Domain h Type Collective Dimerization of Graphite and Possible sp^2 rightarrow sp^3 Transition Induced by Inter h Layer Charge Transfer Excitations in the Visible Region

• Authors: L. Radosinski , K. Ostasiewicz , T. Luty , A. Radosz , K. Nasu
• Languages of publication: EN

Abstracts

EN

We theoretically study possible domain-type collective dimerizations of graphite induced by inter-layer charge transfer excitations in the visible region. Using the semiempirical Brenner theory, we have calculated the adiabatic energy along the path that starts from original two distant graphite layers, but finally reaches the dimerized domain which consists of about 100 carbons with inter-layer σ-bonds. The energy barrier between this new domain and the starting graphite is shown to be of the order of 1 eV, being easily overcome by applying a few visible photons. We have also shown the optimal path of transformation via step by step increase of the domain size.

Keywords

EN

81.30.Hd; 61.66.-f

Discipline

• 81.30.Hd: Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder
• 61.66.-f: Structure of specific crystalline solids(for surface structure, see 68.35.B-)

• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 118
• Issue: 3
• Pages: 500-506

Dates

published

2010-09

Contributors

author

L. Radosinski

• Institute of Theoretical and Physical Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

K. Ostasiewicz

• Institute of Theoretical and Physical Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

T. Luty

• Institute of Theoretical and Physical Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

A. Radosz

• Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

author

K. Nasu

• Solid State Theory Division, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, 305-0801, Japan

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Identifiers

DOI

10.12693/APhysPolA.118.500