Ultrafast decoupling of polarization and strain in ferroelectric BaTiO3 [Dataset]

Source data of figures in the main text - Figure 1: Photoinduced structural dynamics and time evolution of strain. - Figure 2: Photoinduced ferroelectric polarization and electron dynamics. Source data of figures in the supplementary information - Figure S1. Diffraction intensity drop. - Figure S2....

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Detalles Bibliográficos
Autores: Hoang, Le Phuong, Pesquera, David, Hinsley, Gerard N., Carley, Robert, Mercadier, Laurent, Teichmann, Martin, Unterleutner, Elena Martina, Knez, Daniel, Dienstleder, Martina, Ganguly, Saptam, Citra Asmara, Teguh, Merzoni, Giacomo, Parchenko, Sergii, Schlappa, Justine, Yin, Zhong, Caicedo, José Manuel, Santiso, José, Spasojević, Irena, Carinan, Cammille, Lee, Tien-Lin, Rossnagel, Kai, Zegenhagen, Jörg, Catalán, Gustau, Vartanyants, Ivan A., Scherz, Andreas, Mercurio, Giuseppe
Tipo de recurso: conjunto de datos
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/404529
Acceso en línea:http://hdl.handle.net/10261/404529
Access Level:acceso abierto
Palabra clave:Time-resolved X-ray diffraction
Time-resolved second harmonic generation
Time-resolved reflectivity
Ferroelectrics
BaTiO3
Ferroelectric polarization
Strain
Descripción
Sumario:Source data of figures in the main text - Figure 1: Photoinduced structural dynamics and time evolution of strain. - Figure 2: Photoinduced ferroelectric polarization and electron dynamics. Source data of figures in the supplementary information - Figure S1. Diffraction intensity drop. - Figure S2. Contribution of Debye-Waller factor. - Figure S3. Electron and lattice temperature as a function of delay t. - Figure S4. η(t) with pump fluence Fin = 1.4mJcm−2. - Figure S5. Lattice temperature as a function of delay and depth. - Figure S6. Deformation potential and thermoelastic contributions to the average change of strain. - Figure S7. Temporal and spatial dependence of lattice temperature and strain, and diffraction curves at fixed delays, with Fin = 2.7 mJcm−2. - Figure S8. Temporal and spatial dependance of lattice temperature and strain, and diffraction curves at fixed delays, with Fin = 1.4 mJcm−2. - Figure S9. Delay dependence of the tensor elements χ(2)xxz , χ(2)zxx , and χ(2)zzz . - Figure S10. SHG and R maximum relative change as a function of pump fluence. - Figure S11. SHG and R time traces at different fluences. - Figure S12. Photoexcited electron density as a function of delay t. - Figure S13. Transmittance profile of 266 nm beam in BTO/SRO/GSO. - Figure S14. θ-2θ scan. - Figure S15. c parameters of BTO, SRO and GSO as a function of sample temperature. - Figure S16. Reciprocal space map. - Figure S18. Piezoresponse force microscopy. - Figure S19. SHG plots at different azimuthal angles. - Figure S20. Comparison of I_XRD(Eν) at negative delays and laser off. - Figure S21. Determination of t0 in tr-XRD experiments. - Figure S22. Beam arrival monitor. - Figure S23. BTO, SRO and GSO (001) diffraction peaks. - Figure S24. Comparison of simulated and experimental I_XRD(Eν) at negative delay. - Figure S25. SHG intensity as a function of probe pulse energy.

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