Niels Bech Christensen

Niels Bech Christensen

Seniorforsker

DTU FYSIK
Institut for Fysik

Danmarks Tekniske Universitet

Fysikvej

Bygning 307, rum 256

2800 Kgs. Lyngby

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2015
 

Fractional excitations in the square-lattice quantum antiferromagnet

Piazza, B. Dalla ; Mourigal, M. ; Christensen, Niels Bech ; Nilsen, G. J. ; Tregenna-Piggott, P. ; Perring, T. G. ; Enderle, Mechtild ; McMorrow, Desmond Francis ; Ivanov, D. A. ; Rønnow, Henrik Moodysson
in journal: Nature Physics (ISSN: 1745-2473) (DOI: http://dx.doi.org/10.1038/NPHYS3172), vol: 11, issue: 1, pages: 62-68, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: http://dx.doi.org/10.1038/NPHYS3172

 

Analysis of the crystallographic and magnetic structures of the Tb0.1Pr0.9Al2 and Tb0.25Pr0.75Al2 magnetocaloric compounds by means of neutron scattering

Tedesco, Julio C. G. ; Carvalho, Alexandre Magnus G. ; Christensen, Niels Bech ; Kockelmann, Winfried ; Telling, Mark T. F. ; Yokaichiya, Fabiano ; Toebbens, Daniel M. ; Simeoni, Giovanna G. ; Cardoso, Lisandro P. ; Coelho, Adelino A. ; Bordallo, Heloisa N.
in journal: Journal of Materials Science (ISSN: 0022-2461) (DOI: http://dx.doi.org/10.1007/s10853-015-8851-1), vol: 50, issue: 7, pages: 2884-2892, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: http://dx.doi.org/10.1007/s10853-015-8851-1

  PDF

Field-induced interplanar magnetic correlations in the high-temperature superconductor La1.88Sr0.12CuO4

Rømer, A. T. ; Jensen, P. ; Jacobsen, H. ; Udby, L. ; Andersen, B. M. ; Bertelsen, M. ; Holm, S. L. ; Christensen, Niels Bech ; Toft-Petersen, R. ; Skoulatos, M. ; Laver, Mark ; Schneidewind, A. ; Link, P. ; Oda, M. ; Ido, M. ; Momono, N. ; Lefmann, K.
in journal: Physical Review B (Condensed Matter and Materials Physics) (ISSN: 1098-0121) (DOI: http://dx.doi.org/10.1103/PhysRevB.91.174507), vol: 91, issue: 17, pages: 174507, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: http://dx.doi.org/10.1103/PhysRevB.91.174507

2014
 

Quantum and thermal ionic motion, oxygen isotope effect, and superexchange distribution in La2CuO4

Haefliger, P. S. ; Gerber, S. ; Pramod, R. ; Schnells, V. I. ; dalla Piazza, B. ; Chati, R. ; Pomjakushin, V. ; Conder, K. ; Pomjakushina, E. ; Le Dreau, L. ; Christensen, Niels Bech ; Syljuasen, O. F. ; Normand, B. ; Rønnow, Henrik Moodysson
in journal: Physical Review B (Condensed Matter and Materials Physics) (ISSN: 1098-0121) (DOI: http://dx.doi.org/10.1103/PhysRevB.89.085113), vol: 89, issue: 8, 2014

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1103/PhysRevB.89.085113

  PDF

Competing charge, spin, and superconducting orders in underdoped YBa2Cu3Oy

Hücker, M. ; Christensen, Niels Bech ; Holmes, A. T. ; Blackburn, E. ; Forgan, E. M. ; Liang, Ruixing ; Bonn, D. A. ; Hardy, W. N. ; Gutowski, O. ; Zimmermann, M. V. ; Hayden, S. M. ; Chang, Jiho
in journal: Physical Review B (Condensed Matter and Materials Physics) (ISSN: 1098-0121) (DOI: http://dx.doi.org/10.1103/PhysRevB.90.054514), vol: 90, issue: 5, 2014

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1103/PhysRevB.90.054514

  PDF

Rotated stripe order and its competition with superconductivity in La1.88Sr0.12CuO4

Thampy, V. ; Dean, M. P. M. ; Christensen, Niels Bech ; Steinke, L. ; Islam, Z. ; Oda, M. ; Ido, M. ; Momono, N. ; Wilkins, S. B. ; Hill, J. P.
in journal: Physical Review B (Condensed Matter and Materials Physics) (ISSN: 1098-0121) (DOI: http://dx.doi.org/10.1103/PhysRevB.90.100510), vol: 90, issue: 10, pages: 100510, 2014

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1103/PhysRevB.90.100510

  PDF

Magnetic High-Field Phases of Magnetoelectric LiNiPO4

Fogh, Ellen ; Toft-Petersen, R. ; Nojiri, H. ; Granroth, G. ; Kihara, T. ; Christensen, Niels Bech
Presented at:
Neutron Scattering in Magnetic Fields Above 15 Tesla, 2014, Berlin

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2014

  PDF

High-field re-entrance of the magnetoelectric effect in LiNiPO4 investigated in pulsed fields

Fogh, Ellen ; Toft-Petersen, R. ; Nojiri, H. ; Kihara, T. ; E. Granroth, G. ; B. Stone, M. ; Lee, J. ; Fritsch, K. ; Andersen, Niels Hessel ; Vaknin, David ; Christensen, Niels Bech
Presented at:
4th Annual Niels Bohr International Academy Workshop-School on ESS Science, 2014, Copenhagen

Type: Poster (Peer reviewed)

Status: Published     |    År: 2014

  PDF

CAMEA ESS

Freeman, P.G. ; Birk, J.O. ; Marko, M. ; Bertelsen, Mads ; Larsen, Jacob ; Christensen, Niels Bech ; Lefmann, K. ; Jacobsen, J. ; Niedermayer, Ch. ; Juranyi, F. ; Ronnow, H.M.
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1051/epjconf/20158303005), vol: 83, pages: 03005, 2014

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1051/epjconf/20158303005

2013
  PDF

X-ray diffraction observations of a charge-density-wave order in superconducting ortho-II YBa2Cu3O6.54 single crystals in zero magnetic field

Blackburn, E. ; Chang, J. ; Hücker, M. ; Holmes, A. T. ; Christensen, Niels Bech ; Liang, Ruixing ; Bonn, D. A. ; Hardy, W. N. ; Rütt, U. ; Gutowski, O. ; Zimmermann, M. V. ; Forgan, E. M. ; Hayden, S. M.
in journal: Physical Review Letters (ISSN: 0031-9007) (DOI: http://dx.doi.org/10.1103/PhysRevLett.110.137004), vol: 110, issue: 13, pages: 137004, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1103/PhysRevLett.110.137004