Atom positions in buckled silicene

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In summary, buckled silicene is a single layer of silicon atoms arranged in a honeycomb lattice, with the silicon atoms being buckled or raised above the plane. The atom positions in buckled silicene can be determined using techniques such as scanning tunneling microscopy and X-ray diffraction. These positions can be influenced by factors such as the substrate, temperature, and presence of defects. The buckled structure of silicene gives it unique electronic and structural properties, making it suitable for various applications. The atom positions in buckled silicene can also be manipulated through external electric fields or strain engineering techniques, potentially leading to new applications.
  • #1
anahita
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Hi
How can I define atomic positions of buckled silicene?
lattice vectors are
a_1=a/2(sqrt(3),-1,0)
a_2=a/2(sqrt(3),1,0)
 
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  • #2
a_3=(0,0,c)The atomic positions can be defined using the lattice vectors. For buckled silicene, the atomic positions are given by (0,0,0); (a/2,b/2,0); (a/2, -b/2, c/2); and (a/2, b/2, c/2). Here, b is the buckling parameter of the lattice and c is the lattice constant along the z-axis.
 

Related to Atom positions in buckled silicene

1. What is buckled silicene?

Buckled silicene is a single layer of silicon atoms arranged in a honeycomb lattice, similar to graphene. However, unlike graphene, the silicon atoms in silicene are buckled or raised above the plane, leading to a unique electronic and structural properties.

2. How are the atom positions determined in buckled silicene?

The atom positions in buckled silicene can be determined using various techniques such as scanning tunneling microscopy (STM) and X-ray diffraction. These techniques allow for the visualization and measurement of the positions of the atoms in the silicene lattice.

3. What factors influence the atom positions in buckled silicene?

The atom positions in buckled silicene are influenced by several factors, including the type of substrate it is grown on, the temperature at which it is synthesized, and the presence of defects or impurities in the lattice. These factors can cause variations in the buckling of the atoms and affect the overall structure of the material.

4. How does the buckled structure of silicene affect its properties?

The buckled structure of silicene leads to unique electronic and structural properties, making it a promising material for various applications. The buckling creates a bandgap in the electronic structure, making it a potential candidate for use in transistors and other electronic devices. It also exhibits strong mechanical properties, making it suitable for use in flexible electronics.

5. Can the atom positions in buckled silicene be manipulated?

Yes, the atom positions in buckled silicene can be manipulated by applying an external electric field or by using strain engineering techniques. These methods can induce changes in the buckling of the atoms, altering the material's properties and potentially leading to new applications.

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