Gant P.Ghasemi F.Maeso D.Munuera C.López-Elvira E.Frisenda R.De Lara D.P.Rubio-Bollinger G.Garcia-Hernandez M.Castellanos-Gomez A.2020-12-042020-12-042017http://hdl.handle.net/20.500.12614/1425application/pdfenAtribución-NoComercial-SinDerivadas 3.0 EspañaAtribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/Optical contrast and refractive index of natural van der Waals heterostructure nanosheets of franckeiteresearch article10.3762/bjnano.8.235open access