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High-pressure structural phase transition in MnWO4

DOI: 10.1103/PhysRevB.91.104109 DOI Help

Authors: Javier Ruiz Fuertes (Goethe-Universit) , A. Friedrich (Goethe-Universit) , Oscar Gomis (Universidad Politécnica de Valencia) , Daniel Errandonea (Universidad de Valencia) , W. Morgenroth (Goethe-Universit) , Juan Angel Sans Tresserras (Universitat Politècnica de València, Spain) , David Santamaria Perez (Universitat de Valencia)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review B , VOL 91 (10)

State: Published (Approved)
Published: March 2015
Diamond Proposal Number(s): 6517

Abstract: The pressure-induced phase transition of the multiferroic manganese tungstate MnWO4 is studied on single crystals using synchrotron x-ray diffraction and Raman spectroscopy. We observe the monoclinic P2/c to triclinic P1 phase transition at 20.1 GPa and get insight on the phase transition mechanism from the appearance of tilted triclinic domains. Selective Raman spectroscopy experiments with single crystals have shown that the onset of the phase transition occurs 5 GPa below the previously reported pressure obtained from experiments performed with powder samples

Diamond Keywords: Data Storage; Antiferromagnetism

Subject Areas: Physics, Materials, Information and Communication Technology

Instruments: I15-Extreme Conditions

Other Facilities: Extreme Conditions Beamline (ECB) at PETRA III

Added On: 08/07/2015 11:19

Discipline Tags:

Quantum Materials Multiferroics Physics Components & Micro-systems Information & Communication Technologies Magnetism Materials Science

Technical Tags:

Diffraction X-ray Powder Diffraction