Physical Review B - Condensed Matter and Materials Physics, 85-22, 2012 doi:10.1103/PhysRevB.85.220503
Vilmercati Paolo, Fedorov Alexei, Bondino Federica, Offi Francesco, Panaccione Giancarlo, Lacovig Paolo, Simonelli Laura, McGuire Michael A., Sefat Athena S. M., Mandrus David, Sales Brian C., Egami Takeshi, Ku Wei, Mannella Norman