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1.
Spin-glass nature of tweed precursors in martensitic transformations.
Kartha S; Castán T; Krumhansl JA; Sethna JP.
Phys Rev Lett ; 67(25): 3630-3633, 1991 Dec 16.
Artigo em Inglês | MEDLINE | ID: mdl-10044784
2.
Domain-growth kinetics and aspects of pinning: A Monte Carlo simulation study.
Castán T; Lindgrd PA.
Phys Rev B Condens Matter ; 43(1): 956-964, 1991 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-9996290
3.
Elastic constants of bcc shape-memory binary alloys: Effect of the configurational ordering.
Castán T; Planes A.
Phys Rev B Condens Matter ; 38(12): 7959-7965, 1988 Oct 15.
Artigo em Inglês | MEDLINE | ID: mdl-9945542
4.
n=(1/4 domain-growth universality class: Crossover to the n=(1/2 class.
Castán T; Lindgård P.
Phys Rev B Condens Matter ; 41(4): 2534-2536, 1990 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-9993995
5.
Kinetics of slow domain growth: The n=1/4 universality class.
Lindgård PA; Castán T.
Phys Rev B Condens Matter ; 41(7): 4659-4662, 1990 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-9994293
6.
Kinetics of domain growth, theory, and Monte Carlo simulations: A two-dimensional martensitic phase transition model system.
Castán T; Lindgård PA.
Phys Rev B Condens Matter ; 40(7): 5069-5083, 1989 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-9992507
7.
Monte Carlo study of the domain growth in nonstoichiometric two-dimensional binary alloys.
Porta M; Castán T.
Phys Rev B Condens Matter ; 54(1): 166-177, 1996 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-9984243
8.
Diffusionless first-order phase transitions in systems with frozen configurational degrees of freedom.
Planes A; Vives E; Castán T.
Phys Rev B Condens Matter ; 44(13): 6715-6722, 1991 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-9998544
9.
Degenerate Blume-Emery-Griffiths model for the martensitic transformation.
Vives E; Castán T; Lindgård PA.
Phys Rev B Condens Matter ; 53(14): 8915-8921, 1996 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-9982393
10.
Elastic constants of the beta -Cu-Zn alloy system: A Monte Carlo study.
Castán T; Planes A; Ramos A; Vials J.
Phys Rev B Condens Matter ; 39(6): 3551-3553, 1989 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-9948670
11.
Comment on "Kinetics of spinodal decomposition in the Ising model with vacancy diffusion"
Frontera C; Vives E; Castán T; Planes A.
Phys Rev B Condens Matter ; 53(5): 2886-2889, 1996 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-9983802
12.
Monte Carlo simulation of interface alloying.
Frontera C; Vives E; Castán T; Planes A.
Phys Rev B Condens Matter ; 51(17): 11369-11375, 1995 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-9977865
13.
Origin of magnetic and magnetoelastic tweedlike precursor modulations in ferroic materials.
Saxena, A; Castán, T; Planes, A; Porta, M; Kishi, Y; Lograsso, T A; Viehland, D; Wuttig, M; De Graef, M.
Phys Rev Lett ; 92(19): 197203, 2004 May 14.
Artigo em Inglês | MEDLINE | ID: mdl-15169443

RESUMO

Based on experimental observations of modulated magnetic patterns in a Co0.5Ni0.205Ga0.295 alloy, we propose a model to describe a (purely) magnetic tweed and a magnetoelastic tweed. The former arises above the Curie (or Néel) temperature due to magnetic disorder. The latter results from compositional fluctuations coupling to strain and then to magnetism through the magnetoelastic interaction above the structural transition temperature. We discuss the origin of purely magnetic and magnetoelastic precursor modulations and their experimental thermodynamic signatures.

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