# Jan Rusz

Senior Lecturer/Associate Professor at Department of Physics and Astronomy; Materials Theory

- Telephone:
- +46 18 471 58 44
- Mobile phone:
- +46 70 167 93 76
- E-mail:
- jan.rusz@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postal address:
- Box 516

751 20 UPPSALA

Download contact information for Jan Rusz at Department of Physics and Astronomy; Materials Theory

Senior Lecturer/Associate Professor at Department of Physics and Astronomy; Materials Theory; Materialteori

- Telephone:
- +46 18 471 58 44
- Mobile phone:
- +46 70 167 93 76
- E-mail:
- jan.rusz@physics.uu.se
- Visiting address:
- Ångströmlaboratoriet, Lägerhyddsvägen 1
- Postal address:
- Box 516

751 20 UPPSALA

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## Research

### Research Interests

- Theory of inelastic electron scattering, dynamical electron diffraction, ELNES, EMCD, vibrational spectra.
- X-ray and optical spectroscopies, XAS, XMCD, Kerr effect, Faraday rotation, Schäfer-Hubert effect.
- Electronic structure calculations, strongly correlated electron systems.
- Magnetism, magneto-crystalline anisotropy, exchange interactions, Heisenberg Hamiltonian, random-phase approximation.
- Theory of two-dimensional angular correlation of electron-positron annihilation radiation (2D-ACAR).

## Publications

### Recent publications

- Noise-dependent bias in quantitative STEM-EMCD experiments revealed by bootstrapping (2024)
- Single scan STEM-EMCD in 3-beam orientation using a quadruple aperture (2023)
- Unveiling the impact of temperature on magnon diffuse scattering detection in the transmission electron microscope (2023)
- Quantum-well states at the surface of a heavy-fermion superconductor (2023)
- Simulations of magnetic Bragg scattering in transmission electron microscopy (2023)

