Comparative Study on the Charge-Ordered and Mixed-Valence Phases of LuFe2O4 via First-Principles Calculations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-017-4465-y
Abstract: The first-principles density functional theory calculations have been used to investigate the relation between magnetic and structural properties of LuFe2O4 for both the charge-ordered (CO) and the mixed-valence (MV) phases and also to compare the… read more here.
Keywords: valence phases; first principles; mixed valence; ordered mixed ... See more keywords
Structural and magnetic properties of charge-ordered La0.5-xHoxCa0.5MnO3 (0≤x≤0.15)
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.153728
Abstract: Abstract We investigate the effect of holmium substitution on the structural and magnetic proprieties of La0.5-xHoxCa0.5MnO3 (0 ≤ x ≤ 0.15) manganites synthesized by sol-gel method. The structural analysis shows that all the holmium-based samples are single phase and… read more here.
Keywords: structural magnetic; magnetic properties; xhoxca0 5mno3; properties charge ... See more keywords
Magnetocaloric effect study of ferromagnetic-charge ordered core-shell type manganite nanostructures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.04.037
Abstract: Abstract In the present study we have presented the magnetic and magnetocaloric properties of ferromagnetic (La0.67Sr0.33MnO3)-charge ordered (Pr0.67Ca0.33MnO3) core-shell nanostructures. We have also compared the magnetocaloric properties of Pr0.67Ca0.33MnO3 (PCMO) nanoparticles. Our study indicates that… read more here.
Keywords: core shell; study; magnetocaloric effect; charge ordered ... See more keywords
Magnetocaloric effect at low temperature in robust charge ordered Sm1-xCaxMnO3 compounds
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.03.008
Abstract: Abstract We have presented the magnetic properties and magnetocaloric effect of Sm 1 - x Ca x MnO 3 compounds (x = 0.50, 0.55, 0.60 and 0.70) in this work. In association to the experimental verification regarding… read more here.
Keywords: low temperature; robust charge; effect; magnetocaloric effect ... See more keywords
Phase separation and local lattice distortions analysis of charge-ordered manganese films La1-CaxMnO3- by Raman spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2018.03.005
Abstract: Abstract Polycrystalline films La1-xCaxMnO3-δ (LCMO) deposited on (001) MgO substrates for three different Ca concentrations (x = 0.67, 0.75, 0.85) were studied by Raman spectroscopy, X-ray diffraction and scanning electron microscope (SEM). Images of the surface and… read more here.
Keywords: charge ordered; spectroscopy; films la1; local lattice ... See more keywords
Tunable metal-insulator transition, Rashba effect and Weyl Fermions in a relativistic charge-ordered ferroelectric oxide
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-02814-4
Abstract: Controllable metal–insulator transitions (MIT), Rashba–Dresselhaus (RD) spin splitting, and Weyl semimetals are promising schemes for realizing processing devices. Complex oxides are a desirable materials platform for such devices, as they host delicate and tunable charge,… read more here.
Keywords: charge; spin; insulator; effect weyl ... See more keywords
Unconventional slowing down of electronic recovery in photoexcited charge-ordered La1/3Sr2/3FeO3
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-04199-4
Abstract: The coupling of ordered electronic phases with lattice, spin, and orbital degrees of freedom are of central interest in strongly correlated systems. Their interplay has been intensively studied from femtosecond to picosecond time scales, while… read more here.
Keywords: recovery; la1 3sr2; charge; 3sr2 3feo3 ... See more keywords
Charge-ordered state satisfying the Anderson condition in LiRh2O4 arising from local dimer order
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.l041103
Abstract: M. Shiomi, K. Kojima, N. Katayama, ∗ S. Maeda, J.A. Schneeloch, S. Yamamoto, K. Sugimoto, Y. Ohta, D. Louca, Y. Okamoto, and H. Sawa Department of Applied Physics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603,… read more here.
Keywords: department; department physics; physics; charge ordered ... See more keywords
Photoexcitation of a one-dimensional polarization-inverted domain from the charge-ordered ferroelectric ground state of (TMTTF)2PF6
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.245104
Abstract: We theoretically revealed that a weak photoexcitation achieves the electric polarization-inversion with approximately $18\%$ of all the charges, which was interpreted as a superimposition of multi-exciton states, from the charge-ordered ferroelectric ground state of (TMTTF)$_{2}$PF$_{6}$… read more here.
Keywords: ordered ferroelectric; charge ordered; ground state; ferroelectric ground ... See more keywords
First-Principles Study on the Stability and Electronic Structure of the Charge-Ordered Phase in α-(BEDT-TTF)2I3
Sign Up to like & getrecommendations! Published in 2021 at "Crystals"
DOI: 10.3390/cryst11091109
Abstract: We theoretically study the structural and electronic properties of a molecular conductor, α-(BEDT-TTF)2I3, using first-principles density-functional theory calculations, especially in its low-temperature charge-ordered state at ambient pressure. We apply a hybrid functional approach and compare… read more here.
Keywords: ttf 2i3; charge; bedt ttf; first principles ... See more keywords