H. Gretarsson

Deutsches Elektronen-Synchrotron DESY — Germany

Physics and Astronomy · Physical Sciences

25h-index2.2kcitations90works3.32yr avg
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Research Topics

Advanced Condensed Matter Physics(51), Magnetic and transport properties of perovskites and related materials(33), Physics of Superconductivity and Magnetism(27), Rare-earth and actinide compounds(22), Iron-based superconductors research(14)

Publications90 total

Dispersion-compensated Rowland spectrometer: implications for uranium VB-RIXS
DESY Publication Database (PUBDB) (Deutsches Elektronen-Synchrotron)·2026Open Access
Dispersion-compensated Rowland spectrometer: implications for uranium VB-RIXS
Journal of Synchrotron Radiation·2025Open Access
Resonant inelastic x-ray scattering at the actinide <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mrow><mml:mi mathvariant="normal">M</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn><mml:mo>,</mml:mo><mml:mn>5</mml:mn></mml:mrow></mml:msub></mml:math>-edges
Physical Review Research·2025· 2 citedOpen Access
High-resolution valence band RIXS at the actinide M$_{4,5}$-edges
arXiv (Cornell University)·2025Open Access
Enhanced Ionic Conductivity and Electrochemical Properties of Li<sub>2</sub>B<sub>12</sub>H<sub>12</sub>/ZrO<sub>2</sub> Nanocomposites for All-Solid-State Lithium Metal Batteries
ACS Applied Materials & Interfaces·2025· 1 citedOpen Access
Magnetic ground state of the dimer-based hexagonal perovskite <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ba</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>ZnRu</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>9</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2025· 3 citedOpen Access
Magnetic ground state of the dimer-based hexagonal perovskite Ba$_{3}$ZnRu$_{2}$O$_{9}$
arXiv (Cornell University)·2024Open Access
Kitaev interactions through extended superexchange pathways in the $${j}_{{\mathsf{eff}}}=1/2$$ Ru3+ honeycomb magnet RuP3SiO11
Nature Communications·2024· 3 citedOpen Access
Nearly linear orbital molecules on a pyrochlore lattice
Science Advances·2024· 4 citedOpen Access
Stabilization of U <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>5</mml:mn><mml:msup><mml:mi>f</mml:mi><mml:mn>2</mml:mn></mml:msup></mml:mrow></mml:math> configuration in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>UTe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> through U <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>6</mml:mn><mml:mi>d</mml:mi></mml:mrow></mml:math> dimers in the presence of Te2 chains
Physical Review Research·2024· 9 citedOpen Access
Quantifying the U <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>5</mml:mn><mml:mi>f</mml:mi></mml:mrow></mml:math> covalence and degree of localization in U intermetallics
Physical Review Research·2024· 7 citedOpen Access
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>J</mml:mi></mml:math>=<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mfrac><mml:mn>1</mml:mn><mml:mn>2</mml:mn></mml:mfrac></mml:math> pseudospins and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>d</mml:mi><mml:mtext>−</mml:mtext><mml:mi>p</mml:mi></mml:mrow></mml:math> hybridization in the Kitaev spin liquid candidates <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>Ru</mml:mi><mml:msub><mml:mi>X</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>X</mml:mi></mml:math>=Cl, Br, I)
Physical review. B./Physical review. B·2024· 5 citedOpen Access
Quantifying the U $5f$ covalence and degree of localization in U intermetallics
arXiv (Cornell University)·2024Open Access
Kitaev Interactions Through an Extended Superexchange Pathway in the jeff = 1/2 Ru3+ Honeycomb Magnet, RuP3SiO11
arXiv (Cornell University)·2024Open Access
Deciphering the Origin of Interface‐Induced High Li and Na Ion Conductivity in Nanocomposite Solid Electrolytes Using X‐Ray Raman Spectroscopy
Advanced Energy Materials·2024· 16 citedOpen Access
Anomalous Impact of Mechanochemical Treatment on the Na‐ion Conductivity of Sodium Closo‐Carbadodecaborate Probed by X‐Ray Raman Scattering Spectroscopy
Small Methods·2023· 9 citedOpen Access
Fe substitution in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>URu</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Si</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>: Singlet magnetism in an extended Doniach phase diagram
Physical review. B./Physical review. B·2023· 4 citedOpen Access
Resonant inelastic x-ray scattering from electronic excitations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>RuCl</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> nanolayers
Physical review. B./Physical review. B·2023· 3 citedOpen Access
Singlet magnetism in intermetallic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>UGa</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>unveiled by inelastic x-ray scattering
Physical review. B./Physical review. B·2023· 14 citedOpen Access
Resonant Inelastic X-ray Scattering from Electronic Excitations in $α$-RuCl$_3$ Nanolayers
arXiv (Cornell University)·2023· 2 citedOpen Access
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Frequent Co-authors

B. Keimer(20), Young‐June Kim(16), Jungho Kim(14), D. Casa(13), Martin Sundermann(12), T. Gög(10), M. H. Upton(9), M. Le Tacon(9), J. P. Clancy(8), M. Minola(6), Hasan Yavaş(6), L. H. Tjeng(6), A. Severing(6), J. Bertinshaw(5), H. Suzuki(5), Andrea Amorese(5), M. W. Haverkort(5), Yogesh Singh(4), P. Gegenwart(4), A. Lupascu(4)