Roland Mathieu
Universitetslektor , docent vid Institutionen för materialvetenskap; Fasta tillståndets fysik
- Telefon:
- 018-471 72 33
- E-post:
- roland.mathieu@angstrom.uu.se
- Besöksadress:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postadress:
- Box 35
751 03 Uppsala
- Akademiska meriter:
- Docent, FD
- ORCID:
- 0000-0002-5261-2047
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Kort presentation
Publikationer
Senaste publikationer
- Structural and magnetic properties of the 1/1 Sm-Au-Al and Ho-Au-Al quasicrystal approximants (2025)
- Engineering Hard Ferrite Composites by Combining Nanostructuring and Al3+ Substitution (2025)
- Chemical engineering of cationic distribution in spinel ferrite nanoparticles (2024)
- Magnetic property changes of NdGa upon hydrogen absorption (2024)
- Phase Stability and Magnetic Properties of Compositionally Complex n=2 Ruddlesden-Popper Perovskites (2024)
Alla publikationer
Artiklar
- Structural and magnetic properties of the 1/1 Sm-Au-Al and Ho-Au-Al quasicrystal approximants (2025)
- Engineering Hard Ferrite Composites by Combining Nanostructuring and Al3+ Substitution (2025)
- Chemical engineering of cationic distribution in spinel ferrite nanoparticles (2024)
- Magnetic property changes of NdGa upon hydrogen absorption (2024)
- Phase Stability and Magnetic Properties of Compositionally Complex n=2 Ruddlesden-Popper Perovskites (2024)
- Eu Doping in the GdCd7.88 Quasicrystal and Its Approximant Crystal GdCd6 (2024)
- Magnetic frustration and glassiness in an icosahedral i-Tb-Cd quasicrystal (2024)
- Electronic and magnetic structures of a mixed triple perovskite (2024)
- Unraveling Exchange Coupling in Ferrites Nano-heterostructures (2024)
- Non-exchange bias hysteresis loop shifts in dense composites of soft-hard magnetic nanoparticles (2024)
- Vibrational properties of monoclinic CoTeO4 (2024)
- Spin glass states in multicomponent layered perovskites (2024)
- Single-crystal neutron diffraction study on the Ho 13.6 Au 61.1 Al 25.3 quasicrystal approximant (2024)
- Pressure-induced metallization in Pb3Mn7O15 (2024)
- CoTeO4 (2024)
- The Cobalt(II) Oxidotellurate(IV) Hydroxides Co-2(TeO3)(OH)2 and Co15(TeO3)14(OH)2 (2023)
- Tunable particle-agglomeration and magnetic coupling in bi-magnetic nanocomposites (2023)
- Time and temperature dependent magnetic viscosity experiments on Sr/Co nanoferrite particles (2023)
- Concentration and temperature dependence of the structural, magnetic, and dielectric properties of La2Ni(Mn1-xRux)O6 solid solutions (2023)
- Superconducting YAu3Si and Antiferromagnetic GdAu3Si with anInterpenetrating Framework Structure Built from 16-Atom Polyhedra br (2022)
- Effect of pseudo-Tsai cluster incorporation on the magnetic structures of R-Au-Si (R = Tb, Ho) quasicrystal approximants (2022)
- 2D crystal structure and anisotropic magnetism of GdAu6.75-xAl0.5+x (x approximate to 0.54) (2022)
- Irreversible phase transitions of the multiferroic oxide Mn3TeO6 at high pressures (2022)
- Crossover From Individual to Collective Magnetism in Dense Nanoparticle Systems (2022)
- Nonequilibrium dynamical behavior in noncoplanar magnets with chiral spin texture (2022)
- Examination of the critical behavior and magnetocaloric effect of the ferromagnetic Gd-Au-Si quasicrystal approximants (2022)
- Phase stability and structural transitions in compositionally complex LnMO(3) perovskites (2021)
- Exploring the magnetic properties and magnetic coupling in SrFe12O19/ Co1-XZnXFe2O4 & nbsp;nanocomposites (2021)
- Complex correlations between microstructure and magnetic behavior in SrFe12O19 hexaferrite nanoparticles (2021)
- Tuning the Magnetic Properties of Hard-Soft SrFe12O19/CoFe2O4 Nanostructures via Composition/Interphase Coupling (2021)
- Towards bi-magnetic nanocomposites as permanent magnets through the optimization of the synthesis and magnetic properties of SrFe12O19 nanocrystallites (2021)
- Memory and superposition in a superspin glass (2021)
- Compositional dependence of the magnetic state of Co3-xZnxTeO6 solid solutions (2021)
