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Related papers: High-Performance Thermoelectric Oxides Based on Sp…

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Using finite-temperature phonon calculations and machine-learning methods, we calculate the mechanical stability of about 400 semiconducting oxides and fluorides with cubic perovskite structures at 0 K, 300 K and 1000 K. We find 92…

Materials Science · Physics 2017-02-10 Ambroise van Roekeghem , Jesús Carrete , Corey Oses , Stefano Curtarolo , Natalio Mingo

Ferromagnetic electrodes chemically bonded with thiol functionalized molecules can produce novel molecular spintronics devices. However, major challenges lie in developing Ferromagnetic electrodes based commercially viable device…

Materials Science · Physics 2019-12-04 Pawan Tyagi , Edward Friebe , Collin Baker

The family of Van der Waals dichalcogenides (VdWDs) includes a large number of compositions and phases, exhibiting varied properties and functionalities. They have opened up a novel electronics of two-dimensional materials, characterized by…

This work investigates how site-specific doping can enhance the thermoelectric performance of tetragonal Cu$_{2}$S using Density functional Theory and Projected Atomic Orbital Framework for Electronic Transport. We address the gap in…

Materials Science · Physics 2025-01-29 Sonam Phuntsho

The electronic and thermoelectric properties of molecular junctions formed from iron and ruthenium metal-acetylide were studied using complementary experimental techniques and quantum chemical simulations. We performed physical…

The electronic transport and spincaloric properties of epitaxial magnetic tunnel junctions with half-metallic Co$_2$MnSi Heusler electrodes, MgO tunneling barriers, and different interface terminations are investigated by using…

Materials Science · Physics 2018-05-16 Benjamin Geisler , Peter Kratzer

We investigate the Sn-substitution effect on the thermoelectric transport properties of the layered cobaltite [Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$] single crystals, which exhibit a non-monotonic temperature variation of the electrical…

Strongly Correlated Electrons · Physics 2025-11-04 Motoya Takenaka , Shogo Yoshida , Yoshiki J. Sato , Ryuji Okazaki

Increasing demands for renewable sources of energy has been a major driving force for developing efficient thermoelectric materials. Two-dimensional (2D) transition-metal dichalcogenides (TMDC) have emerged as promising candidates for…

Materials Science · Physics 2023-05-24 Sathwik Bharadwaj , Ashwin Ramasubramaniam , L. R. Ram-Mohan

Thermoelectric materials allow the direct conversion of waste heat into electricity, and novel materials are being investigated for this purpose. Recently, doped Bi$_2$O$_2$Se has shown high application potential. In this study, we discuss…

Hybrid devices based on spin-crossover (SCO)/2D heterostructures grant a highly sensitive platform to detect the spin transition in the molecular SCO component and tune the properties of the 2D material. However, the fragility of the SCO…

The longitudinal spin Seebeck effect (LSSE) has been investigated in high-quality epitaxial CoFe2O4 (CFO) thin films. The thermally excited spin currents in the CFO films are electrically detected in adjacent Pt layers due to the inverse…

Materials Science · Physics 2016-02-17 Er-Jia Guo , Andreas Herklotz , Andreas Kehlberger , Joel Cramer , Gerhard Jakob , Mathias Klaeui

Recent experiments on Mn doped multiferroic $CoCr_{2}O_{4}$ indicate that a possible distribution of Mn atoms among tetrahedrally and octahedrally coordinated sites in the spinel lattice give rise to different variations in the structural…

Materials Science · Physics 2017-01-04 Debashish Das , Subhradip Ghosh

Recently, Heusler alloys-based spin gapless semiconductors (SGSs) with high Curie temperature (TC) and sizeable spin polarization have emerged as potential candidates for tunable spintronic applications. We report comprehensive…

We assess the potential of the ferrimagnetic spinel ferrites CoFe2O4 and NiFe2O4 to act as spin filtering barriers in magnetic tunnel junctions. Our study is based on the electronic structure calculated by means of first-principles density…

Materials Science · Physics 2015-06-12 Nuala M. Caffrey , Daniel Fritsch , Thomas Archer , Stefano Sanvito , Claude Ederer

We present a first-principles density functional theory study of the structural, electronic, optical, and thermoelectric properties of Sc2BeX4 (X = S, Se) chalcogenides for energy applications. Both compounds are dynamically and…

Materials Science · Physics 2025-10-02 Ahmad Ali , Haris Haider , Sikander Azam , Muhammad Talha , Muhammad Jawad , Imran Shakir

Thermoelectric phenomena in photoexcited graphene have been the topic of several theoretical and experimental studies because of their potential usefulness in optoelectronic applications. However, available theoretical descriptions of the…

Mesoscale and Nanoscale Physics · Physics 2021-10-04 Andrea Tomadin , Marco Polini

We report the thermoelectric properties (Seebeck coefficient, thermal conductivity, and electrical resistivity) of lightly doped single crystals of (001)-oriented SrTiO3 (STO). Hall effect measurements show that electron doping around 10^-5…

Strongly Correlated Electrons · Physics 2012-11-08 P. L. Bach , V. Leborán , V. Pardo , A. S. Botana , D. Baldomir , F. Rivadulla

In this work, a study of the magnetic behavior of the spinel ZnFe2O4 is presented by using the Monte Carlo simulations (MCS). The iron atoms provide the magnetism in this material. In fact, the magnetic spin of moment of the Fe3+ ions is…

Materials Science · Physics 2020-02-18 R. Khalladi , S. Idrissi , N. El Mekkaoui , H. Labrim , I. El Housni , S. Ziti , S. Mtougui , L. Bahmad

We used fully correlated ab initio calculations to determine the effective parameters of Hubbard and t - J models for the thermoelectric misfit compound $\rm Ca_3Co_4O_9$. As for the $\rm Na_xCoO_2$ family the Fermi level orbitals are the…

Strongly Correlated Electrons · Physics 2015-05-28 Julien Soret , Marie-Bernadette Lepetit

We present calculations of magnetostriction constants for the spinel ferrites CoFe2O4 and NiFe2O4 using density functional theory within the GGA+U approach. Special emphasis is devoted to the influence of different possible cation…

Materials Science · Physics 2015-06-05 Daniel Fritsch , Claude Ederer
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