Identification of structural motifs as tunneling two-level systems in amorphous alumina at low temperatures
نویسندگان
چکیده
Alejandro Pérez Paz,1 Irina V. Lebedeva,1 Ilya V. Tokatly,1,2 and Angel Rubio1,* 1Nano-Bio Spectroscopy Group and ETSF Scientific Development Centre, Departamento de Fı́sica de Materiales, Centro de Fı́sica de Materiales CSIC-UPV/EHU-MPC and DIPC, Universidad del Paı́s Vasco UPV/EHU, E-20018 San Sebastián, Spain 2IKERBASQUE, Basque Foundation for Science, E-48011 Bilbao, Spain (Received 6 June 2014; revised manuscript received 14 November 2014; published 4 December 2014)
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