Toward Wafer Scale Fabrication of Graphene Based Spin Valve Devices
- Avsar, Ahmet; Yang, Tsung-Yeh; Bae, Sukang; Balakrishnan, Jayakumar; Volmer, Frank; Jaiswal, Manu; Yi, Zheng; Ali, Syed Rizwan; Guentherodt, Gernot; Hong, Byung Hee; Beschoten, Bernd; Oezyilmaz, Barbaros
- Issue Date
- Nano Letters, Vol.11 No.6, pp.2363-2368
- We demonstrate injection, transport, and detection of spins in spin valve arrays patterned in both copper based chemical vapor deposition (Cu-CVD) synthesized wafer scale single layer and bilayer graphene. We observe spin relaxation times comparable to those reported for exfoliated graphene samples demonstrating that chemical vapor deposition specific structural differences such as nanoripples do not limit spin transport in the present samples. Our observations make Cu-CVD graphene a promising material of choice for large scale spintronic applications.
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