1. Universidade de Lisboa Instituto Superior Tecnico; Center of Physics and Engineering of Advanced Materials, Dept. of Chemical Engineering; 1049-001, Lisbon Portugal
2. Universidade de Lisboa Instituto Superior Tecnico; Center of Physics and Engineering of Advanced Materials, Dept. of Physics; 1049-001, Lisbon Portugal
3. Universidade de Lisboa Instituto Superior Tecnico; Associated Laboratory for Energy, Transports and Aeronautics, Institute of Mechanical Engineering and Dept. of Mechanical Engineering; 1049-001, Lisbon Portugal