### All publications

#### Articles

- Noise-dependent bias in quantitative STEM-EMCD experiments revealed by bootstrapping (2024)
- Single scan STEM-EMCD in 3-beam orientation using a quadruple aperture (2023)
- Unveiling the impact of temperature on magnon diffuse scattering detection in the transmission electron microscope (2023)
- Quantum-well states at the surface of a heavy-fermion superconductor (2023)
- Simulations of magnetic Bragg scattering in transmission electron microscopy (2023)
- Real-Space Visualization of Frequency-Dependent Anisotropy of Atomic Vibrations (2023)
- Control of the phonon band gap with isotopes in hexagonal boron nitride (2023)
- Lessons from the harmonic oscillator (2023)
- Antiferromagnetic order in Kondo lattice CePd
_{5}Al_{2}possibly driven by nesting (2023) - Atomically sharp domain walls in an antiferromagnet (2022)
- A study on the relationship of magnetic moments orientation in L1
_{0}FePt network nanostructured film by electron energy-loss magnetic chiral dichroism using semi-core excitation spectra (2022) - Evidence for a delocalization quantum phase transition without symmetry breaking in CeCoIn
_{5}(2022) - Simultaneous mapping of EMCD signals and crystal orientations in a transmission electron microscope (2021)
- Atomic Structure and Electron Magnetic Circular Dichroism of Individual Rock Salt Structure Antiphase Boundaries in Spinel Ferrites (2021)
- Theory of magnon diffuse scattering in scanning transmission electron microscopy (2021)
- Parameterization of magnetic vector potentials and fields for efficient multislice calculations of elastic electron scattering (2021)
- The 4f-Hybridization Strength in CemMnIn3m+2n Heavy-Fermion Compounds Studied by Angle-Resolved Photoemission Spectroscopy (2021)
- Angle-resolved photoemission spectroscopy view on the nature of Ce 4f electrons in the antiferromagnetic Kondo lattice CePd
_{5}Al_{2}(2021) - Simulations of spatially and angle-resolved vibrational electron energy loss spectroscopy for a system with a planar defect (2021)
- Frequency-resolved frozen phonon multislice method and its application to vibrational electron energy loss spectroscopy using parallel illumination (2021)
- Atomic resolution energy-loss magnetic chiral dichroism measurements enabled by patterned apertures (2020)
- Three-dimensional and temperature-dependent electronic structure of the heavy-fermion compound CePt2In7 studied by angle-resolved photoemission spectroscopy (2020)
- Dynamical diffraction effects in STEM orbital angular momentum resolved electron energy-loss magnetic chiral dichroism (2020)
- Efficient and Versatile Model for Vibrational STEM-EELS (2020)
- Crystal electric field splitting and f-electron hybridization in heavy-fermion CePt2In7 (2019)
- Quantum mechanical treatment of atomic-resolution differential phase contrast imaging of magnetic materials (2019)
- Defect driven spin state transition and the existence of half-metallicity in CoO (2019)
- Proposal for Measuring Magnetism with Patterned Apertures in a Transmission Electron Microscope (2019)
- Prospect for detecting magnetism of a single impurity atom using electron magnetic chiral dichroism (2019)
- Orbital angular momentum resolved electron magnetic chiral dichroism (2019)
- Single-pass STEM-EMCD on a zone axis using a patterned aperture (2019)
- Electronic specific heat coefficient and magnetic properties of Y(Fe1-xCox)(2) Laves phases (2019)
- Understanding electron magnetic circular dichroism in a transition potential approach (2018)
- Influence of cobalt substitution on the magnetic properties of Fe
_{5}PB_{2}(2018) - Element-selective investigation of femtosecond spin dynamics in NiPd magnetic alloys using extreme ultraviolet radiation (2018)
- Probing the localization of magnetic dichroism by atomic-size astigmatic and vortex electron beams (2018)
- Proposal for a three-dimensional magnetic measurement method with nanometer-scale depth resolution (2018)
- Magnetic anisotropy in permalloy (2018)
- Simple method for optimization of classical electron magnetic circular dichroism measurements (2018)
- Local low rank denoising for enhanced atomic resolution imaging (2018)
- Blind identification of magnetic signals in electron magnetic chiral dichroism using independent component analysis (2018)
- Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy (2018)
- Magnetocrystalline anisotropy of Fe
_{5}PB_{2}and its alloys with Co and 5*d*elements (2018) - Magnetic properties of the Fe5SiB2−Fe5PB2 system (2017)
- Detection of magnetic circular dichroism in amorphous materials utilizing a single-crystalline overlayer (2017)
- Atom size electron vortex beams with selectable orbital angular momentum (2017)
- On the origin of perpendicular magnetic anisotropy in strained Fe-Co(-X) films (2017)
- Fully nonlocal inelastic scattering computations for spectroscopical transmission electron microscopy methods (2017)
- Localization of magnetic circular dichroic spectra in transmission electron microscopy experiments with atomic plane resolution (2017)
- Modified automatic term selection v2 (2017)
- Enhanced spin–orbit coupling in tetragonally strained Fe–Co–B films (2017)
- An in-plane magnetic chiral dichroism approach for measurement of intrinsic magnetic signals using transmitted electrons (2017)
- Unmixing hyperspectral data by using signal subspace sampling (2017)
- Can we use PCA to detect small signals in noisy data? (2017)
- The usage of data compression for the background estimation of electron energy loss spectra (2017)
- Tensor decompositions for the analysis of atomic resolution electron energy loss spectra (2017)
- Analysis of electron energy loss spectroscopy data using geometric extraction methods (2017)
- Towards sub-nanometer real-space observation of spin and orbital magnetism at the Fe/MgO interface (2017)
- Electron tomography analysis of 3D interfacial nanostructures appearing in annealed Si rich SiC films (2017)
- Magnetic Effects in the Paraxial Regime of Elastic Electron Scattering (2016)
- Elastic Scattering of Electron Vortex Beams in Magnetic Matter. (2016)
- Detecting magnetic ordering with atomic size electron probes (2016)
- Mapping of Defects in Individual Silicon Nanocrystals Using Real-Space Spectroscopy. (2016)
- Communication (2016)
- Influence of nuclear quantum effects on frozen phonon simulations of electron vortex beam HAADF-STEM images. (2016)
- Vorticity in electron beams (2016)
- Aberrated electron probes for magnetic spectroscopy with atomic resolution (2016)
- Magnetic measurements with atomic-plane resolution (2016)
- Magnetic properties of single nanomagnets (2016)
- Detection of electron magnetic circular dichroism signals under zone axial diffraction geometry (2016)
- Detection of magnetic circular dichroism with subnanometer convergent electron beams (2016)
- Magnetic properties of Fe5SiB2 and its alloys with P, S, and Co (2016)
- Magnetic properties of (Fe1-xCox)(2)B alloys and the effect of doping by 5d elements (2015)
- Influence of dimensionality and interface type on optical and electronic properties of CdS/ZnS core-shell nanocrystals (2015)
