Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Technical University of Denmark

in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (4/4 displayed)

  • 2020Field-induced magnetic incommensurability in multiferroic Ni 3 TeO 613citations
  • 2020Field-induced magnetic incommensurability in multiferroic Ni3TeO613citations
  • 2013Structure and Magnetic Properties of Cu 3 Ni 2 SbO 6 and Cu 3 Co 2 SbO 6 Delafossites with Honeycomb Lattices58citations
  • 2013Structure and Magnetic Properties of Cu3Ni2SbO6 and Cu3Co2SbO6 Delafossites with Honeycomb Lattices58citations

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Chart of shared publication
Bartkowiak, M.
2 / 15 shared
Niedermayer, Ch.
2 / 3 shared
Toth, S.
2 / 2 shared
Retuerto, M.
2 / 2 shared
Lass, J.
2 / 2 shared
Andersen, Ch. Røhl
1 / 1 shared
Lefmann, Kim
2 / 12 shared
Leerberg, H. K.
2 / 2 shared
Lu, Zhilun
2 / 5 shared
Birkemose, S.
2 / 2 shared
Birk, J. Okkels
2 / 2 shared
Stuhr, U.
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Andersen, Christopher Røhl Yskes
1 / 3 shared
Hay, J. N.
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Norby, Poul
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Cava, R. J.
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Schneider, R.
2 / 39 shared
Andersen, Niels Hessel
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Roudebush, J. H.
2 / 2 shared
Ramlau, R.
2 / 2 shared
Garlea, V. O.
2 / 2 shared
Chart of publication period
2020
2013

Co-Authors (by relevance)

  • Bartkowiak, M.
  • Niedermayer, Ch.
  • Toth, S.
  • Retuerto, M.
  • Lass, J.
  • Andersen, Ch. Røhl
  • Lefmann, Kim
  • Leerberg, H. K.
  • Lu, Zhilun
  • Birkemose, S.
  • Birk, J. Okkels
  • Stuhr, U.
  • Andersen, Christopher Røhl Yskes
  • Hay, J. N.
  • Norby, Poul
  • Cava, R. J.
  • Schneider, R.
  • Andersen, Niels Hessel
  • Roudebush, J. H.
  • Ramlau, R.
  • Garlea, V. O.
OrganizationsLocationPeople

article

Field-induced magnetic incommensurability in multiferroic Ni3TeO6

  • Bartkowiak, M.
  • Niedermayer, Ch.
  • Toth, S.
  • Retuerto, M.
  • Lass, J.
  • Toft-Petersen, Rasmus
  • Lefmann, Kim
  • Leerberg, H. K.
  • Lu, Zhilun
  • Birkemose, S.
  • Birk, J. Okkels
  • Stuhr, U.
  • Andersen, Christopher Røhl Yskes
Abstract

Using single-crystal neutron diffraction we show that the magnetic structure Ni<sub>3</sub>TeO<sub>6 </sub>at fields above 8.6 T along the <i>c</i><b> </b>axis and low temperature changes from a commensurate collinear antiferromagnetic structure with spins along <i>c</i> and ordering vector <i>Q</i><sub>C</sub>=(001.5) to a conical spiral with propagation vector <i>Q</i><sub>IC</sub>=(001.5±<i>δ</i>), <i>δ</i>∼0.18, having a significant spin component in the (<i>a</i>,<i>b</i>) plane. We determine the phase diagram of this material in magnetic fields up to 10.5 T along <i>c</i> and show the phase transition between the low field and conical spiral phases is of first order by observing a discontinuous jump of the ordering vector. <i>Q</i><sub>IC</sub> is found to drift both as a function of magnetic field and temperature. Preliminary inelastic neutron-scattering data reveal that the spin-wave gap in zero field has minima exactly at <i>Q</i><sub>IC</sub> and a gap of about 1.1 meV consisting with a crossover around 8.6 T. Further, a simple magnetic Hamiltonian accounting in broad terms for these is presented. Our findings confirm the exclusion of the inverse Dzyaloshinskii-Moriya interaction as a cause for the giant magnetoelectric due to symmetry arguments. In its place we advocate for the symmetric exchange striction as the origin of this effect.

Topics
  • impedance spectroscopy
  • phase
  • phase transition
  • neutron diffraction
  • phase diagram
  • ion chromatography