- Synthesis of BaTiO3-CoFe2O4 nanocomposites using a one-pot technique (2021)
- Singular magnetic dilution behavior in a quasicrystal approximant (2021)
- Superconductivity at 1 K in Y-Au-Si quasicrystal approximants (2021)
- Gamma-radiation induced synthesis of freestanding nickel nanoparticles (2021)
- Magnetic polarons and spin-glass behavior in insulating La1-xSrxCoO3 (x = 0.125 and 0.15) (2020)
- Low-temperature anomalies in muon spin relaxation of solid and hollow gamma-Fe2O3 nanoparticles (2020)
- Atomic-Scale Tuning of Tsai-Type Clusters in RE-Au-Si Systems (RE = Gd, Tb, Ho) (2020)
- Partial cation ordering, relaxor ferroelectricity, and ferrimagnetism in Pb(Fe1-xYbx)(2/3)W1/3O3 solid solutions (2020)
- Memory and rejuvenation in a quasicrystal (2020)
- Random fields and apparent exchange bias in the dilute Ising antiferromagnet Fe0.6Zn0.4F2 (2020)
- Novel mixed precursor approach to prepare multiferroic nanocomposites with enhanced interfacial coupling (2020)
- Signatures of a Spin-1/2 Cooperative Paramagnet in the Diluted Triangular Lattice of Y2CuTiO6 (2020)
- Simultaneous Individual and Dipolar Collective Properties in Binary Assemblies of Magnetic Nanoparticles (2020)
- LaFeO3-CoFe2O4 bi-magnetic composite thin films prepared using an all-in-one synthesis technique (2020)
- Symbiotic, low-temperature, and scalable synthesis of bi-magnetic complex oxide nanocomposites (2020)
- Effect of albumin mediated clustering on the magnetic behavior of MnFe2O4 nanoparticles (2020)
- On the structural and magnetic properties of the double perovskite Nd2NiMnO6 (2019)
- Cation ordering, ferrimagnetism and ferroelectric relaxor behavior in Pb(Fe1-xScx)(2/3)W1/3O3 solid solutions (2019)
- Room temperature ferrimagnetism in Yb-doped relaxor ferroelectric PbFe2/3W1/3O3 (2019)
- Ferromagnetic excess moments and apparent exchange bias in FeF2 single crystals (2019)
- Pressure tuning of octahedral tilt in the ordered double perovskite Pb2CoTeO6 (2019)
- Bandgap engineering in Mn3TeO6 (2019)
- Pressure-induced polymorphism and piezochromism in Mn2FeSbO6 (2019)
- Peculiar magnetic states in the double perovskite Nd2NiMnO6 (2019)
- Controlling magnetic coupling in bi-magnetic nanocomposites (2019)
- Glassy behavior of diluted Cu-Zn ferrites (2018)
- Temperature-dependent structural and magnetic properties of R2MMnO6 double perovskites (R=Dy, Gd; M=Ni, Co) (2018)
- Modification of the structure and magnetic properties of ceramic La2CoMnO6 with Ru doping (2018)
- The interplay between single particle anisotropy and interparticle interactions in ensembles of magnetic nanoparticles (2018)
- Ba3MIr2O9 hexagonal perovskites in the light of spin-orbit coupling and local structural distortions (2018)
- Tunable single-phase magnetic behavior in chemically synthesized AFeO(3)-MFe2O4 (A = Bi or La, M = Co or Ni) nanocomposites (2018)
- Surface Effects in Ultrathin Iron Oxide Hollow Nanoparticles (2018)
- Monte Carlo study of the superspin glass behavior of interacting ultrasmall ferrimagnetic nanoparticles (2018)
- Magnetic properties of nanoparticle compacts with controlled broadening of the particle size distribution (2017)
- Remanence Plots as a Probe of Spin Disorder in Magnetic Nanoparticles (2017)
- Perovskite solid solutions La0.75Bi0.25Fe1-xCrxO3 (2017)
- Evolution of the structural and multiferroic properties of PbFe2/3W1/3O3 ceramics upon Mn-doping (2017)
- New insights into the multiferroic properties of Mn3TeO6 (2017)
- Composition dependence of the multifunctional properties of Nd-doped Bi4Ti3O12 ceramics (2017)
- Composition driven structural transition in La2-xSrxCuRuO6 (0 <= x <= 1) double perovskites (2017)
- Superspin glass state in a diluted nanoparticle system stabilized by interparticle interactions mediated by an antiferromagnetic matrix (2017)
- Magnetic phase diagram of Co(Cr1-xAlx)2O-4 (x=0.0-1.0) (2017)
- The role of Tb-doping on the structural and functional properties of Bi4-xTbxTi3O12 ferroelectric phases with the Aurivillius type structure (2017)
