Direct Evaluation of the Quantum Confinement Effect in Single Isolated Ge Nanocrystals

2015 ◽  
Vol 6 (17) ◽  
pp. 3396-3402 ◽  
Author(s):  
Oded Millo ◽  
Isacc Balberg ◽  
Doron Azulay ◽  
Tapas K. Purkait ◽  
Anindya K. Swarnakar ◽  
...  
Keyword(s):  
Quantum Confinement ◽  
Quantum Confinement Effect ◽  
Confinement Effect ◽  
Direct Evaluation ◽  
Ge Nanocrystals

scholarly journals Ионный синтез кристаллической фазы Ge в пленках SiO-=SUB=-x-=/SUB=-N-=SUB=-y-=/SUB=- при отжиге под высоким давлением

2018 ◽  
Vol 52 (2) ◽  
pp. 280
Author(s):  
И.Е. Тысченко ◽  
Г.К. Кривякин ◽  
В.А. Володин
Keyword(s):  
Raman Scattering ◽  
Raman Spectra ◽  
Quantum Confinement ◽  
Quantum Confinement Effect ◽  
Hydrostatic Compression ◽  
Confinement Effect ◽  
Optical Phonons ◽  
Photoluminescence Spectra ◽  
Ge Nanocrystals

AbstractThe nucleation of the crystalline Ge phase in SiO_ x N_ y films implanted with Ge^+ ions with the energy 55 keV to doses of 2.1 × 10^15–1.7 × 10^16 cm^–2 and then annealed at a temperature of T _a = 800–1300°C under pressures of 1 bar and 1–12 kbar is studied. From analysis of the Raman spectra, it is concluded that amorphous Ge precipitates increase in size upon hydrostatic compression at a temperature of 1000°C. Raman scattering at optical phonons localized in Ge nanocrystals is observed only after annealing of the samples with the highest content of implanted atoms at a temperature of 1300°C. In the photoluminescence spectra, a peak is observed at the wavelength ∼730 nm. The peak is considered to be the manifestation of the quantum-confinement effect in nanocrystals ∼3 nm in size.

Tunable Quantum Confinement Effect on Non-volatile Thin Film Polymer Memory Device

2008 ◽  
Author(s):  
Augustin J. Hong ◽  
Kang L. Wang ◽  
Wei Lek Kwan ◽  
Yang Yang ◽  
Dayanara Parra ◽  
...  
Keyword(s):  
Thin Film ◽  
Quantum Confinement ◽  
Quantum Confinement Effect ◽  
Memory Device ◽  
Confinement Effect ◽  
Film Polymer ◽  
Polymer Memory

Quantum confinement effect in nanocomposites

2001 ◽  
Vol 182 (3-4) ◽  
pp. 251-257 ◽  
Author(s):  
D. Chakravorty ◽  
S. Banerjee ◽  
T.K. Kundu
Keyword(s):  
Quantum Confinement ◽  
Quantum Confinement Effect ◽  
Confinement Effect

Size-dependent penetration of carbon dots inside the ferritin nanocages: evidence for the quantum confinement effect in carbon dots

2015 ◽  
Vol 17 (19) ◽  
pp. 12833-12840 ◽  
Author(s):  
Arpan Bhattacharya ◽  
Surajit Chatterjee ◽  
Roopali Prajapati ◽  
Tushar Kanti Mukherjee
Keyword(s):  
Carbon Dots ◽  
Quantum Confinement ◽  
Quantum Confinement Effect ◽  
Confinement Effect ◽  
Size Dependent ◽  
Pl Quenching

Size-dependent penetration of CDs through the ferritin channels has been successfully demonstrated by means of λex-dependent PL quenching of CDs by the Fe3+ ions of ferritin.

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