Superconducting Properties of LaSn3 Under Positive Hydrostatic Pressure

Singh, Surinder; Kumar, Ranjan

doi:10.1007/s10948-019-5134-0

Cited by 2 publications

(2 citation statements)

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“…Bismuth and tin-based intermetallic compounds are interesting for many technologies and high-tech applications. They own many unique and desirable properties for optoelectronics, solders, fusible alloys, substitutes of lead, thermoelectrics, superconductors, and electronic device applications. − Superconductivity has been observed in many p -elements, such as Sn, and in their binary intermetallic compounds, like in the La–Sn system. − Nb 3 Sn shows excellent superconducting performance at lower temperatures and under high magnetic fields . Pd 3 Bi has been applied in catalysis; bismuth tellurides found applications as superconductors, as advanced thermoelectric materials, and in mobile refrigerators or infrared detectors .…”

Section: Introductionmentioning

confidence: 99%

“…1 − 3 Superconductivity has been observed in many p -elements, such as Sn, and in their binary intermetallic compounds, like in the La–Sn system. 4 − 6 Nb 3 Sn shows excellent superconducting performance at lower temperatures and under high magnetic fields. 7 Pd 3 Bi has been applied in catalysis; 8 bismuth tellurides found applications as superconductors, as advanced thermoelectric materials, and in mobile refrigerators or infrared detectors.…”

Section: Introductionmentioning

confidence: 99%

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Honeycomb Constructs in the La–Ni Intermetallics: Controlling Dimensionality via p-Element Substitution

Shtender,

Smetana,

Crivello

et al. 2023

Inorg. Chem.

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The new ternary compounds La15Ni13Bi5 and La9Ni8Sn5 were obtained by arc melting under argon from appropriate amounts of the elements and subsequent annealing at 800 °C for 2 weeks. Single-crystal X-ray diffraction reveals that they represent two new structure types: La15Ni13Bi5 crystallizes in the hexagonal space group P 2m [hP33, a = 14.995(3), c = 4.3421(10) Å, V = 845.5(4) Å3, Z = 1] and La9Ni8Sn5 in P63/m [hP88, a = 23.870(15), c = 4.433(3) Å, V = 2187(3) Å3, Z = 4]. The crystal structures of both compounds are characterized by hexagonal honeycomb-based motifs formed by Ni and Sn that extend along the c axis. The building motif with its three-blade wind turbine shape is reminiscent of the organic molecule triptycene and is unprecedented in extended solids. First-principles calculations have been performed in order to analyze the electronic structure and provide insight into chemical bonding. They reveal significant electron transfer from La to Ni and the respective p-element, which supports the formation of the polyanionic Ni-p-element network. DFT calculations suggest paramagnetic-like behavior for both compounds, which was confirmed by magnetic measurements.

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