- Band alignment switching and the interaction between neighbouring silicon nanocrystals embedded in a SiC matrix (2015)
- Size dependence of the stability, electronic structure, and optical properties of silicon nanocrystals with various surface impurities (2015)
- First-principles study of the influence of different interfaces and core types on the properties of CdSe/CdS core-shell nanocrystals (2015)
- Magnetic anisotropy of La2Co7 (2015)
- Jacob's ladder of approximations to paraxial dynamic electron scattering (2015)
- Magnetic Polarization of the Americium J=0 Ground State in AmFe2 (2015)
- Toward Rare-Earth-Free Permanent Magnets (2015)
- Electron vortex beams prepared by a spiral aperture with the goal to measure EMCD on ferromagnetic films via STEM (2015)
- High magnetic anisotropy of strained epitaxial Fe-Co-X films - buffer induced distortion versus spontaneous strain (2015)
- From soft to hard magnetic Fe-Co-B by spontaneous strain (2015)
- Nature of the bias-dependent symmetry reduction of iron phthalocyanine on Cu(111) (2015)
- A multislice theory of electron scattering in crystals including backscattering and inelastic effects (2015)
- Quantitative analysis of magnetic spin and orbital moments from an oxidized iron (110) surface using electron magnetic circular dichroism (2015)
- Stabilization of the tetragonal distortion of Fe chi Co1-chi alloys by C impurities (2014)
- Electronic structure and magnetic properties of L1(0) binary alloys (2014)
- Toward Single Mode, Atomic Size Electron Vortex Beams (2014)
- Unified approach to electronic, thermodynamical, and transport properties of Fe3Si and Fe3Al alloys (2014)
- Microscopic description of the evolution of the local structure and an evaluation of the chemical pressure concept in a solid solution (2014)
- Quantitative characterization of nanoscale polycrystalline magnets with electron magnetic circular dichroism (2014)
- Increased magnetocrystalline anisotropy in epitaxial Fe-Co-C thin films with spontaneous strain (2014)
- Scattering of electron vortex beams on a magnetic crystal (2014)
- Achieving Atomic Resolution Magnetic Dichroism by Controlling the Phase Symmetry of an Electron Probe (2014)
- Signal enhancement of electron magnetic circular dichroism by ultra-high-voltage TEM, toward quantitative nano-magnetism measurements (2014)
- Magnetocrystalline anisotropy in x-ray magnetic linear dichroism at the 3 p edges of crystalline Fe thin films (2014)
- Exceptional Ising magnetic behavior of itinerant spin-polarized carriers in URu2Si2 (2014)
- X-ray absorption spectra (2013)
- Experimental and theoretical study of electronic structure of lutetium bi-phthalocyanine (2013)
- Transition between direct and indirect band gap in silicon nanocrystals (2013)
- Parameter-free extraction of EMCD from an energy-filtered diffraction datacube using multivariate curve resolution (2013)
- Boundaries for Efficient Use of Electron Vortex Beams to Measure Magnetic Properties (2013)
- New algorithm for efficient Bloch-waves calculations of orientation-sensitive ELNES (2013)
- Unified character of correlation effects in unconventional Pu-based superconductors and delta-Pu (2013)
- Energy Loss by Channeled Electrons (2013)
- X-ray magnetic circular dichroism experiments and theory of transuranium Laves phase compounds (2013)
- Electronic structure and Fermi surface of paramagnetic and antiferromagnetic UPt
_{2}Si_{2}(2012) - Formation and Structure of Graphene Waves on Fe(110) (2012)
- Atomic site sensitivity of the energy loss magnetic chiral dichroic spectra of complex oxides (2011)
- Spin and orbital hybridization at specifically nested Fermi surfaces in URu(2)Si(2) (2011)
- Local electronic structure information contained in energy-filtered diffraction patterns (2011)
- Influence of plural scattering on the quantitative determination of spin and orbital moments in electron magnetic chiral dichroism measurements (2011)
- Theoretical investigation of electronic structure, electric field gradients, and photoemission of PuCoGa5 and PuRhGa5 superconductors (2011)
- First-principles investigation of higher oxides of uranium and neptunium (2011)
- Momentum-resolved EELS and EMCD spectra from the atomic multiplet theory (2010)
- Ab initio computational and experimental investigation of the electronic structure of actinide 218 materials (2010)
- Reciprocal and real space maps for EMCD experiments (2010)
- Anisotropy of the L-2,L-3 x-ray magnetic linear dichroism of Fe films on GaAs (2010)
- Electronic structure theory of the hidden-order material URu
_{2}Si_{2}(2010) - Simulation of magnetic circular dichroism in the electron microscope (2010)
- Quantitative magnetic measurements with transmission electron microscope (2010)
- Asymmetry of the two-beam geometry in EMCD experiments (2010)
- Dynamical effects in x-ray absorption spectra of graphene and monolayered h-BN on Ni(111) (2010)
- Site-specific electronic configurations of Fe 3d states by energy loss by channeled electrons (2010)
- Quadratic X-Ray Magneto-Optical Effect upon Reflection in a Near-Normal-Incidence Configuration at the M Edges of 3d-Transition Metals (2010)
- Positron annihilation study of the electronic structure of URu2Si2 (2009)
- Hidden order in URu2Si2 originates from Fermi surface gapping induced by dynamic symmetry breaking (2009)
- Quantitative magnetic information from reciprocal space maps in transmission electron microscopy (2009)
- Magnetic circular dichroism in electron energy loss spectrometry (2008)
- High-kinetic-energy photoemission spectroscopy of Ni at 1s: 6-eV satellite at 4 eV (2008)
- Magnetic exchange interactions and estimation of T-N in CsNiF3 from first principles (2008)
- Structural discontinuity in the hexagonal RTA1 compounds (2008)
- Energy-loss magnetic chiral dichroism (EMCD) (2008)
- Spin and orbital moment sum-rules for the electron energy loss chiral magnetic dichroism (2008)
- Magnetic circular dichroism in electron microscopy (2008)
- Probing the electronic structure of pure and doped CeMIn5 (M=Co,Rh,Ir) crystals with nuclear quadrupolar resonance (2008)
- Spin and orbital magnetism of FeBr2 (2008)
- Energy loss magnetic chiral dichroism (2008)
- Detection of magnetic circular dichroism on the two-nanometer scale (2008)
- Optimal aperture sizes and positions for EMCD experiments (2008)
- The electronic structure and crystal field of RPt3Si (R = Pr, Nd, Sm) compounds (2007)
- Magnetism in the magnetoelectric hexaferrite system (Ba1-xSrx)(2)Zn2Fe12O22 (2007)
- Fermi surface changes due to localized-delocalized f-state transitions in Ce-115 and Pu-115 compounds (2007)
- Fermiology of PuCoGa5 and of related Pu-115 compounds (2007)
- Positron wave-function effects in the measurement of the two-dimensional angular correlation of the annihilation radiation of a spin-polarized system (2007)
- Sum rules for electron energy loss near edge spectra (2007)
- First-principles theory of chiral dichroism in electron microscopy applied to 3d ferromagnets (2007)
- Magnetic asymmetry around the 3p absorption edge in Fe and Ni
- Exchange interactions and Curie temperatures in NiMnSb and Ni_2MnSb compounds

