en
Scientific article
Open access
English

Crystal structure and magnetic ordering in magnetoelectric KNiPO4 investigated by means of X-ray and neutron diffraction

Published inFerroelectrics, vol. 162, no. 1-4, p. 37-44
Publication date1994
Abstract

The crystal structure of magnetoelec. KNiPO4 was refined by single crystal x-ray diffraction methods at room temp. confirming orthorhombic space group Pna21. Powder neutron diffraction studies showed that the room temp. structure is preserved down to 30 K. Consistent with magnetic susceptibility measurements, long-range antiferromagnetic ordering according to K = 0 and Shubnikov space group Pna21 is established by neutron diffraction at temps. below TN = (25.5+-0.5) K. The ordered magnetic moments of (3.00 +- 0.04) mB, oriented along [1, 0, 0], indicate large orbital contributions to the magnetic moments of Ni2+. DTA studies at 100-1000 Deg, showed two phase transitions, at 486.5 Deg and at 581.3 Deg. [on SciFinder (R)]

Keywords
  • Crystal structure
  • Magnetic moment
  • Magnetic susceptibility (of nickel potassium phosphate)
  • Magnetic structure (antiferro-, of nickel potassium phosphate) crystal magnetic structure potassium nickel phosphate
Funding
  • Swiss National Science Foundation - 1993
Citation (ISO format)
FISCHER, Peter et al. Crystal structure and magnetic ordering in magnetoelectric KNiPO<sub>4</sub> investigated by means of X-ray and neutron diffraction. In: Ferroelectrics, 1994, vol. 162, n° 1-4, p. 37–44. doi: 10.1080/00150199408245088
Main files (1)
Article (Published version)
accessLevelPublic
Identifiers
ISSN of the journal0015-0193
554views
675downloads

Technical informations

Creation11/08/2013 5:53:00 PM
First validation11/08/2013 5:53:00 PM
Update time03/14/2023 8:38:15 PM
Status update03/14/2023 8:38:15 PM
Last indexation01/16/2024 8:14:38 AM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack