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Search results for: RODAMINA B
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Magnetic structure and properties of the S=5/2 triangular antiferromagnet - NaFeO2
PublicationWłaściwości magnetyczne związku NaFeO2 badane były za pomocą techniki dyfrakcji neutronowskiej i poprzez pomiar podatności magnetycznej.
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Rich magnetic phase diagram in the Kagome-staircase compound Mn3V2O8
PublicationNa podstawie pomiarów podatności magnetycznej i ciepła właściwego monokryształu Mn3V2O8 skonstruowano diagram fazowy. Właściwości magnetyczne związku są silnie anizotropowe.
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Local ordering of nano-structured Pt probed by multiple-scattering XAFS
PublicationW pracy przedstawiono wyniki analizy MS EXAFS krystalicznej platyny i nanostruktur platyny (klastry o rozmiarach od 1nm do 7nm). Rezultaty analizy masowej platyny (uwzględniające rozkłady dwu i trój-ciałowe) są zgodne z wcześniejszymi danymi strukturalnymi i wibracyjnymi i stały się podstawą do realistycznej analizy EXAFS nanocząstek Pt realizownej w połączeniu z wynikami pomiarów TEM, SEM i XRD. Badaniom poddano nanocząstki Pt...
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Effect of substituting Fe and Ru for Ni on the thermopower of MgCNi3
PublicationDyskutowany jest wpływ domieszkowania żelaza i rutenu w pozycje niklu w międzymetalicznym związku nadprzewodzącym MgCNi3, na wartość termosiły. Pomiar S(T) wskazuje, że nośnikami ładunków elektrycznych w MgCNi3 są elektrony, a domieszkowanie (Ru, Fe) wprowadza nośniki dziurowe. Nie stwierdzono wpływu momentu magnetycznego atomów Fe na wartość termosiły.
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Electronic correlations in coherent transport through a two quantum dot system
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Thermodynamic and electromagnetic properties of hard-core charged bosons on a lattice
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Gauge-invariant theory of the Meissner effect in the lattice model of a superconductor with local pairing
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Linear and nonlinear Stark effect in a triangular molecule
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The influence of electron-electron and electron-phonon interactions on electron charge orderings in quasi-one-dimensional systems
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Collective modes of the extended Hubbard model with negativeUand arbitrary electron density
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Current rectification in molecular junctions produced by local potential fields
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Symmetry-controlled negative differential resistance effect in a triangular molecule
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Effective one-band Hamiltonian for the copper-oxygen plane in the superconducting copper oxides
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Canonical perturbation theory for inhomogeneous systems of interacting fermions
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Charge orderings and lattice distortions in complex TCNQ salts
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Hubbard operators approach to the transport in molecular junctions
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Human bone marrow as a tissue in post-mortem identification and determination of psychoactive Substances—Screening methodology
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Local structural and chemical ordering of nanosized Pt(3±δ)Co probed by multiple-scattering x-ray absorption spectroscopy
PublicationThis work reports a detailed investigation of the local structure and chemical disorder of a Pt(3±δ)Co thin film and Pt(3±δ)Co nanoparticles. We have used a combination of techniques including x-ray absorption spectroscopy (XAS), x-ray diffraction (XRD), and high-resolution transmission electron microscopy (TEM). The important effect of chemical ordering on pair and three-atom configurations has been studied using computer simulations...
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Bulk properties and electronic structure of PuFeAsO
PublicationW pracy zamieszczone wyniki badań krystalograficznych, pomiarów ciepła właściwego i podatności magnetycznej na nowym związku PuFeAsO. PuFeAsO jest antyferromagnetykiem z T_N = 50 K.
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Quasiharmonic approach to a second-order phase transition
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Lattice dynamics of the rare-earth element samarium
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Effects of Coulomb interaction on the electronic structure and lattice dynamics of the Mott insulatorFe2SiO4spinel
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Chiral phonons in the honeycomb sublattice of layered CoSn-like compounds
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Phonons of (100) and (110) iron surfaces from first-principles calculations
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Ab initio and nuclear inelastic scattering studies of Fe3Si/GaAs heterostructures
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Electronic and optical properties of theMg2−xFexSiO4spinel: From band insulator to Mott insulator
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Vibrational properties and stability of FePt nanoalloys
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Ab initiocharacterization of magneticCuFeS2
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Electronic and lattice properties of noncentrosymmetric superconductors ThTSi (T=Co, Ir, Ni, and Pt)
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Lattice dynamics of CuAu-orderedCuInSe2
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Magnetically induced dynamical stability of a Fe monolayer on W(110)
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Electronic and dynamical properties of CeRh2As2 : Role of Rh2As2 layers and expected orbital order
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Ab initioheat capacity and atomic temperature factors of chalcopyrites
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Publisher's Note: Magnetically induced dynamical stability of a Fe monolayer on W(110) [Phys. Rev. B76, 205427 (2007)]
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Crystal structure, hydrogen bonds, and lattice dynamics in kanemite from first-principles calculations
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Influence of local electron interactions on phonon spectrum in iron
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Mechanism of the phase transitions in MnAs
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Chemometric approach to correlations between retention parameters of non-polar HPLC columns and physicochemical characteristics for ampholytic substances of biological and pharmaceutical relevance
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Magnetism and structure of Li_xCoO2 and comparison to Na_xCoO2
PublicationW pracy dyskutowane są właściwości magnetyczne i strukturalne Li_xCoO2 dla 0.5< x< 1.0. Jon Co +4 znajduje się w stanie wysokospinowym w Li_xCoO2 dla zawartości litu od 0.94 do 1.00 i w stanie niskospinowym dla x od 0.50 do 0.78.
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Physical properties of the uranium ternary compounds U3Bi4M3 (M=Ni,Rh)
PublicationW pracy dyskutowany jest wzrost kryształów i właściwości fizyczne dwóch, nowych, izostrukturalnych związków U3Bi4Ni3 i U3Bi4Rh3. Pierwszy z nich jest nie-metalem, w drugim obserwowany jest tzw. ferromagnetyczny kwantowy punkt krytyczny.
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Microscopic 75^As NMR study of the effect of impurities on the first-order spin-density-wave transition in BaFe2As2
PublicationOpisane są wyniki badań NMR na 75^As w monokryształach i próbkach polikrystalicznych BaFe2As2. Zanieczyszczenia cyną wpływają na niskoenergetyczne fluktuacje spinowe i obniżają temperaturę krytyczną ze 138K do 85K.
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Hybrid quantum-classical approach for atomistic simulation of metallic systems
PublicationThe learn-on-the-fly (LOTF) method [G. Csanyi et al., Phys. Rev. Lett. 93, 175503 (2004)] serves to seamlessly embed quantum-mechanical computations within a molecular-dynamics framework by continual local retuning of the potential's parameters so that it reproduces the quantum-mechanical forces. In its current formulation, it is suitable for systems where the interaction is short-ranged, such as covalently bonded semiconductors....
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Electronic structure of multiwall boron nitride nanotubes
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Formation and electronic properties ofBC3single-wall nanotubes upon boron substitution of carbon nanotubes
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Isotropic s -wave superconductivity in the noncentrosymmetric charge density wave superconductor SrPt2As2
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Electronic structure and physical properties of EuAuAs single crystal
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Weak antilocalization effect and triply degenerate state in Cu-doped CaAuAs
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Large nonsaturating magnetoresistance, weak anti-localization, and non-trivial topological states in SrAl2Si2
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Magnetic, thermodynamic, and magnetotransport properties of CeGaGe and PrGaGe single crystals
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Magnetotransport properties of the correlated topological nodal-line semimetal YbCdGe
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