Tunable complete optical absorption in multilayer structures including Ge2Sb2Te5 without lithographic patterns

1. Mkhitaryan, V.K.
2. Ghosh, D.S.
3. Rudé, M.
4. Canet-Ferrer, J.
5. Maniyara, R.A.
6. Gopalan, K.K.
7. Pruneri, V.