- Radiation-induced synthesis of nanoscale Co-and Ni-based electro-catalysts on carbon for the oxygen reduction reaction (2017)
- Substitution mechanism and structural study of Ag-doped LiCu2O2 (2017)
- Twinned-domain-induced magnonic modes in epitaxial LSMO/STO films (2017)
- Thermally induced magnetic relaxation in square artificial spin ice (2016)
- Effects of the individual particle relaxation time on superspin glass dynamics (2016)
- Particle size-dependent superspin glass behavior in random compacts of monodisperse maghemite nanoparticles (2016)
- Particle size-dependent superspin glass behavior in random compact of monodisperse maghemite nanoparticles (2016)
- Tunable exchange bias in dilute magnetic alloys (2016)
- Spin and dipole order in geometrically frustrated mixed-valence manganite Pb3Mn7O15 (2016)
- Polar Order and Frustrated Antiferromagnetism in Perovskite Pb2MnWO6 Single Crystals. (2016)
- Study of coexisting phases in Bi doped La0.67Sr0.33MnO3 (2016)
- Designing new ferrite/manganite nanocomposites (2016)
- Origin of the Spin-Orbital Liquid State in a Nearly J=0 Iridate Ba3ZnIr2O9 (2016)
- Demagnetization effects in dense nanoparticle assemblies (2016)
- Studying nanoparticles' 3D shape by aspect maps (2016)
- Thermal evolution of the spin ordering at the concomitant spin-orbital rearrangement temperature in RVO3 (R=Lu, Yb and Tm) (2016)
- Size-dependent surface effects in maghemite nanoparticles and its impact on interparticle interactions in dense assemblies (2015)
- Neutron powder diffraction study of Ba3ZnRu2-xIrxO9 (x=0, 1, 2) with 6H-type perovskite structure (2015)
- PPMS-based set-up for Raman and luminescence spectroscopy at high magnetic field, high pressure and low temperature (2015)
- Crystal structure and antiferromagnetic spin ordering of LnFe(2/3)Mo(1/3)O(3) (Ln = Nd, Pr, Ce, La) perovskites (2015)
- Structure and magnetism in hexagonal tungsten bronze metal oxides AM(1/3)W(8/3)O(9) (A-K, Rb, Cs; M-Cr, Fe) (2015)
- Structural and magnetic properties of nickel antimony ferrospinels (2015)
- Point contact investigations of film and interface magnetoresistance of La0.7Sr0.3MnO3 heterostructures on Nb:SrTiO3 (2015)
- Tuning the Size and Shape of Oxide Nanoparticles by Controlling Oxygen Content in the Reaction Environment (2015)
- Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4 (2015)
- Magnetic anisotropy and magnetization dynamics of Fe nanoparticles embedded in Cr and Ag matrices (2015)
- Successive phase transitions in the orthovanadate TmVO3 (2015)
- On the nature of magnetic state in the spinel Co2SnO4 (2015)
- Magnetic and magnetocaloric properties of Cu1-xZnxFe2O4 (x=0.6, 0.7, 0.8) ferrites (2014)
- Ageing dynamics of a superspin glass (2014)
- Synthesis and in vitro cellular interactions of superparamagnetic iron nanoparticles with a crystalline gold shell (2014)
- Ideal superspin glass behaviour in a random-close-packed ensemble of maghemite nanoparticles (2014)
- Temperature evolution of structural and magnetic properties of stoichiometric LiCu2O2 (2014)
- Chemical pressure effects on structural, dielectric and magnetic properties of solid solutions Mn3-xCoxTeO6 (2014)
- Superspin glass state and exchange bias in amorphous Fe/Fe-O core/shell nanoparticles (2014)
- Reentrant Superspin Glass Phase in a La0.82Ca0.18MnO3 Ferromagnetic Insulator (2014)
- Thickness dependence of dynamic and static magnetic properties of pulsed laser deposited La0.7Sr0.3MnO3 films on SrTiO3(001) (2014)
- Tunability in Crystallinity and Magnetic Properties of Core-Shell Fe Nanoparticles (2014)
- Crystal growth experiments in the systems Ni2MSbO6 (M = Sc, In) using chemical vapour transport reactions (2014)
- In-plane structural order of domain engineered La0.7Sr0.3MnO3 thin films (2013)
- Electronic superlattice revealed by resonant scattering from random impurities in Sr3Ru2O7 (2013)
- Investigation of the magnetic phase transition and magnetocaloric properties of the Mn2FeSbO6 ilmenite (2013)
- Spin and Dipole Ordering in Ni2InSbO6 and Ni2ScSbO6 with Corundum-Related Structure (2013)
