We investigate the driving mechanism leading to charge-density-wave transition in 1T-TiSe2 single crystals. Our results show that both exciton instability and phonons cooperate to develop the charge ordered phase below 202 K.
Charge-density-wave in 1T-TiSe2: exciton-phonon separation by femtosecond valence band dynamics
E Carpene
2019
Abstract
We investigate the driving mechanism leading to charge-density-wave transition in 1T-TiSe2 single crystals. Our results show that both exciton instability and phonons cooperate to develop the charge ordered phase below 202 K.File in questo prodotto:
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