Details

Autor(en) / Beteiligte

• Mattei, G.
• Valentini, V.
• Yakovlev, V. A.
• Mani, A. A.
• Sartenaer, Y.
• Thiry, P. A.
• Peremans, A.
• Caudano, Y.
• Dreesen, L.
• Humbert, C.
• Busson, B.
• Vidal, F.
• Tadjeddine, A.

Titel

Sum-frequency generation from surface species in porous silicon

Ist Teil von

• Physica status solidi. A, Applications and materials science, 2005-06, Vol.202 (8), p.1487-1491

Ort / Verlag

Berlin: WILEY-VCH Verlag

Erscheinungsjahr

2005

Quelle

Wiley-Blackwell Journals

Beschreibungen/Notizen

• For the first time, the sum‐frequency generation (SFG) spectra of surface species have been measured in porous silicon (PS) layers. The range of the vibrations 2000–2300 cm–1 for the native species Si–Hx has been explored. Furthermore for the studied mesoporous materials, it has been found that, as opposed to the infrared absorption, the SFG signal increases with porosity. Finally, the angular dependence and the enhancement of the SFG signal were measured in a one‐dimensional PS photonic crystal structure with a defect producing an energy level in the photonic band gap. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)