– Niels Bohr Institute - University of Copenhagen

Ursula Bengård Hansen

Ursula Bengård Hansen

Postdoc


Publication year:
  1. 2018
  2. Published

    24-spin clusters in the mineral boleite KPb26Ag9Cu24Cl62(OH)48. / Dreier, E. S.; Holm, S. L.; Lonbaek, K.; Hansen, U. B.; Medarde, M.; Zivkovic, I.; Babkevich, P.; Ruminy, M.; Casati, N.; Piovano, A.; Rols, S.; Nilsen, G. J.; Boehm, M.; Skoulatos, M.; Schefer, J.; Ronnow, H. M.; Fennell, T.; Lefmann, K.

    In: Physical Review B, Vol. 97, No. 1, 014416, 17.01.2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Magnetic ground state and magnon-phonon interaction in multiferroic h-YMnO3. / Holm-Dahlin, Sonja; Kreisel, Andreas; Schäffer, Turi Kirstine; Bakke, August; Bertelsen, Mads; Hansen, Ursula Bengård; Retuerto Millan, Maria; Larsen, J.; Prabhakaran, D.; Deen, P.P.; Yamani, Z.; Birk, Jonas Okkels; Stuhr, U.; Niedermayer, Ch.; Fennell, A.L.; Andersen, Brian Møller; Lefmann, Kim.

    In: Physical Review B, Vol. 97, No. 13, 134304 , 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Comprehensive cluster-theory analysis of the magnetic structures and excitations in CoCl2*2H2O. / Jensen, Jens; Larsen, Jacob; Hansen, Ursula Bengård.

    In: Physical Review B, Vol. 97, No. 2, 22.01.2018, p. 024423.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Magnetic Anisotropy Switch : Easy Axis to Easy Plane Conversion and Vice Versa. / Perfetti, Mauro; Sørensen, Mikkel Agerbæk; Hansen, Ursula Bengård; Bamberger, Heiko; Lenz, Samuel; Hallmen, Philipp P.; Fennell, Tom; Simeoni, Giovanna G.; Arauzo, Ana; Bartolome, Juan; Bartolome, Elena; Lefmann, Kim; Weihe, Høgni; van Slageren, Joris; Bendix, Jesper.

    In: Advanced Functional Materials, Vol. 28, No. 32, 1801846, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Chemical tunnel-splitting-engineering in a dysprosium-based molecular nanomagnet. / Sørensen, Mikkel Agerbæk; Hansen, Ursula Bengård; Perfetti, Mauro; Pedersen, Kasper Steen; Bartolome, Elena; Simeoni, Giovanna G.; Mutka, Hannu; Rols, Stephane; Jeong, Minki; Zivkovic, Ivica; Retuerto Millan, Maria ; Arauzo, Ana; Bartolome, Juan; Piligkos, Stergios; Weihe, Høgni; Doerrer, Linda H.; van Slageren, Joris; Rønnow, Henrik Moodysson; Lefmann, Kim; Bendix, Jesper.

    In: Nature Communications, Vol. 9, 1292, 2018.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. 2017
  8. Published

    Spin susceptibility of the topological superconductor UPt3 from polarized neutron diffraction. / Gannon, W. J.; Halperin, W.P.; Eskildsen, M. R.; Dai, Pengcheng; Hansen, U. B.; Lefmann, K.; Stunault, A.

    In: Physical Review B, Vol. 96, No. 4, 041111, 10.07.2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    An optional focusing SELENE extension to conventional neutron guides : A case study for the ESS instrument BIFROST. / Hansen, Ursula Bengård; Bertelsen, Mads; Stahn, Jochen; Lefmann, Kim.

    In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 852, 03.02.2017, p. 46-56.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Neutron scattering studies of low dimensional magnetic systems. / Hansen, Ursula Bengård.

    The Niels Bohr Institute, Faculty of Science, University of Copenhagen, 2017. 211 p.

    Research output: Book/ReportPh.D. thesisResearch

  11. Published

    Spin excitations and quantum criticality in the quasi-one-dimensional Ising-like ferromagnet CoCl2 center dot 2D2O in a transverse field. / Larsen, J.; Schaffer, T. K.; Hansen, U. B.; Holm, S. L.; Ahl, Sonja Rosenlund; Toft-Petersen, R.; Taylor, J.; Ehlers, G.; Jensen, J.; Ronnow, H. M.; Lefmann, K.; Christensen, N. B.

    In: Physical Review B, Vol. 96, No. 17, 174424, 20.11.2017.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 2015
  13. Published

    Simulation of waviness in neutron guides. / Hansen, Ursula Bengård; Bertelsen, Mads; Lefmann, Kim; Bergbäck Knudsen, Erik.

    In: Journal of Neutron Research, Vol. 18, No. 2-3, 45-59, 31.12.2015.

    Research output: Contribution to journalJournal articleResearchpeer-review

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