Office : 245 ISB
Address :
Physics Department,
University of California, Santa Cruz,
CA 95064
Phone : (831) 459-2871
Fax : (831) 459-3043
Office Hour : by appointment
e-mail :
dave@dave.ucsc.edu
Institute on Global Conflict and Cooperation
Magnetic and structural phase transitions in LaCoO3
A. M. Durand,
D. P. Belanger,
C. H. Booth,
F. Ye,
S. Chi,
J. A. Fernandez-Baca,
and M. Bhat,
submitted to Phys. Rev. Lett. (2013).
Neutron scattering experiments and simulations near the
magnetic percolation threshold of Fe(x)Zn(1-x)F2
G. Alverez,
N. Aso,
D. P. Belanger,
A. M. Durand,
V. Martin-Mayor,
K. Motoya,
and Y. Muro,
Phys. Rev. B, 86, 024416, (2012).
Study of the local distortions of the perovskite system
La(1-x)Sr(x)CoO3 (0<x< 0.35) using the extended x-ray absorption
fine structure technique
Y. Jiang,
F. Bridges,
N. Sundaram,
D.P. Belanger,
I.E. Anderson,
J.F. Mitchell,
and H. Zheng,
Phys. Rev. B, 80, 144423, (2009).
Local structure of La(1-x)Sr(x)CoO3 determined
from EXAFS and neutron PDF studies
N. Sundaram,
Y. Jiang,
I.E. Anderson,
D.P. Belanger,
C.H. Booth,
F. Bridges,
J.F. Mitchell,
Th. Proffen,
and H. Zheng,
Phys. Rev. Lett. 102, 026401 (2009).
The order parameter critical exponent of the chiral phase transition in VF2
F. Ye,
Y.W. Rodriguez,
D.P. Belanger,
and J.A. Fernandez-Baca,
Journ. Magn. Magn. Mater. 310, 1410-1412 (2007).
Low-temperature excitations in a dilute three-dimensional anisotropic an
tiferromagnet
Y.W. Rodriguez, I.E. Anderson, D.P. Belanger, H. Nojiri, F. Ye, and J.A. Fernandez-Baca,
Journ. Magn. Magn. Mater. 310, 1546-1548 (2007).
Quasistationary criticality of the order parameter of the
three-dimensional random-field Ising antiferromagnet
Fe(0.85)Zn(0.15)F2: a synchrotron x-ray scattering study
F. Ye,
S. A. Meyer,
L. J. Shelton,
D. P. Belanger,
L. Lu,
S. Larochelle,
and M. Greven,
Phys. Rev. B 74, 144431-144440 (2006).
Simulations of irreversibilities of the random-field
Ising model order parameter
L. J. Shelton,
F. Ye,
W. C. Barber,
L. Zhou,
and D. P. Belanger,
J. Magn. & Magn. Mater., 272-276, 1302-03 (2004).
Percolation fractal dimension in scattering line shapes of
the random-field Ising model
F. Ye,
M. Matsuda,
S. Katano,
H. Yoshizawa,
D. P. Belanger,
E. T. Seppala,
J. A. Fernandez-Baca,
and M. J. Alava,
J. Magn. & Magn. Mater., 272-276, 1298-1299 (2004).
Magnetic vacancy percolation in dilute antiferromagnets
W. C. Barber,
F. Ye,
D. P. Belanger,
and J. A. Fernandez-Baca,
Phys. Rev. B 69, 24409-24413 (2004).
The spallation neutron source is taking shape
T. E. Mason,
R. K. Crawford,
G. J. Bunick,
A. E. Ekkebus,
and D. P. Belanger,
Appl. Phys. A 74, S11-S14 (2002).
Order parameter criticality of the d=3 random-field Ising
antiferromagnet Fe(0.85)Zn(0.15)F2
F. Ye,
L. Zhou,
S. Larochelle,
L. Lu,
D. P. Belanger,
M. Greven,
and D. Lederman,
Phys. Rev. Letters 89, 157202-157205 (2002).
