Sol-gel method for synthesizing visible photoluminescent nanosized Ge-crystal-doped silica glasses

Nogami, Masayuki; Abe, Yushihiro
November 1994
Applied Physics Letters;11/14/1994, Vol. 65 Issue 20, p2545
Academic Journal
Describes the synthesis of germanium (Ge)-nanocrystal-embedded silicon dioxide glasses by a sol-gel method. Observation of visible photoluminescence in glass doped with Ge nanocrystals; Heat treatment of germanium chlorine[sub 4] in the presence of hydrogen; Precipitation of nanosize Ge crystal; Use of transmission electron microscopic technique.


Related Articles

  • Excitation of Er[sup 3+] ions in silicon dioxide films thermally grown on silicon. Kozanecki, A.; Stepikhova, M.; Lanzerstorfer, S.; Jantsch, W.; Palmetshofer, L.; Sealy, B. J.; Jeynes, C. // Applied Physics Letters;11/16/1998, Vol. 73 Issue 20 

    We investigate photoluminescence (PL) and photoluminescence excitation spectroscopy of Er[sup 3+] ions implanted into SiO[sub 2] films thermally grown on silicon wafers. We show that at 10 K the Er[sup 3+] PL excited with the 514.5 nm line of an Ar laser is limited by the total number of Er...

  • Low temperture dependence of photoluminescence band near 2.0 eV in silica glass. Sakurai, Yuryo // Journal of Applied Physics;1/15/2000, Vol. 87 Issue 2, p755 

    Presents information on a study which described the characteristics of a 1.9 eV photoluminescence band in silica glass. Experimental details; Results and discussion; Conclusions.

  • Strong visible photoluminescence of TEEDPS-modified silica MCM-41 materials. Chen, H.G.; Shi, J.L.; Chen, H.R.; Li, Y.S.; Hua, Z.L.; Yan, D.S. // Applied Physics B: Lasers & Optics;Aug2003, Vol. 77 Issue 1, p89 

    Examines the photoluminescence of mesoporous silica MCM-41 modified with triethoxy-3-ethylenediaminepropylsilane. First observation of intrinsic photoluminescence in amorphous silica; Use of ultraviolet-VIs fluorescence and absorption spectroscopy methods; Interaction between absorption and the...

  • Nature of photoluminescence involving transitions from the ground to 4[sub f][sup n-1] 5d[sup 1] states in rare-earth-doped glasses. Yokokawa, T.; Inokuma, H.; Ohki, Y.; Nishikawa, H.; Hama, Y. // Journal of Applied Physics;4/15/1995, Vol. 77 Issue 8, p4013 

    Provides information on a study that investigated optical absorption and photoluminescence for Er³+; and Pr³+; ion-doped silica and ZBLAN glasses using various photon sources. Experimental procedures; Results and discussion on the study; Conclusion.

  • Photoluminescence from mesoporous silica: Similarity of properties to porous silicon. Glinka, Yu. D.; Lin, S. H.; Lin, S.H.; Hwang, L. P.; Hwang, L.P.; Chen, Y. T.; Chen, Y.T. // Applied Physics Letters;12/11/2000, Vol. 77 Issue 24 

    Photoluminescence (PL) from mesoporous silica (MS) with the pore size of ∼6 nm and the thickness of walls among pores of ∼1 nm has been studied at room temperature. The heat pretreatment of MS in air at different temperatures and the variation of the excitation wavelengths allow one to...

  • Resonant optical microcavity based on crystalline silicon active layer. Sotta, D.; Hadji, E.; Magnea, N.; Delamadeleine, E.; Besson, P.; Renard, P.; Moriceau, H. // Journal of Applied Physics;8/15/2002, Vol. 92 Issue 4, p2207 

    Crystalline silicon microcavities resonant at 1.1 µm were fabricated by using submicron thick Si membranes from a silicon on insulator substrate. These membranes were composed of a single crystalline Si film layered above and below two thin silicon dioxide layers. The low temperature...

  • Green photoluminescence band in gamma-irradiated oxygen-surplus silica glass. Sakurai, Yuryo; Nagasawa, Kaya // Journal of Applied Physics;8/1/1999, Vol. 86 Issue 3, p1377 

    Presents information on a study on the characteristics of a green photoluminescence band in oxygen-surplus silica glass excited by visible and ultraviolet light. Experimental procedure; Results and discussion; Conclusion.

  • Si rings, Si clusters, and Si nanocrystals—different states of ultrathin SiO[sub x] layers. Yi, L. X.; Heitmann, J.; Scholz, R.; Zacharias, M. // Applied Physics Letters;11/25/2002, Vol. 81 Issue 22, p4248 

    Amorphous SiO/SiO[SUB2] superlattices were prepared by reactive evaporation of SiO powder in an oxygen atmosphere. Infrared absorption and photoluminescence spectra were measured as a function of annealing temperature. Three photoluminescence emission bands were observed. A band centered at 560...

  • The origin of photoluminescence from thin films of silicon-rich silica. Kenyon, A. J.; Trwoga, P. F.; Pitt, C. W.; Rehm, G. // Journal of Applied Physics;6/15/1996, Vol. 79 Issue 12, p9291 

    Presents a study on the photoluminescence properties of silicon-rich silica. Introduction to silicon-based devices; Experimental details; Results and discussion.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics