11–16 Dec 2022
Australia/Adelaide timezone
Co-locating with the 7th International Workshop of Specialty Optical Fibres and Their Applications (WSOF), the Australian and New Zealand Conference on Optics and Photonics (ANZCOP), and the Conference on Optoelectronlc and Microelectronic Materials and Devices (COMMAD)

Superconducting Gallium-Hyperdoped Germanium from Pulsed-Laser Melting

15 Dec 2022, 17:30
1h 30m
Exhibition Halls F & G (Adelaide Convention Centre)

Exhibition Halls F & G

Adelaide Convention Centre

Poster COMMAD: Materials and device characterisations Poster session

Speaker

Shao Qi Lim (Centre of Quantum Computation and Communication Technology, School of Physics, University of Melbourne)

Description

Ga-hyperdoped germanium fabricated from ion implantation and flash lamp annealing has been shown to be superconducting at low temperatures of ~0.5 K. Here, we fabricate Ga-hyperdoped germanium from GeGa deposition and pulsed-laser melting and obtain a Tc of ~0.86 K.

Authors

Shao Qi Lim (Centre of Quantum Computation and Communication Technology, School of Physics, University of Melbourne) Manjith Bose (The University of Melbourne)

Co-authors

Angela Tanesha (School of Physics, The University of Melbourne) Pietro Argenton (Dipartimento di Fisica e Astronomia ‘Galileo Galilei’, Universia di Padova, 35131 Padova, Italy.) Daniel Creedon (The University of Melbourne) Brett Johnson (RMIT) Enrico Napolitani (Dipartimento di Fisica e Astronomia ‘Galileo Galilei’, Universia di Padova, 35131 Padova, Italy.) Jeffrey McCallum (Centre of Excellence for Quantum Computation and Communication Technology, School of Physics, University of Melbourne, Victoria 3010, Australia)

Presentation materials