Excitable CO oxidation on Pt(110) under nonuniform coupling

被引：34

作者：

Beta, C ^{[1
]}

Moula, MG ^{[1
]}

Mikhailov, AS ^{[1
]}

Rotermund, HH ^{[1
]}

Ertl, G ^{[1
]}

机构：

[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.93.188302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new feedback scheme for guided spatiotemporal pattern formation in reaction-diffusion systems is introduced. In contrast to previously established control methods, we present a coupling protocol that is sensitive to the presence of coherent structures in the medium. Applying this feedback to the catalytic CO oxidation on Pt(110) in both experiments and numerical simulations, we show that temporal evolution and spatial extension of self-organizing objects can be efficiently controlled.

引用

页码：188302 / 1

页数：4

共 16 条

[1] PATTERN-FORMATION OUTSIDE OF EQUILIBRIUM [J].

CROSS, MC ;

HOHENBERG, PC .

REVIEWS OF MODERN PHYSICS, 1993, 65 (03) :851-1112

[2]

ENGEL T, 1979, ADV CATAL, V28, P1

[3] Effect of substrate strain on adsorption [J].

Gsell, M ;

Jakob, P ;

Menzel, D .

SCIENCE, 1998, 280 (5364) :717-720

[4] OSCILLATORY KINETICS IN HETEROGENEOUS CATALYSIS [J].

IMBIHL, R ;

ERTL, G .

CHEMICAL REVIEWS, 1995, 95 (03) :697-733

[5] SPATIOTEMPORAL CONCENTRATION PATTERNS IN A SURFACE-REACTION - PROPAGATING AND STANDING WAVES, ROTATING SPIRALS, AND TURBULENCE [J].

JAKUBITH, S ;

ROTERMUND, HH ;

ENGEL, W ;

VONOERTZEN, A ;

ERTL, G .

PHYSICAL REVIEW LETTERS, 1990, 65 (24) :3013-3016

[6] Controlling chemical turbulence by global delayed feedback: Pattern formation in catalytic CO oxidation on Pt(110) [J].

Kim, M ;

Bertram, M ;

Pollmann, M ;

von Oertzen, A ;

Mikhailov, AS ;

Rotermund, HH ;

Ertl, G .

SCIENCE, 2001, 292 (5520) :1357-1360

[7] BIFURCATION TO TRAVELING SPOTS IN REACTION-DIFFUSION SYSTEMS [J].

KRISCHER, K ;

MIKHAILOV, A .

PHYSICAL REVIEW LETTERS, 1994, 73 (23) :3165-3168

[8] OSCILLATORY CO OXIDATION ON PT(110) - MODELING OF TEMPORAL SELF-ORGANIZATION [J].

KRISCHER, K ;

EISWIRTH, M ;

ERTL, G .

JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (12) :9161-9172

[9] Feedback stabilization of unstable propagating waves [J].

Mihaliuk, E ;

Sakurai, T ;

Chirila, F ;

Showalter, K .

PHYSICAL REVIEW E, 2002, 65 (06)

[10] Resonant pattern formation in a chemical system [J].

Petrov, V ;

Ouyang, Q ;

Swinney, HL .

NATURE, 1997, 388 (6643) :655-657

← 1 2 →