translate English to French: Ishiang's major research areas include material research, semiconductor devices, superconductors, and MEMS devices. His material research activities include preparation of tellurium and selenium-tellurium crystals (Czochralski growth) and characterization of optoelectronic properties of the grown crystals.
Ses recherches principales sont les semi-conducteurs, les supraconducteurs et les matériels de MEMS.