excitonics

[ ek-si-ton-iks, -sahy- ]
/ ˌɛk sɪˈtɒn ɪks, -saɪ- /

noun (used with a singular verb) Physics.

the study of excitons and their use in semiconductors and insulators.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019