Magnetic excitations in the three-dimensional dilute
antiferromagnet Fe(x)Zn(1-x)F2
J. Satooka,
K. Katsumata,
and D. P. Belanger,
J. Phys: Condens. Matter 14, 1307-1318 (2002).
Large random-field behavior above the vacancy percolation concentration
threshold: Fe(0.84)Zn(0.16)F2
T. Sakon,
S. Awaji,
M. Motokawa,
and D. P. Belanger,
J. Phys. Soc. Japan 71, 411-415 (2002).
Scaling properties of the critical behavior in the
dilute antiferromagnet Fe(0.93)Zn(0.07)F2
Z. Slanic,
D. P. Belanger,
and J. A. Fernandez-Baca,
J. Phys.: Condensed Matter 13, 1711-1726 (2001).
Far infrared spectroscopy on the three-dimensional dilute
antiferromagnet Fe(x)Zn(1-x)F2
J. Satooka,
K. Katsumata,
and D. P. Belanger,
J. Appl. Phys. 89, 7047-7049 (2001).
Monte carlo simulations of the random-field Ising model
W. C. Barber
and D. P. Belanger,
J. Magn. Magn. Mater. 226-230, 545547 (2001).
Experimental characterization of the Ising model
in disordered antiferromagnets (Invited)
D. P. Belanger,
Brazilian J. of Physics 30, 682-700 (2000).
The random field critical concentration in dilute antiferromagnets
W. C. Barber
and D.P. Belanger,
J. Appl. Phys. 87, 7049-7051 (2000).
d=3 random field behavior near percolation
F. C. Montenegro,
D. P. Belanger,
Z. Slanic,
and J. A. Fernandez-Baca,
J. Appl. Phys. 87, 6537-6539 (2000).
Ordering in the dilute weakly anisotropic antiferromagnet Mn(0.35)Zn(0.65)F2
F. C. Montenegro,
D. P. Belanger,
Z. Slanic,
and J.A. Fernandez-Baca,
Phys. Rev. B 61, 14681-14685 (2000).
Specific heat and optical birefringence of Fe(0.25)Zn(0.75)F2
W. C. Barber
and D. P. Belanger,
Phys. Rev. B 61, 8960-8965 (2000).
Equilibrium random-field Ising critical scattering in the antiferromagnet
Fe(0.93)Zn(0.07)F2
Z. Slanic,
D. P. Belanger,
and J. A. Fernandez-Baca,
Phys. Rev. Letters 82, 426-429 (1999).
Crossover from pure Ising to random-exchange dominated behavior of
the two-dimensional antiferromagnet Rb2Co(0.85)Mg(0.15)F4
Ch. Binek,
W. Kleemann,
and D. P. Belanger,
Phys. Rev. B 57, 7791-7797 (1998).
Random-field critical scattering at high magnetic
concentration in the Ising antiferromagnet Fe(0.93)Zn(0.07)F2
Z. Slanic,
D. P. Belanger,
and J. A. Fernandez-Baca,
J. Magn. Magn. Mater. 177-181, 171-172 (1998).
The random-field specific heat critical
behavior at high magnetic concentration: Fe(0.93)Zn(0.07)F2
Z. Slanic
and D. P. Belanger,
J. Magn. Magn. Mater. 186, 65-73 (1998).
Kinetics of random-field induced domains in the
two-dimensional Ising antiferromagnet Rb2Co(0.85)Mg(0.15)F4
W. Kleemann,
Ch. Jakobs,
Ch. Binek,
and D. P. Belanger,
J. Magn. Magn. Mater. 177-81, 209-210 (1998).
Experiments on the Random Field Ising Model (Invited)
D. P. Belanger,
``Spin Glasses and Random Fields'', ed.
A.P. Young
World Scientific, 1998.
Dynamics of the antiferromagnetic random exchange Ising
system Fe(x)Zn(1-x)F2 near the percolation threshold
K. Jonason,
C. Djurberg,
P. Nordblad,
and D. P. Belanger,
Phys. Rev. B 56, 5404-5411 (1997).
Thermodynamic study of the magnetic phase transition in UNi4B
S. A. M. Mentink,
H. Amitsuka,
A. de Visser,
Z. Slanic,
D. P. Belanger,
J. J. Neumeier,
J. D. Thompson,
A. A. Menovsky,
J. A. Mydosh,
and T. E. Mason,
Physica B 230, 108-110 (1997).
Comment on ``X-Ray and neutron scattering, magnetization and
heat capacity study of the 3D random field Ising model''
D. P. Belanger,
W. Kleemann,
and F. C. Montenegro,
Phys. Rev. Lett. 77, 2341-2343 (1996).
Effect of spin-system fluctuations on heat transport
in RbMnF3 close to the Neel temperature
M. Marinelli,
F. Mercuri,
S. Foglietta,
and D. P. Belanger,
Phys. Rev. B 54, 4087-4092 (1996).
