Controlling graphene corrugation on lattice-mismatched substrates

被引：428
|
作者：
Preobrajenski, A. B. [1 ]
Ng, May Ling [1 ,2 ]
Vinogradov, A. S. [3 ]
Martensson, N. [1 ,2 ]
机构：
[1] Lund Univ, Max Lab, S-22100 Lund, Sweden
[2] Uppsala Univ, Dept Phys, S-75121 Uppsala, Sweden
[3] St Petersburg State Univ, VA Fock Inst Phys, St Petersburg 19504, Russia
来源：
PHYSICAL REVIEW B | 2008年 / 78卷 / 07期
基金：
瑞典研究理事会;
关键词：
D O I：
10.1103/PhysRevB.78.073401
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By means of synchrotron-radiation-based core-level spectroscopies we demonstrate that the degree of corrugation in graphene nanomesh on lattice-mismatched transition-metal substrates critically depends on the strength of chemical bonding at the interface. The degree of interfacial orbital hybridization between graphene and metal states is rising in the series Pt(111)-Ir(111)-Rh(111)-Ru(0001). This growing strength of hybridization is accompanied by a gradual change in graphene morphology from nearly flat to strongly corrugated. We provide a comparison of the pore size and period for the cases of graphene and h-BN nanomesh on Rh(111).
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页数：4
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