- Preparation, electrical conductivity, and magnetic susceptibility of (Ba1-x Bi (x) )(Mn0.5+x/2Nb0.5-x/2)O-3 (2013)
- High-temperature structural phase transition in the LiCu2O2 multiferroic (2013)
- Phase transition in a super superspin glass (2013)
- Enhancement of antiferromagnetic interaction and transition temperature in M3TeO6 systems (M = Mn, Co, Ni, Cu) (2013)
- Mn2FeSbO6 (2013)
- Formation of two-dimensionally confined superparamagnetic (Mn, Ga)As nanocrystals in high-temperature annealed (Ga, Mn)As/GaAs superlattices (2013)
- Memory effects on the magnetic behavior of assemblies of nanoparticles with ferromagnetic core/antiferromagnetic shell morphology (2013)
- Near-Room-Temperature Colossal Magnetodielectricity and Multiglass Properties in Partially Disordered La2NiMnO6 (2012)
- Structural and magnetic properties of Mn3-xCdxTeO6 (x = 0, 1, 1.5 and 2) (2012)
- Preparation, structural, dielectric and magnetic properties of LaFeO3-PbTiO3 solid solutions (2012)
- Temperature-dependent multi-k magnetic structure in multiferroic Co3TeO6 (2012)
- Ferrimagnetism, antiferromagnetism, and magnetic frustration in La2-xSrxCuRuO6 (0 <= x <= 1) (2012)
- Tuning of dielectric properties and magnetism of SrTiO3 by site-specific doping of Mn (2011)
- Complex magnetism and magnetic-field-driven electrical polarization of Co(3)TeO(6) (2011)
- New type of incommensurate magnetic ordering in Mn(3)TeO(6) (2011)
- Short-Range Spin Order and Frustrated Magnetism in Mn(2)InSbO(6) and Mn(2)ScSbO(6) (2011)
- Phase Transitions of (Cu,Ni)(3)TeO(6) Solid Solutions (2011)
- Voids and Mn-rich inclusions in a (Ga,Mn)As ferromagnetic semiconductor investigated by transmission electron microscopy (2011)
- Influence of the A cation on the low-temperature antiferromagnetism of ordered antiferroelectric A(2)CoTeO(6) perovskites (2011)
- Magnetic order near 270 K in mineral and synthetic Mn2FeSbO6 ilmenite (2011)
- Magnetic ordering in Co0.2Cd0.8HoxFe2-xO4 spinel ferrite (2011)
- Formation process and superparamagnetic properties of (Mn,Ga)As nanocrystals in GaAs fabricated by annealing of (Ga,Mn)As layers with low Mn content (2011)
- Neutron diffraction studies and the magnetism of an ordered perovskite (2010)
- Structural and magnetic properties of the ordered perovskite Pb2CoTeO6 (2010)
- Memory and rejuvenation in a spin glass (2010)
- Isothermal remanent magnetization and the spin dimensionality of spin glasses (2010)
- Local structural properties of 0.5BiMnO(3)-0.5ATiO(3) (A = Ba or Sr) (2010)
- Magnetic Superstructure and Metal-Insulator Transition in Mn-Substituted Sr3Ru2O7 (2009)
- Electronic Self-Organization in the Single-Layer Manganite Pr1-xCa1+xMnO4 (2009)
- Crystal-field level inversion in lightly Mn-doped Sr3Ru2O7 (2008)
- Orbital Ordering of Manganites from Resonant Soft X-ray Scattering (2007)
- Effect of antiferromagnetic spin correlations on lattice distortion and charge ordering in Pr0.5Ca1.5MnO4 (2007)
- Absence of conventional spin-glass transition in the Ising dipolar system LiHoxY1-xF4 (2007)
- Correlation of electronic structure and ordered charge and orbital patterns for single-layer manganites in a wide hole doping range (0 ≤ x ≤ 1) (2007)
- Logarithmic growth law in the two-dimensional Ising spin glass state resulting from the electron doping in single-layered manganites (2007)
- Coexistence of long-ranged charge- and orbital order and spin-glas state in single-layered manganites with weak quenched disorder (2007)
- The nanoscale phase separation in hole-doped manganites (2007)
- Order-disorder phenomena in the charge-orbital sectors of manganites with a two-dimensional Mn-O network (2007)
- Direct observation of the bandwidth-disorder induced variation of charge/orbital ordering structure in RE0.5(Ca1-ySry)1.5MnO4 (2007)
- Variation of charge/orbital ordering in layered manganites Pr1-xCa1+xMnO4 as investigated by transmission-electron-microscopy (2007)
- Effects of magnesium substitution on the magnetic properties of Nd0.7Sr0.3MnO3 (2005)