Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.phys.msu.ru/upload/iblock/6ce/2010-00-00-stepanyuk.pdf Äàòà èçìåíåíèÿ: Fri Feb 26 15:30:30 2010 Äàòà èíäåêñèðîâàíèÿ: Mon Oct 1 23:59:13 2012 Êîäèðîâêà:

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«» ). , . , , . , , . . , , . . , , , .

(110)

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. :
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· (110). · (110). · (110). ­ (F), (T) . · . · , . : · , (110) : , . · , (110).

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· , , , (110). · 3d Pd(110), Cu(110) , , , . · Fe Co Pd(110) Cu(110). · , (110). · , . · . .

· , 3d Cu(110) Pd(110), "" .

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· 3d Pd(110) Cu(110) . · (110). · .

, . . , , . , . 4 , 5 .
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: « ­ 2008» (), «Moscow International Symposium on Magnetism ­ 2008» (), , «-2009», «73rd Spring Meeting of German Physical Society» (Dresden, Germany, 2009).

, , , 146 . 138 . 53 5 . , . , , .

1 , , , . () . (, ) .

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2 , . (). , , [1]. , . , - , 200 ­ 300 .

. 1. . , , , .
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. , 10
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.

. (), [2] [3]. , . , (. 1). 3 (110) . () (110) ­ . , .

[1-10] [4, 5]. . 3d (Co Fe) Pd(110). ,

8


. .

. 2. Fe(Co) Pd . (). , ­ Pd. . 2 , Fe Co Pd(110). [1-10] E1=0.30 Fe E2=0.29 Co.
- t D ~ v0 1 exp( ED / k BT ) ,

0.1 ; , Fe Co [1-10]. Fe o 1 , ~ 106 . , , [001] . , Fe(Co) : E2=0.32(0.33) , [1-10]. E2 E2
9


Fe(Co) .





, : . , Fe(Co) , Pd ­ Pd(110). « Fe(Co) ­ Pd» 0.05(0.10) (. 2). , ; Pd . Pd [110] 0.45 (. 2). [001] (E=0.54 ) Pd Pd. , . , ; , , , [1-10]. , Pd - Pd , , Pd, ... Pd(110) Co Fe. Fe Pd(110). Co Pd(110), .

10


3. Fe-Pd. (Q=0.12 Ml, T=290K (a), T=350K (), F = 0.005 /). . 3 ­ Pd(110) Q = 0.12 Fe T = 290 , =350 K F = 0.005 /. : 1) 2) Fe , , Pd. ~30 . [4]. , [4] , , , , , Fe(Co). , , , .
11


- . [6] , . , ~200 Pd, Fe. , , [1-10]. T 350 , [1-10], ( 3-b). T . T Pd-Pd [1-10] (0.73 ), , [7, 8]. , Co Pd(110) [4]. , 1) D ~ 0.1 2) D ~0.4 , Co/Pd(110) - [4]. [4] . , Co/Pd(110), , , , Pd. <0.4 , : -, Co , -, Co (, ),

12


, - . 4 (110) . , o u(110) , 3 ­ () - ().

. 4. o Cu Cu(110). (). Co, ­ u. Co Cu(110) [1-10] - E1 = 0.29 eV. Co , , 0.1 . - , Co Cu(110) . E2 = 0.30 ; 0.21 (. . 4).
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E1 E2, , Co . Cu , . Cu , ; , , . . 5 Cu Co Cu(110). Cu , [1-10] Co (. 5()). , Cu , [1-10] (. 5(b)).

5. Cu( ) u(110) Co( ). «--» u, Co ( 5()). u : Cu Co Cu; Co , Cu. Co . , . 5(c) . , , , .. .

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. 6 u(110) 0.4 Co (a), , (b). (a) u; Co 5 %.

6. Co-Cu. Q=0.4 , T=290 K (), (b). Co , u. 0.4 Co u(110) . [9] - , [1-10]. 6 2 , , . [10] ( ,
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0.8 ) - , [1-10]. [10] , , , u. . Co [1-10]. Co [001]. Co Co. Cu [1-10]. 0.26 0.50 0.48 0.48 0.73 Cu [001] . 0.30 Cu Cu 0.26 [1-10]. Cu Cu 0.46 [1-10]. 1. () . , , , u, , , Co Cu(110) [9, 10]. , (), [11], .
16

() 0.29 1.25 0.30 () 0.56 1.13 0.50 0.71

Co 0.54


Co Cu(110), () . (. .1): , , . , Co [1-10] Cu(110) 0.56 , 0.29 . Co 0.30 0.50 . , , , (. 6-b).

5 , . . (2-15 ) . : 1) 2) Cu(100). Cu , [15]. , Cu, .
17


, , Z . :
Z= 1 H ( p, q, T ) exp - kBT d h N!
3N

(1)

, Z . (1). , N , T, 6N- . H(q1, ..., qN, p1, ..., pN), (q1, ..., qN, p1, ..., pN) (1). , d , N . , - M, Zf = M(V)Z/V, Z ­ (1), V ­ , V = d ­ . , M Zf M. , Zf . , Z ln(Z), , Z ln(Z). CV, . , CV ( 300 1000 ), [12].
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/(*) [13].

