Affiliation: | a Matter Structure and Spectroscopy, IFAC (ex IROE)-CNR, Via Panciatichi 64, Florence 50127, Italy b Institute of Physics AS CR, Cukrovarnicka 10, Prague 6 16253, Czech Republic c INFM and Dipartimento di Scienza dei Materiali dell’ Università di Milano “Bicocca”, Via Cozzi 53, Milano 20 125, Italy d KEK-High Energy Physics Organisation, Tsukuba 305-0801, Japan e Furukawa Co. Ltd., Materials Research Laboratory, Tsukuba 305-0856, Japan |