in the BaNiSn 3 structure type, and their AFM ordering temperature is listed in Table 4. Except for EuRhGe 3 , EuPdGe 3, and EuPtGe 3 , all show two AFM orderings.…”

Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

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Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Singh

Sarkar

Peter

2022

The Chemical Record

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Rare Earth (re) based intermetallics are a fascinating class of inorganic compounds due to the presence of highly localized f‐electrons. Among the ternary intermetallics, RETX3 (RE – Rare Earth, T – Transition metals, X – 13–15th elements of the main groups) is one of the most widely studied RE‐based intermetallic families in terms of diverse crystal structures as well as physical properties. This perspective presents a brief account of different structural variations observed in this family of compounds. We have also discussed structure‐property correlations in selected compounds in this series that show interesting physical properties such as spin‐glass behavior, superconductivity, heavy fermion behavior, Kondo behavior, etc. The origin of different physical properties of these compounds is also discussed in brief by correlating their crystal structures.

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Section: Structure and Crystal Chemistrymentioning

confidence: 99%

Section: Structure and Crystal Chemistrymentioning

confidence: 99%

Section: P E R S O N a L A C C O U N T T H E C H E M I C A L R E C O R Dmentioning

confidence: 99%

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Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Singh

Sarkar

Peter

2022

The Chemical Record

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“…A polycrystalline study of CeNiGe 3 reported having two antiferromagnetic phase transitions below T N 1 = 5.9 K and T N 2 = 5 K with the propagation vectors k 1 = (1 0 0) and k 2 = (0, 0.41, 0.5), respectively [146]. However, the single crystal study of CeNiGe 3 was later reported to have only one antiferromagnetic phase below T N = 5 K, which is characterized by an incommensurate propagation vector k = (0, 0.41, 0.5) [147,148]. Complex magnetic behavior was reported under applied magnetic fields [147].…”

Section: Magnetic Propertiesmentioning

confidence: 99%

Review on crystal structures and magnetic properties of RTX ₃ materials

Binod¹,

O'Rourke²,

Roy³

2022

J. Phys.: Condens. Matter

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The structural and compositional diversity of the RTX 3 family of materials offers various magnetic and thermodynamic properties such as complex magnetic structure, vibronic bound states, heavy-fermions, valence fluctuations, metamagnetism, spin glass behavior, quantum criticality, and unconventional superconductivity. Here we present an overview of the crystal structures, crystal growth and magnetic properties of RTX 3 compounds as well as a discussion of the relevant physics. The magnetic properties of several compounds of the RTX 3 family still remain unexplored. The compounds with a complex magnetic structure could potentially host exotic topological phases. This review article may help in the exploration of exotic magnetic properties such as the vibron state and topological spin textures.

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Magnetic structure and crystal-field states of antiferromagnetic CeNiGe3 : Neutron scattering and μSR investigations

Kataria,

Kumar,

Adroja

et al. 2024

Phys. Rev. B

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We present the results of microscopic investigations of antiferromagnetic CeNiGe3 using neutron powder diffraction (NPD), inelastic neutron scattering (INS), and muon spin relaxation (μSR) measurements. CeNiGe3 crystallizes in a centrosymmetric orthorhombic crystal structure (space group Cmmm) and undergoes antiferromagnetic (AFM) ordering. The occurrence of long-range AFM ordering at TN≃5.2K is confirmed by magnetic susceptibility, heat capacity, neutron diffraction, and μSR measurements. The NPD data characterize the AFM state with an incommensurate helical magnetic structure having a propagation vector = (0, 0.41, 1/2). In addition, INS measurements at 10 K identified two crystal electric field (CEF) excitations at 9.17 meV and 18.42 meV. We analyzed the INS data using a CEF model for an orthorhombic environment of Ce3+ (J=5/2) and determined the CEF parameters and ground state wave functions of CeNiGe3. Moreover, zero-field μSR data for CeNiGe3 at T<TN show long-range AFM ordering with three distinct oscillation frequencies corresponding to three different internal fields at the muon sites. The internal fields at the muon-stopping sites have been further investigated using density functional theory calculations. Published by the American Physical Society 2024

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Single-Crystal Neutron Diffraction Study of the Heavy-Electron Superconductor CeNiGe₃

Cited by 6 publications

References 22 publications

Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Review on crystal structures and magnetic properties of RTX ₃ materials

Magnetic structure and crystal-field states of antiferromagnetic CeNiGe3 : Neutron scattering and μSR investigations

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Single-Crystal Neutron Diffraction Study of the Heavy-Electron Superconductor CeNiGe3

Cited by 6 publications

References 22 publications

Diversity in Crystal Structure and Physical Properties of RETX3 (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Diversity in Crystal Structure and Physical Properties of RETX3 (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Review on crystal structures and magnetic properties of RTX 3 materials

Magnetic structure and crystal-field states of antiferromagnetic CeNiGe3 : Neutron scattering and μSR investigations

Contact Info

Product

Resources

About

Single-Crystal Neutron Diffraction Study of the Heavy-Electron Superconductor CeNiGe₃

Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Diversity in Crystal Structure and Physical Properties of RETX₃ (RE – Rare Earth, T – Transition Metal, X – Main Group Element) Intermetallics

Review on crystal structures and magnetic properties of RTX ₃ materials