Specific heat of the structural random-field
Ising system DyAs(x)V(1-x)O4
Z. Slanic,
D. P. Belanger,
J. Wang,
and D. R. Taylor,
Phys. Rev. B 53, 97-101 (1996).
Magnetic order in the random-field Ising film
Fe(0.5)Zn(0.5)F2
D. P. Belanger,
J. Wang,
Z. Slanic,
S.-J. Han,
R. M. Nicklow,
M. Lui,
C. A. Ramos,
and D. Lederman,
Phys. Rev. B 54, 3420-3427 (1996).
Specific heat, thermal diffusivity, and thermal conductivity
of FeF2 at the Neel temperature
M. Marinelli,
F. Mercuri,
and D. P. Belanger,
Phys. Rev. B 51, 8897-8903 (1995).
Critical behavior of thermal parameters of FeF2 at the Neel temperature
M. Marinelli,
F. Mercuri,
and D.P. Belanger,
J. Magn. Magn. Mater. 140-144, 1547-1548 (1995).
Neutron scattering study of the random-field Ising film
Fe(0.5)Zn(0.5)F2
D. P. Belanger,
J. Wang,
Z. Slanic,
S-J. Han,
R. M. Nicklow,
M. Lui,
C. A. Ramos,
and D. Lederman,
J. Magn. Magn. Mater. 140-144, 1549-1550 (1995).
Specific heat critical behavior of an Ising stacked triangular
lattice antiferromagnet CsCoBr3
J. Wang,
D. P. Belanger,
and B. D. Gaulin ,
Phys. Rev. B 49, 12299-12302 (1994).
Magnetic excitations in the dilute anisotropic antiferromagnet
Fe(x)Zn(1-x)F2
C. Paduani,
D. P. Belanger,
J. Wang,
S-J. Han,
and R. M. Nicklow,
Phys. Rev. B 50, 193-199 (1994).
Neutron and x-ray scattering studies of
(FeF2)m(CoF2)n multilayers
D. Lederman,
D. P. Belanger,
J. Wang,
S-J. Han,
C. A. Ramos,
C. Paduani,
and R. M. Nicklow,
Magnetic Ultrathin Films. Multilayers and Surfaces, Interfaces and
Characterization Symposium. (Magnetic Ultrathin Films. Multilayers and
Surfaces, Interfaces and Characterization Symposium, San Francisco, CA, USA,
12-16 April 1993). Edited by: Jonker, B.T.; Chambers, S.A.; Farrow, R.F.C.;
Chappert, C.; and others. Philadelphia, PA, USA: Mater. Res. Soc, 1993. p.
333-8.
Neutron scattering measurements of the staggered magnetization
of an antiferromagnetic epitaxial thin film FeF2
D. P. Belanger,
M. Lui,
and R. W. Erwin,
Magnetic Ultrathin Films. Multilayers and Surfaces,
Interfaces and Characterization Symposium. (Magnetic Ultrathin Films.
Multilayers and Multilayers and Surfaces, Interfaces and Characterization
Symposium, San Francisco, CA, USA, 12-16 April 1993). Edited by: Jonker,
B.T.; Chambers, S.A.; Farrow, R.F.C.; Chappert, C.; and others.
Philadelphia, PA, USA: Mater. Res. Soc, 1993. p. 755-9.
Neutron scattering measurements in Fe(x)Zn(1-x)F2
near the percolation threshold
D. P. Belanger
and H. Yoshizawa,
Phys. Rev. B 47, 5051-5058 (1993).
Recent experiments in Ising antiferromagnets
with quenched randomness (Invited)
D. P. Belanger,
Brazilian Journ. Phys. 22, 283-294 (1992).
Relaxation of the remanent magnetization of dilute anisotropic
antiferromagnets
S.-J. Han
and D. P. Belanger,
Phys. Rev. B 46, 2926-2932 (1992).
Specific heat of CsMnBr3 and Ho: n=2, d=3 chiral universality
J. Wang,
D. P. Belanger,
and B. D. Gaulin,
J. Magn. Magn. Mater. 117, 356-358 (1992).
Random field Ising model experiments: statics and
dynamics (Invited)
D. P. Belanger,
Recent progress in random magnets, ed. D.H. Ryan, World Scientific,
277-308 (1992).
