The phase diagram of repulsive dipoles in 2 D with application to Na/W(110)

Autor:	L D Roelofs, D L Kriebel
Rok vydání:	1987
Předmět:	Physics Dipole Lattice constant Condensed matter physics Lattice (order) Monte Carlo method General Engineering General Physics and Astronomy Condensed Matter Physics Phase diagram
Zdroj:	Journal of Physics C: Solid State Physics. 20:2937-2959
ISSN:	0022-3719
DOI:	10.1088/0022-3719/20/19/019
Popis:	The authors present a calculation of the phase diagram of repulsively interacting dipole moments on a centred rectangular lattice, using exact energetics at T=0 and Monte Carlo simulation for T>0. The phase diagram exhibits several interesting phases and some subleties attributable to the long-range dipole potential approximately 1/R3. As this model has been advanced for electropositive adsorbates on BCC (110) surfaces they discuss their results in the context of the system Na/W(110). Some qualitative correspondence is found, but corrections are needed out to at least a distance of twice the W lattice constant.
Databáze:	OpenAIRE
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