Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Carbon rehybridization at the graphene/SiC(0001) interface: Effect on
  stability and atomic-scale corrugation   We address the energetic stability of the graphene/SiC(0001) interface and
the associated binding mechanism by studying a series of low-strain
commensurate interface structures within a density functional scheme. Among the
structures with negligible strain, the 6\surd3\times6\surd3 R30{\deg} SiC
periodicity shows the lowest interface energy, providing a rationale for its
frequent experimental observation. The interface stability is driven by the
enhanced local reactivity of the substrate-bonded graphene atoms undergoing
sp2-to-sp3 rehybridization (pyramidalization). By this mechanism, relaxed
structures of higher stability exhibit more pronounced graphene corrugations at
the atomic scale.

11
The categories of this paper are: hep-lat
17
The categories of this paper are: q-fin
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
20
The categories of this paper are: acc-phys
12
The categories of this paper are: nucl-th
28
The categories of this paper are: alg-geom
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
18
The categories of this paper are: econ
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an