公开(公告)号：EP4310227A1

公开(公告)日：2024-01-24

申请号：EP22186468.9

申请日：2022-07-22

申请人： Universidade de Aveiro

发明人： MENDES DA COSTA, Florinda ,  FREITAS FERREIRA, Nuno Miguel ,  BREDA LOPES, Diogo João ,  KAVALEUSKI, Andrei

IPC分类号： C30B13/24 ,  C30B29/22

摘要： The present invention concerns methods and system for growing Ti 1-x M x O 2-y fibres, wherein M is a transition metal from group 5 of the Periodic Table, with 0.1 1-x M x O 2-y fibres having improved thermoelectric properties.
The LFZ technique allows the application of various reducing atmospheres in a range of relative pressures such as from 0.1 to 1.5 × 10 5 Pa. The system includes a growth chamber, an atmosphere control subsystem, a continuous laser beam, and an optical apparatus to focus the laser beam.
The present invention is useful for producing said Ti 1-x M x O 2-y -based fibres with high thermoelectric properties, due to the combination of a reducing atmosphere with the growth conditions, which is of interest mainly in the field of thermoelectric applications.