#### Conferences

- Spectroscopic electron tomography analysis of 3D interfacial nanostructures appearing in annealed Si rich SiC films (2017)
- Magnetocrystalline anisotropy of hexagonal Co by relative intensities of electron magnetic circular dichroic signals (2015)
- (Invited) Current progress in nanometric magnetic moment measurements based on electron magnetic circular dichroism (2015)
- (Invited) Linking magnetic properties to nanoscale spectral and spatial features (2015)
- Analysis of Nanostructure and interface in vacuum annealed Si rich SiC by 4D electron tomography (2015)
- Selection of EMCD signal in reciprocal space for quantitative analysis nanomagnetism (2014)
- Distinguishing overlapping EMCD signals on oxidized metals in the TEM (2014)
- Nanoscale magnetic behavior quantified with EMCD (2014)
- Quantitative assessment of EMCD signals in real and reciprocal space in single and multilayer samples (2012)
- Structural and EMCD analysis of Fe/V multilayers (2012)
- Detection of Magnetic Circular Dichroism using TEM and EELS (2011)
- Influence of plural scattering on quantitative magnetic information measured by EMCD (2011)
- Mapping of the EMCD signal in real and reciprocal space forquantitative analysis of magnetic samples (2010)
- Mapping of the EMCD signal in real and reciprocal space for quantitative analysis of magnetic samples (2010)
- Observation of magnetic dichroism in the electron microscope (2010)
- Calculations of orientation-sensitive ELNES on crystalline materials (2010)
- Quantitative EMCD yields nano-information on magnetic moments (2009)
- In-situ contacting of nanosheets and remote EMCD (2009)
- On precision of ELNES calculations for EMCD applications (2009)
- EMCD in the TEM - Optimization of signal acquisition and data evaluation (2008)
- Experimental conditions and data evaluation forquantitative EMCD measurements in the TEM (2008)
- Electron magnetic circular dichroism -Optimization of signal acquisition and data evaluation (2008)
- Conductivity engineering of graphene and carbon nanosheets by defect formation (2008)