1. Low Dimensional Materials Research Centre (LDMRC), Department of Physics, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
2. Silterra Malaysia Sdn. Bhd., Lot 8, Phase II Kulim Hi-Tech Park, Kulim 09090, Malaysia
3. MIMOS Berhad, Technology Park Malaysia, Kuala Lumpur 57000, Malaysia