Synthesis and structure determination of Ce 6 Cd 23 Te: a new chalcogen-containing member of the RE 6 Cd 23 T family ( RE is a rare-earth metal and T is a late group 14, 15 and 16 element)

Desroches, Griffen; Bobev, Svilen

doi:10.1107/s2053229617001243

Title: Synthesis and structure determination of Ce ₆ Cd ₂₃ Te: a new chalcogen-containing member of the RE ₆ Cd ₂₃ T family ( RE is a rare-earth metal and T is a late group 14, 15 and 16 element)

Journal Article · Tue Jan 31 00:00:00 EST 2017 · Acta Crystallographica. Section C, Structural Chemistry (Online)

DOI:https://doi.org/10.1107/s2053229617001243· OSTI ID:1536595

Desroches, Griffen; Bobev, Svilen

The ternary phase hexacerium tricosacadmium telluride, Ce₆Cd₂₃Te, was synthesized by a high-temperature reaction of the elements in sealed Nb ampoules and was structurally characterized by powder and single-crystal X-ray diffraction. The structure, established from single-crystal X-ray diffraction methods, is isopointal with the Zr₆Zn₂₃Si structure type (Pearson symbolcF120, cubic space groupFm-3m), a filled version of the Th₆Mn₂₃structure with the same space group and Pearson symbolcF116. Though no Cd-containing rare-earth metal binaries are known to form with this structure, it appears that the addition of small amounts of ap-block element allows the formation of such interstitially stabilized ternary compounds. Temperature-dependent direct current (dc) magnetization measurements suggest local-moment magnetism arising from the Ce³⁺ground state, with possible valence fluctuations at low temperature, inferred from the deviations from the Curie–Weiss law.

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Research Organization:: Univ. of Delaware, Newark, DE (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

DOE Contract Number:: SC0008885

OSTI ID:: 1536595

Journal Information:: Acta Crystallographica. Section C, Structural Chemistry (Online), Vol. 73, Issue 2; ISSN 2053-2296

Publisher:: International Union of Crystallography

Country of Publication:: United States

Language:: English

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Title: Synthesis and structure determination of Ce 6 Cd 23 Te: a new chalcogen-containing member of the RE 6 Cd 23 T family ( RE is a rare-earth metal and T is a late group 14, 15 and 16 element)

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Title: Synthesis and structure determination of Ce ₆ Cd ₂₃ Te: a new chalcogen-containing member of the RE ₆ Cd ₂₃ T family ( RE is a rare-earth metal and T is a late group 14, 15 and 16 element)