Low Temperature Neutron and Synchrotron Diffraction Studies of KEr(MoO_4)_2 Single Crystal in External Magnetic Field

• Authors: S. Maťaš , A. Orendáčová , K. Prokeš , R. Feyerherm , E. Dudzik , B. Klemke
• Languages of publication: EN

Abstracts

EN

We report on low temperature magnetic properties of KEr(MoO_4)_2 single crystal, which was investigated from 0.28 K to 30 K in magnetic fields up to 6.5 T. Neutron elastic data collected above and below transition temperature T_{N} ≈ 0.95 K suggest that an antiferromagnetic ordering establishes at low temperatures. The magnetic model within the A_{x}C_{z} mode assuming only magnetic moment at erbium atom positions is suggested. Synchrotron experiment in moderate magnetic fields at temperatures above T_{N} explains the origin of observed signal(s) at (0K0) reflection positions, K odd.

Keywords

EN

75.50.-y; 28.20.Cz; 25.40.Dn

Discipline

• 75.50.-y: Studies of specific magnetic materials
• 28.20.Cz: Neutron scattering
• 25.40.Dn: Elastic neutron scattering

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 118
• Issue: 5
• Pages: 897-899

Dates

published

2010-11

Contributors

author

S. Maťaš

• Helmholtz-Zentrum Berlin, Hahn Meitner Platz 1, D-14109 Berlin, Germany
• Institute of Experimental Physics SAS, Watsonova 47, SK-04001 Košice, Slovakia

author

A. Orendáčová

• P.J. Šafárik University, Park Angelinum 1, Košice, SK-04001, Slovakia

author

K. Prokeš

• Helmholtz-Zentrum Berlin, Hahn Meitner Platz 1, D-14109 Berlin, Germany

author

R. Feyerherm

• Helmholtz-Zentrum Berlin, Hahn Meitner Platz 1, D-14109 Berlin, Germany

author

E. Dudzik

• Helmholtz-Zentrum Berlin, Hahn Meitner Platz 1, D-14109 Berlin, Germany

author

B. Klemke

• Helmholtz-Zentrum Berlin, Hahn Meitner Platz 1, D-14109 Berlin, Germany

References

• 1. A.G. Anders, S.V. Volotskii, O.E. Zubkov, Low Temp. Phys. 20, 105 (1994)
• 2. A.G. Anders, S. Volockii, O.E. Zubkov, Low Temp. Phys. 20, 137 (1994)
• 3. T. Roisnel, J. Rodriguez-Carvajal, Mater. Sci. Forum 378, 118 (2001)
• 4. J. García, J.A. Gonzalo, Physica A Stat. Mech. Appl. 326, 464 (2003)
• 5. S. Maťaš, A. Orendáčová, K. Prokeš, B. Klemke, J. Phys. Conf. Series

Identifiers

DOI

10.12693/APhysPolA.118.897