Supplementary Information Effect of crystallinity and thickness on thermal transport in layered PtSe2

15 pages. -- Supplementary Figure 1. Reflection high energy electron diffraction (RHEED) measurements and the final structure of the PtSe2 wedge sample. -- Supplementary Figure 2. X-ray diffraction measurements in PtSe2. -- Supplementary Figure 3. AFM measurements. -- Supplementary Note 1: FDTR sens...

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Detalles Bibliográficos
Autores: Sachat, Alexandros el, Xiao, Peng, Donadio, Davide, Bonell, Fréderic, Sledzinska, Marianna, Marty, Alain, Vergnaud, Céline, Boukari, Hervé, Jamet, Matthieu, Arregui, Guillermo, Chen, Zekun, Alzina, Francesc, Sotomayor Torres, C. M., Chávez-Angel, Emigdio
Tipo de recurso: conjunto de datos
Fecha de publicación:2022
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/329981
Acceso en línea:http://hdl.handle.net/10261/329981
Access Level:acceso abierto
Palabra clave:2D materials
PtSe2
Thermal conductivity
Phonon lifetimes
Frequency domain thermoreflectance
Descripción
Sumario:15 pages. -- Supplementary Figure 1. Reflection high energy electron diffraction (RHEED) measurements and the final structure of the PtSe2 wedge sample. -- Supplementary Figure 2. X-ray diffraction measurements in PtSe2. -- Supplementary Figure 3. AFM measurements. -- Supplementary Note 1: FDTR sensitivity analysis. -- Supplementary Figure 4. Phase sensitivity analysis for thin PtSe2 films. -- Supplementary Figure 5. Phase sensitivity analysis for bulk PtSe2. -- Supplementary Note 2: Spot size measurements. -- Supplementary Figure 6. Spot size measurements. -- Supplementary Note 3: Three omega measurements. -- Supplementary Figure 7. Three omega measurements. -- Supplementary Note 4: Raman thermometry measurements. -- Supplementary Table 1. Measured cross-plane thermal conductivity obtained by Raman thermometry and FDTR. -- Supplementary Figure 8. Raman thermometry measurements. -- Supplementary Note 5: Fourier transform from ASOPS data. -- Supplementary Figure 9. Fast Fourier transform of the layered breathing modes. -- Supplementary Figure 10. DFT calculations. -- Supplementary Figure 11. FDTR data from bulk PtSe2 crystal and the best model fit in a low frequency range (20 kHz - 1 MHz) for a ratio kr/kz = 9. -- Supplementary Figure 12. (a) XRD radial scans in the polycrystalline wedge sample showing the polycrystalline nature of the PtSe2 film. -- Supplementary Figure 13. Interface thermal resistance measurements. -- Supplementary Figure 14. Raman line scan between 1 and 3 ML PtSe2 in the crystalline wedge sample.