Relaxation of the excess magnetization of
random field induced metastable domains Fe(0.47)Zn(0.53)F2
S.-J. Han,
D. P. Belanger,
W. Kleemann,
and U. Nowak,
Phys. Rev. B 45, 9728-9735 (1992).
The random field Ising model (Invited)
D. P. Belanger
and A. P. Young,
J. Mag. Mag. Mater. 100, 272-291, (1991).
The specific heat critical behavior of
CsMnBr3 and holmium
J. Wang,
D. P. Belanger,
and B. D. Gaulin,
Phys. Rev. Lett. 66, 3195-3198 (1991).
Neutron scattering measurements of an Ising
antiferromagnet above the percolation threshold:
random field induced spin glass-like behavior in
Fe(0.31)Zn(0.69)F2
D. P. Belanger,
Wm. E. Murray, Jr.,
F. C. Montenegro,
A. R. King,
V. Jaccarino,
and R. W. Erwin,
Phys. Rev. B 44, 2161-2168 (1991).
Random field induced spin glass-like behavior in the
diluted Ising antiferromagnet Fe(0.31)Zn(0.69)F2
F. C. Montenegro,
A. R. King,
V. Jaccarino,
S-J. Han,
and D. P. Belanger,
Phys. Rev. B 44, 2155-2160 (1991).
Dipolar magnets revisited: neutron scattering, dynamical, and
calorimic studies of randomly distributed Ising spins
D. H. Reich,
B. Ellman,
J. Yang,
T. F. Rosenbaum,
G. Aeppli,
and D. P. Belanger,
Phys. Rev. B 42, 4631-4644 (1990).
The specific heat of Fe(0.46)Zn(0.54)F2
K. E. Dow
and D. P. Belanger,
Phys. Rev. B 39, 4418-4423 (1989).
Random exchange Ising model dynamics: Fe(0.46)Zn(0.54)F2
D. P. Belanger,
B. Farago,
V. Jaccarino,
A. R. King,
C. Lartigue,
and F. Mezei,
Journ. de Phys. 49, C8-1229-1230 (1988).
Metastability of the uniform magnetization in the
d=3 random-field Ising model systems: II. Fe(0.47)Zn(0.53)F2
P. Pollak,
W. Kleemann,
and D. P. Belanger,
Phys. Rev. B 38, 4773-4780 (1988).
Concentration inhomogeneities in random magnets
I. Characterization using optical birefringence
A. R. King,
I. B. Ferreira,
V. Jaccarino,
and D. P. Belanger,
Phys. Rev. B 37, 219-225 (1988).
Concentration inhomogeneities in random magnets
II. Effects on critical phenomena studies
D. P. Belanger,
A. R. King,
I. B. Ferreira,
and V. Jaccarino,
Phys. Rev. B 37, 226-235 (1988).
Random field effects in dilute antiferromagnets (Invited)
D. P. Belanger,
Springer Proceedings in Physics 27, pp. 221-235,
Competing Interactions and Microstructures: Statistics
and Dynamics ed. R. LeSar, A. Bishop and R. Heffner,
Springer-Verlag (1987).
Random field experiments in dilute
antiferromagnets (Invited)
D. P. Belanger,
Phase Transitions 11, pp. 53-89, ed. J.C. Toledano,
Gordon and Breach Science Publishers Inc. (1987).
Neutron scattering observations of extreme
critical slowing down in a d=3 random field system
D. P. Belanger,
V. Jaccarino,
A. R. King,
and R. M. Nicklow,
Phys. Rev. Lett. 59, 930-933 (1987).
Neutron scattering and the critical behavior of
the three dimensional Ising antiferromagnet FeF2
D. P. Belanger
and H. Yoshizawa,
Phys. Rev. B 35, 4823-4830 (1987).
Crossover from random exchange to random field
critical behavior in FexZn(1-x)F2
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Phys. Rev B 34, 452-455 (1986).
Random field effects in d=2 and d=3 Ising
systems (Invited)
A. R. King
and D. P. Belanger,
J. Magn. Magn. Mat. 54-57, 19-24 (1986).
Neutron scattering study of magnetic excitations
in a one-dimensional heisenberg antiferromagnet CsVCl3
H. Kadowaki,
K. Ubukoshi,
K. Hirakawa,
D. P. Belanger,
H. Yoshizawa,
and G. Shirane,
J. Phys. Soc. Japan 55, 2846-2852 (1986).
Neutron scattering study of the nucleation and
growth process at the pressure-induced first-order phase
transformation of RbI
N. Hamaya,
Y. Yamada,
J. D. Axe,
D. P. Belanger,
and S. M. Shapiro,
Phys. Rev. B 33, 7770-7776 (1986).
