Short-range order in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>A</mml:mi><mml:msub><mml:mi>B</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>binary alloy thin films

Zasada, I.; Sukiennicki, A.; Wojtczak, L.; Alvarado, F.L. Castillo

doi:10.1103/physrevb.74.205402

Cited by 3 publications

(4 citation statements)

References 36 publications

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“…The entropy term of the free energy F given by (3) can be calculated in the usual way [17][18][19][20][21]29] taking into account that:…”

Section: ∂F ∂X(i)mentioning

confidence: 99%

“…The present approach searches for energetically the most favorable equilibrium structure of the surface region described in terms of random-alloy within the Valenta model of the inhomogeneous systems [17][18][19][20][21]. The free energy has contributions: from internal energy defined by the components concentrations and interaction potential of Sutton-Chen (SC) character [22,23] and from the entropy in the standard form.…”

Section: Introductionmentioning

confidence: 99%

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Alloying process at the interface of silver nanoparticles deposited on Au(111) substrate due to the high-temperature treatments

Puchalski

Kowalczyk

Zasada

et al. 2009

Journal of Alloys and Compounds

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“…The entropy term of the free energy F given by (3) can be calculated in the usual way [17][18][19][20][21]29] taking into account that:…”

Section: ∂F ∂X(i)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Alloying process at the interface of silver nanoparticles deposited on Au(111) substrate due to the high-temperature treatments

Puchalski

Kowalczyk

Zasada

et al. 2009

Journal of Alloys and Compounds

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“…In the context of the considerations introduced by Hill [6] the average value x of the thermodynamic quantity x for the inhomogeneous system for a thin solid film with thickness d can be expressed [8] by (21):…”

Section: Equation Of State For the Reduced Dimension Systemmentioning

confidence: 99%

The size effect in the equation of state for nanostructures

Warda

2009

J. Phys.: Condens. Matter

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In analogy to the interacting real gas the magnetic systems are described like magnons which form the system of interacting quasi-particles. In order to describe the magnetic systems, firstly the equation of state for real gas is introduced and next the model is developed in the case of magnons for the confined geometry. In particular, the applications of magnetic equation of states for thin films and nanowires with unit cell cross sections as well as for nanoparticles are considered. Moreover, the size effect and the critical temperature for the mentioned systems are investigated. The critical temperature and magnetization exhibit a strong dependence on the size of the system and the anisotropy of magnetic interaction in the interior and at the surface of the considered system.

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“…for higher temperatures while there is no magnetization for the lattice-ordered state. The order-disorder phenomena including the distribution of chemical component has been considered as well in terms of the short-range order in binary alloy thin films whose surfaces play an essential role [12]. Among others, two effects seem to be of particularly great interest, namely: the crossover of the site occupancy in the surface layer and the shift of atoms in the surface plane between two kinds of lattice sites.…”

Section: Introductionmentioning

confidence: 99%

Ferromagnetic Nano-Structures in Valenta Model

Zasada,

Busiakiewicz

2009

Preprint

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The ferromagnetic nano-structures are recently of great interest for modern investigations. A comparison of the experimental data and theoretical results shows that the use of the standard molecular field approximation is insufficient for the description of nano-structure properties. Therefore, we use the effective field approach in order to show the usefulness of the Valenta model generalized in this way. The agreement between experiment and theory is then excellent.The magnetization profiles and the calculated Curie temperatures are presented for the systems consisting of Ni and Co layers with different configuration of the surfaces and interfaces including terraces and wires. We have shown that the position in the system as well as the kind of neighbouring layers and their mutual interactions can determine the shape of magnetization profiles.The use of the Valenta model allows us to present all dependences in the layer resolved mode.

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Short-range order inAB3binary alloy thin films

Cited by 3 publications

References 36 publications

Alloying process at the interface of silver nanoparticles deposited on Au(111) substrate due to the high-temperature treatments

Alloying process at the interface of silver nanoparticles deposited on Au(111) substrate due to the high-temperature treatments

The size effect in the equation of state for nanostructures

Ferromagnetic Nano-Structures in Valenta Model

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