Random-field effects on the order in the diluted weakly anisotropic antiferromagnet K2NixZn1-xF4

B. J. Dikken; A. F. M. Arts; H. W. de Wijn; Jørgen Kjems

doi:10.1103/PhysRevB.30.2970

Random-field effects on the order in the diluted weakly anisotropic antiferromagnet K2NixZn1-xF4

B. J. Dikken, A. F. M. Arts, H. W. de Wijn, Jørgen Kjems

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

With the use of neutron diffraction, the effects of random fields are studied in the diluted quadratic-layer antiferromagnet K2NixZn1-xF4 for x=0.96, 0.85, and 0.75. Upon cooling in external fields as small as H∼0.1 T, the systems quench into a nonequilibrium domain state characterized by the absence of long-range order along the c axis. At low Zn concentrations and low fields the interplane inverse correlation length follows κz∝ H0.71±0.03. The order within the planes is also affected, but remains unexpectedly long ranged.

Original language	English
Journal	Physical Review B
Volume	30
Issue number	5
Pages (from-to)	2970-2973
ISSN	2469-9950
DOIs	https://doi.org/10.1103/PhysRevB.30.2970
Publication status	Published - 1984

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title = "Random-field effects on the order in the diluted weakly anisotropic antiferromagnet K2NixZn1-xF4",

abstract = "With the use of neutron diffraction, the effects of random fields are studied in the diluted quadratic-layer antiferromagnet K2NixZn1-xF4 for x=0.96, 0.85, and 0.75. Upon cooling in external fields as small as H∼0.1 T, the systems quench into a nonequilibrium domain state characterized by the absence of long-range order along the c axis. At low Zn concentrations and low fields the interplane inverse correlation length follows κz∝ H0.71±0.03. The order within the planes is also affected, but remains unexpectedly long ranged.",

author = "Dikken, {B. J.} and Arts, {A. F. M.} and Wijn, {H. W. de} and J{\o}rgen Kjems",

year = "1984",

doi = "10.1103/PhysRevB.30.2970",

language = "English",

volume = "30",

pages = "2970--2973",

journal = "Physical Review B (Condensed Matter and Materials Physics)",

issn = "1098-0121",

publisher = "American Physical Society",

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T1 - Random-field effects on the order in the diluted weakly anisotropic antiferromagnet K2NixZn1-xF4

AU - Dikken, B. J.

AU - Arts, A. F. M.

AU - Wijn, H. W. de

AU - Kjems, Jørgen

PY - 1984

Y1 - 1984

N2 - With the use of neutron diffraction, the effects of random fields are studied in the diluted quadratic-layer antiferromagnet K2NixZn1-xF4 for x=0.96, 0.85, and 0.75. Upon cooling in external fields as small as H∼0.1 T, the systems quench into a nonequilibrium domain state characterized by the absence of long-range order along the c axis. At low Zn concentrations and low fields the interplane inverse correlation length follows κz∝ H0.71±0.03. The order within the planes is also affected, but remains unexpectedly long ranged.

AB - With the use of neutron diffraction, the effects of random fields are studied in the diluted quadratic-layer antiferromagnet K2NixZn1-xF4 for x=0.96, 0.85, and 0.75. Upon cooling in external fields as small as H∼0.1 T, the systems quench into a nonequilibrium domain state characterized by the absence of long-range order along the c axis. At low Zn concentrations and low fields the interplane inverse correlation length follows κz∝ H0.71±0.03. The order within the planes is also affected, but remains unexpectedly long ranged.

U2 - 10.1103/PhysRevB.30.2970

DO - 10.1103/PhysRevB.30.2970

M3 - Journal article

VL - 30

SP - 2970

EP - 2973

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 1098-0121

IS - 5

ER -