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|Title:||Cooling rate and energy dependence of pulsed laser fabricated graphene on nickel at reduced temperature||Authors:||Koh, A.T.T.
|Issue Date:||13-Sep-2010||Citation:||Koh, A.T.T., Foong, Y.M., Chua, D.H.C. (2010-09-13). Cooling rate and energy dependence of pulsed laser fabricated graphene on nickel at reduced temperature. Applied Physics Letters 97 (11) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3489993||Abstract:||Few-layer graphene was fabricated on nickel substrates using pulsed laser deposition at a relatively low temperature of 750 °C. The effects of cooling rate and laser energy on the ability to produce crystalline graphene layers were studied. It was observed that using a cooling rate of 1 and 50 °C/min produced few-layer graphene while the latter gave less defects. Laser energy was a less critical factor as long as the laser energy was below 100 mJ, however a higher laser energy was detrimental to the precipitation process. The mechanisms behind the observation of such phenomena are explained. © 2010 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/64836||ISSN:||00036951||DOI:||10.1063/1.3489993|
|Appears in Collections:||Staff Publications|
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