Extremely high thermal conductivity of graphene: Prospects for thermal management applications in nanoelectronic circuits

Ghosh Suchismita; Calizo Irene G.; Teweldebrhan Desalegne B.; Pokatilov Evghenii; Nika Denis; Balandin Alexander A.; Bao Wenzhong; Miao Feng; Lau Chun Ning

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GHOSH, Suchismita, CALIZO, Irene G., TEWELDEBRHAN, Desalegne B., POKATILOV, Evghenii, NIKA, Denis, BALANDIN, Alexander A., BAO, Wenzhong, MIAO, Feng, LAU, Chun Ning. Extremely high thermal conductivity of graphene: Prospects for thermal management applications in nanoelectronic circuits. In: Applied Physics Letters, 2008, vol. 92, p. 0. ISSN 0003-6951. DOI: https://doi.org/10.1063/1.2907977

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Applied Physics Letters

Volumul 92 / 2008 / ISSN 0003-6951 /ISSNe 1077-3118

Extremely high thermal conductivity of graphene: Prospects for thermal management applications in nanoelectronic circuits

DOI:https://doi.org/10.1063/1.2907977

Pag. 0-0

Ghosh Suchismita¹, Calizo Irene G.¹, Teweldebrhan Desalegne B.¹, Pokatilov Evghenii¹², Nika Denis²¹, Balandin Alexander A.¹, Bao Wenzhong¹, Miao Feng¹, Lau Chun Ning¹

¹ University of California, Riverside,
² Moldova State University

Disponibil în IBN: 15 iunie 2023

Rezumat

The authors reported on investigation of the thermal conductivity of graphene suspended across trenches in SiSi O2 wafer. The measurements were performed using a noncontact technique based on micro-Raman spectroscopy. The amount of power dissipated in graphene and corresponding temperature rise were determined from the spectral position and integrated intensity of graphene's G mode. The extremely high thermal conductivity in the range of ∼3080-5150 Wm K and phonon mean free path of ∼775 nm near room temperature were extracted for a set of graphene flakes. The obtained results suggest graphene's applications as thermal management material in future nanoelectronic circuits.

Cuvinte-cheie
Electric losses, Networks (circuits), phonons, silicon wafers, Temperature control, thermal conductivity

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