CV







[12]
V



- C

= 3R = 392

, >> 10 [14] ( 2 ­ 40 ) . , Cu Cu(100). :
< u 2 >= 1 N
N


i =1

<| i (t ) - i (0) | 2 >

(2)

N ­ , i (0) - i ­ ,
i (t ) - i t,

. Cu(100) ,

1000 K . 1000 , 1100 1200 , , , , . , T. , , . , Cu (Tm = 1436 K). ,
19


, , . . «», . . 7 Cu Cu(100) . T , T 600 K. N 2 5, : , .

. 7. T Cu Cu(100) . , «», , T
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. , Cu Cu . . T , T (. 7). , .. , . · , · (110) : , . , (110). · , , Pd(110) 3d , Pd, , 3d , . , , , (110). · 3d Cu(110) , , , «» .
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· , · (110). , . · . , , , . [1] P. Hohenberg and W. Kohn // Inhomogeneous Electron Gas. Phys. Rev. Vol. 136, B864-B871 (1964). [2] A. F. Voter // Classically exact overlayer dynamics: Diffusion of rhodium clusters on Rh(100). Phys. Rev. B Vol. 34, 6819-6829 (1986). [3] K.A. Fichthorn and W.H. Weinberg // Theoretical Foundations of Dynamical Monte Carlo Simulations. J. Chem. Phys. Vol. 95, 1090-1096 (1991). [4] L. Yan, M. Przybylski, Yafeng Lu, W. Wang, J. Barthel, J. Kirchner // Fabrication and uniaxial magnetic anisotropy of Co nanowires on a Pd(110) surface. Appl. Phys. Lett. Vol. 86, 102503-102506 (2005). [5] E. Hahn, E. Kampshoff, A. Fricke, J.-P. Bucher, and K. Kern // Pseudomorphic growth of thin Cu films on Pd(110). Surf. Sci. Vol. 319, 277-286 (1994). [6] D. H. Wei, C. L. Gao, Kh. Zakeri, and M. Przybylski // Pd atomic chain formation as a result of submonolayer deposition of 3d metals on Pd(110). Phys. Rev. Lett. Vol 103. 225504(1)-225504(4) (2009).

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[7] R. Ferrando, F. Hontinfinde, A. C. Levi. // Morphologies in anisotropic cluster growth: A Monte-Carlo study on Ag(110). Phys. Rev. B, Vol. 56. N. 8, R4406R4409 (1997). [8] R. Ferrando, F. Hontinfinde, A. C. Levi. // Cluster morphology transitions in the submonolayer epitaxial growth of Ag on Ag(110). Surf. Sci. Vol. 402, 286-289 (1998). [9] S. Hope, M. Tselepi, E. Gu, T.M. Parker, and J.A.C. Bland // Two-dimensional percolation phase transition in ultrathin Co/Cu(110). J. Appl. Phys. Vol. 85, 60946096 (1999). [10] S.M. York and F.M. Leibsle // Co nanowire arrays on N-terminated Cu(110) surfaces. Phys. Rev. B Vol. 64, 033411-033414 (2001). [11] R. Kern and P. MÝller // Elastic relaxation of coherent epitaxial deposits. Surf. Sci Vol. 392, 103-133 (1997). [12] H.E. Alper. P. Politzer // Molecular Dynamics Simulation of the TemperatureDependent Behavior of Solid Copper. J. Mol. Struct (Theochem) Vol. 487, 117125 (1999) [13] H.E. Alper, P. Politzer // Molecular Dynamics Simulation of the TemperatureDependent Behavior of Aluminum, Copper, and Platinum. Int. J. Quant. Chem, Vol. 760, 670-676 (2000). [14] Ding F., Rosen A., Curtarolo S., Bolton K. // Modeling the melting of supported clusters. Appl. Phys. Lett. Vol. 88. P. 133110-113113 (2006) [15] V. Rosato, B. Guillope, and B. Legrand // Thermodynamical and structuralproperties of FCC transition-metals using a simple tight-binding model. Philos. Mag. A Vol. 59, 321-336 (1989).

4 , 5 .
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1. Stepanyuk O.V., Negulyaev N.N., Saletsky A.M., Hergert W. «Growth of Co nanostructures on Cu(110): Atomic-scale simulations». Phys. Rev. B 78, 113406-113410 (2008) 2. Stepanyuk O.V., Negulyaev N.N., Ignatiev P.A., Przybylski M., Hergert W., Saletsky A.M., Kirschner J. «Intermixing-driven scenario for the growth of nanowires on (110) metal surfaces». Phys. Rev. B 79, 155410-155415 (2009) 3. .., .., .. « u (100)». . . 2 ­ 2008. . 54-58. 4. .., .., .. « ». . 2 2009. . 111-113. 5. .. « Co Cu(110) Pd(110)». ­ 2008. . 246. 6. Stepanyuk O.V., Negulyaev N.N. , Hergert W., Saletsky A.M. «Growth of Co Nanostructures on Cu(110): Atomic Scale Simulations». Moscow International Symposium on Magnetism - 2008. . 339. 7. .. « ». , «2009», «». . 288. 8. Stepanyuk O.V., Negulyaev N.N., Saletsky A.M., Hergert W. «Kinetic Monte Carlo study of growth of Co on Cu(110) at room temperature». DPG Spring Meeting 2009 thesis journal, 0 42.79. 9. Stepanyuk O.V., Negulyaev N.N., Ignatiev P.A., Hergert W., Saletsky A.M., Kirschner J. «Novel mechanism of growth of atomic wires on(110) surfaces driven by intermixing». DPG Spring Meeting 2009 thesis journal, 0 56.9.

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