Silicyne
Silicynes are allotropes of silicon.
1-dimensional silicyne is analogous to the carbon allotrope carbyne, being a long chain of silicons, instead of carbons.[1] It is amorphous silicon with sp hybridization of the valence electrons.[2] Silicyne is a single linear molecule composed of just silicon atoms. One of the manners they are bonded to each other in a succession of double-bonded silicons, analogous to the situation of carbon found in cumulene. The other manner they may be bonded to each other is a succession of alternating single and triple-bonded silicons, analogous to the situation of carbon found in polyyne.[3]
2-dimensional silicyne is analogous to the carbon allotrope graphyne, and similar to the silicon allotrope silicene, being a sheet of silicon atoms. In this form, the silicyne chains that link the silicene hexagons use disilyne bonding alternating with disilane bonding, analogous to polyyne.[4]
References
- ^ Phillip F. Schewe & Ben Stein (3 September 1998). "Silicyne, A New Form Of Silicon". Inside Science Research - Physics News Update. No. 388. American Institute of Physics. p. Story #3. Archived from the original on 6 August 2007. Retrieved 2013-10-12.
- ^ A. F. Khokhlov; A. I. Mashin; D. A. Khokhlov (May 1998). "New allotropic form of silicon". Journal of Experimental and Theoretical Physics Letters. 67 (9). Springer (published 1998-05-01): 675–679. doi:10.1134/1.567700. ; ISSN 0021-3640 ; ISSN 1090-6487 ;
- ^ A.F. Khokhlov; A.I. Mashin (September 2002). "On Silicon Allotropy" (PDF). Journal of Opto-Electronics and Advanced Materials. 4 (3): 523–533. Retrieved 2013-10-12.
- ^ Pei Yang (裴 洋) and Wu Hai-Bin (武海斌) (2013). "Optimized geometry and electronic structure of graphyne-like silicyne nanoribbons". Chinese Physics B. 22 (5): 057303. doi:10.1088/1674-1056/22/5/057303.
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