DOI: 10.1063/1.108290. On the origin of visible photoluminescence in nanometer-size Ge crystallites

On the origin of visible photoluminescence in nanometer-size Ge crystallites

10.1063/1.108290

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We have studied the origin of visible photoluminescence of Ge nanocrystals in SiO2 glassy matrix. Spectroscopic analyses of Ge nanocrystals indicate that the room-temperature photoluminescence comes from Ge nanocrystals of diameter of 4 nm or less. High-resolution electron microscopic studies imply that the structure of Ge nanocrystals of diameter ≤4 nm differs from the diamond structure. These data suggest that new nanostructure crystalline Ge having a character of direct optical transition exhibits the visible photoluminescence.

Bibliography

Kanemitsu, Y., Uto, H., Masumoto, Y., & Maeda, Y. (1992). On the origin of visible photoluminescence in nanometer-size Ge crystallites. Applied Physics Letters, 61(18), 2187â2189.

Authors 4

Yoshihiko Kanemitsu (first)
Hiroshi Uto (additional)
Yasuaki Masumoto (additional)
Yoshihito Maeda (additional)

References 16 Referenced 242

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10.1007/BF00331535 / Appl. Phys. A (1991)
{'key': '2024020304405697500_r2', 'first-page': '1288', 'volume': '38', 'year': '1988', 'journal-title': 'Phys. Rev. B'} / Phys. Rev. B (1988)
{'key': '2024020304405697500_r2a', 'first-page': '9772', 'volume': '38', 'year': '1988', 'journal-title': 'Phys. Rev. B'} / Phys. Rev. B (1988)
10.1103/PhysRevB.38.5726 / Phys. Rev. B (1988)
10.1038/353335a0 / Nature (1991)
10.1063/1.105773 / Appl. Phys. Lett. (1991)
{'key': '2024020304405697500_r6'}
{'key': '2024020304405697500_r6a'}
10.1143/JJAP.29.2481 / Jpn. J. Appl. Phys. (1990)
10.1126/science.189.4207.955 / Science (1975)
{'key': '2024020304405697500_r9'}
{'key': '2024020304405697500_r10', 'first-page': '1409', 'volume': '83', 'year': '1985', 'journal-title': 'J. Chem. Phys.'} / J. Chem. Phys. (1985)
10.1063/1.453325 / J. Chem. Phys. (1987)
10.1016/0022-0248(79)90157-X / J. Cryst. Growth (1979)
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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:49 a.m.)
Deposited	1 year, 7 months ago (Feb. 2, 2024, 11:41 p.m.)
Indexed	2 months ago (July 4, 2025, 9:03 a.m.)
Issued	32 years, 10 months ago (Nov. 2, 1992)
Published	32 years, 10 months ago (Nov. 2, 1992)
Published Print	32 years, 10 months ago (Nov. 2, 1992)

Funders 0

None

BibTeX

@article{Kanemitsu_1992, title={On the origin of visible photoluminescence in nanometer-size Ge crystallites}, volume={61}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.108290}, DOI={10.1063/1.108290}, number={18}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Kanemitsu, Yoshihiko and Uto, Hiroshi and Masumoto, Yasuaki and Maeda, Yoshihito}, year={1992}, month=nov, pages={2187–2189} }

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