Scaling of the equilibrium boundary of
d=3 random field Ising model systems
A. R. King,
V. Jaccarino,
D. P. Belanger,
and S. M. Rezende,
Phys. Rev. B 32, 503-506 (1985).
Scaling of the metastability boundary of a
d=2 random field Ising system
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Phys. Rev. Lett. 54, 577-580 (1985).
Random field critical scattering
D. P. Belanger,
A. R. King,
and V. Jaccarino,
J. Appl. Phys. 57, 3291-3293 (1985).
Hysteresis, metastability and time dependence
in d=2 and d=3 random field Ising systems
D. P. Belanger,
S. M. Rezende,
A. R. King,
and V. Jaccarino,
J. Appl. Phys. 57, 3294-3296 (1985).
Neutron scattering study of hysteresis near
Tc in a d=3 random field Ising system
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Sol. St. Comm. 54, 79-81 (1985).
Random field critical behavior of a d=3 Ising
system: neutron scattering studies of Fe(0.6)Zn(0.4)F2
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Phys. Rev. B 31, 4538-4547 (1985).
Mean field simulation of field-induced domains and hysteretic behavior
in dilute Ising antiferromagnets
H. Yoshizawa
and D. P. Belanger,
Phys. Rev. B 30, 5220-5227 (1984).
An experimental study of the critical fluctuations
in a two-dimensional Ising model
R. A. Cowley,
M. Hagen,
and D. P. Belanger,
J. Phys. C 17, 3763-3775 (1984).
The temperature dependence of the optical
birefringence of MnF2, MgF2 and ZnF2
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Phys. Rev. B 29, 2636-2643 (1984).
Capacitance measurement of magnetic specific heat
A. R. King,
D. P. Belanger,
P. Nordblad,
and V. Jaccarino,
J. Appl. Phys. 55, 2410-2412 (1984).
Random-field effects in two and three
dimensions (Invited)
D. P. Belanger,
A. R. King,
and V. Jaccarino,
J. Appl. Phys. 55, 2383-2388 (1984).
Critical behavior of two-dimensional
Rb2CoF4 as observed by linear birefringence
P. Nordblad,
D. P. Belanger,
A. R. King,
V. Jaccarino,
and H. Ikeda,
Phys. Rev. B 28, 278-280 (1983).
Critical behavior of a site-dilute three
dimensional Ising magnet
R. J. Birgeneau,
R. A. Cowley,
G. Shirane,
H. Yoshizawa,
D. P. Belanger,
A. R. King,
V. Jaccarino
Phys. Rev. B 27, 6747-6753 (1983).
Critical behavior in anisotropic antiferromagnets
D. P. Belanger,
P. Nordblad,
A. R. King,
V. Jaccarino,
L. Lundgren,
and O. Beckman,
J. Magn. Magn. Mat. 31-34, 1095-1096 (1983).
Critical behavior of induced linear
birefringence in isotropic antiferromagnets
P. Nordblad,
D. P. Belanger,
A. R. King,
V. Jaccarino,
and H. J. Guggenheim,
J. Magn. Magn. Mat. 31-34, 1093-1094 (1983).
Random field effects on critical behavior
of diluted Ising antiferromagnets
D. P. Belanger,
A. R. King,
V. Jaccarino,
and J. L. Cardy,
Phys. Rev. B 28, 2522-2526 (1983).
Random field effects on critical behavior
of diluted Ising antiferromagnets
D. P. Belanger,
A. R. King,
and V. Jaccarino,
Phys. Rev. Lett. 48, 1050-1053 (1982).
Critical behavior in random anisotropic antiferromagnets
D. P. Belanger,
A. R. King,
and V. Jaccarino,
J. Appl. Phys. 53, 2704-2706 (1982).
Random field effects in diluted anisotropic antiferromagnets
D. P. Belanger,
A. R. King,
and V. Jaccarino,
J. Appl. Phys. 53, 2702-2703 (1982).
Dilution effects on TN and SRO in Mn(x)Zn(1-x)F2
D. P. Belanger,
A. R. King,
F. Borsa,
and V. Jaccarino,
J. Magn. Magn. Mat. 15-18, 807-808 (1980).
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