Underdamped longitudinal soft modes in ionic crystallites—lattice and charge motions observed by ultrafast x-ray diffraction

Soft modes in crystals are lattice vibrations with frequencies that decrease and eventually vanish as the temperature approaches a critical point, e.g., a structural change due to a phase transition. In ionic para- or ferroelectric materials, the frequency decrease is connected with a diverging elec...

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Xehetasun bibliografikoak
Egile Nagusiak: Isabel Gonzalez-Vallejo, Azize Koç, Klaus Reimann, Michael Woerner, Thomas Elsaesser
Formatua: Artikulua
Hizkuntza:English
Argitaratua: AIP Publishing LLC and ACA 2022-03-01
Saila:Structural Dynamics
Sarrera elektronikoa:http://dx.doi.org/10.1063/4.0000143