Clathrate thermoelectrics

JA Dolyniuk, B Owens-Baird, J Wang, JV Zaikina… - Materials Science and …, 2016 - Elsevier
Clathrates represent a fascinating class of inorganic materials with a unique structural motif:
3D framework with large polyhedral cages encapsulating guest ions. Weak electrostatic …

The thermoelectric performance in transition metal-doped PbS influenced by formation enthalpy

L Gan, F Zhang, M Wang, Q Deng, W Su… - Applied Physics …, 2023 - pubs.aip.org
Transition metals have excellent valence electrical properties and unique electronic state
distribution and are regarded as potential materials for improving thermoelectric …

An exponential-potential description for the guest–host interactions in rattler-containing cage materials

J Wu, J Xu, K Tanigaki - Journal of Physics and Chemistry of Solids, 2024 - Elsevier
Anomalous low-energy excitations (ALEs) associated with the vibrations of atoms
accommodated in a space with large freedom of motion are frequently observed in cage …

Electronic structure and anharmonic phonon mode in with two-dimensional Ba-Ge networks studied by photoemission spectroscopy

T Ishida, D Ootsuki, S Ishida, M Kitamura, K Horiba… - Physical Review B, 2023 - APS
We report the electronic structure of BaIr 2 Ge 7 with two types of cage structure by means of
angle-resolved photoemission spectroscopy (ARPES) and hard x-ray photoemission …

[PDF][PDF] Coexistence of ionic and covalent atomic interactions (bonding inhomogeneity) and thermoelectric properties of intermetallic clathrates

A Ormeci, Y Grin - J. Thermoelectr, 2015 - jnas.nbuv.gov.ua
The influence of atomic interactions on the thermoelectric behavior of the Ba-Ge-based
ternary clathrate-I phases Ba8TxGe46-xy ϒy (T–main group element or late transition metal) …

Cage compound Sc 5 Pt 24 B 12: a Pt-stuffed variant of filled skutterudite structure. Electronic and structural properties

L Salamakha, O Sologub, B Stöger, H Michor… - Dalton …, 2024 - pubs.rsc.org
The title compound was obtained from elements via arc melting and its crystal structure was
determined from single-crystal X-ray diffraction data (space group Im, a= 10.2042 (6) Å). The …

Superconductivity in the layered cage compound Ba3Rh4Ge16

Y Zhao, J Deng, A Bhattacharyya… - Chinese Physics …, 2021 - iopscience.iop.org
We report the synthesis and superconducting properties of a layered cage compound Ba 3
Rh 4 Ge 16. Similar to Ba 3 Ir 4 Ge 16, the compound is composed of 2D networks of cage …

Multiple magnetic transition and magnetocaloric properties in the mixed valence Eu8CuNi2. 5Si42. 5 type I clathrate compound

P Rawat, SH Cha, JH Kim, JH Yun, JS Rhyee - Heliyon, 2024 - cell.com
We investigated the magnetocaloric and electrical transport properties of the Eu 8 CuNi 2.5
Si 42.5 clathrate compound, synthesized by an arc melting and annealing method. X-ray …

Superconductivity in BaIrGe () with cage structure and softening of low-lying localized mode

J Guo, J Yamaura, H Lei, S Matsuishi, Y Qi… - Physical Review B …, 2013 - APS
We report on new superconductors Ba n+ 2 Ir 4 n Ge 12 n+ 4 (n= 1, 2) with critical
temperatures T c= 6.1 and 3.2 K, respectively, along with their crystal structures, electron …

Single crystal synthesis and physical property of Ba8Cu1· 0Ni2. 5Ga10Si33. 5 clathrate

P Rawat, A Sethi, JH Kim, JS Rhyee - Heliyon, 2024 - cell.com
This study reports the synthesis of type-I Ba 8 CuNi 2.5 Ga 10 Si 33.5 clathrate as a single
crystal by the flux method and physical properties investigations such as structural …