Results and Dissemination

 

Project code: PN-II-ID-PCE-2011-3-1007

Contract no.: 83/01.01.2012

Contract duration: 5 years

PN II Program Name: EXPLORATORY RESEARCH PROJECTS (PCE)

Project Title: New classes of soft materials and metamaterials for Applications in Optics and Photonics

Project manager: Valentin BARNA

Coordinator: University of Bucharest (Address: Bd. M. Kogalniceanu, nr. 36-46, Sector 5, Bucharest)

Funding Agency: Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii (UEFISCDI) - Ministerului Educatiei Nationale (MEN) Romania)

Research Results --- ISI Articles

1. T O Cheche, V Barna, I Stamatin ;   Chemical Physics,  400, 207   (2012).

   (Huang–Rhys factors as function of the cylinder radius of GaAs/AlAs Quantum Dot with height 2d = 2.6 nm.)

2. C Berlic, M Moisescu, B Manolescu,V Barna ; Digest  Journal Of Nanomaterials And Biostructures,   Volume: 7,   Issue: 4,   Pages: 1701-1707,   (2012).

(Monte Carlo simulation study for a negative dielectric anisotropy material presenting a defect nanoparticle in applied electric field conditions)

3. V Barna et al. ; Digest Journal Of Nanomaterials And Biostructures,  Volume: 7,   Issue: 4,   Pages: 1481-1490,   (2012).

(Fabrication and characterizataion of polymer nanostructures and thin films)

4.C Berlic,M Moisescu,V Barna ; Digest Journal Of Nanomaterials And Biostructures, Volume: 7, Issue: 4, Pages: 1401-1412 (2012).

(Electric field molecular redistribution in the vecinity of an immersed spherocylindrical nanoparticle)

5. V. Barna et al. ; Optics Express, Volume: 20, Issue: 21, Pages: 23138-23143 (2012).

(First report of fabrication and characterization of periodic and aperiodic liquid crystal-polymer composite structures realized via spatial light modulator direct holography)

6. T.O. Cheche, V. Barna, Y-C. Chang ; Superlattices and Microstructures, 60, 475 (2013).

Spherical core–shell quantum dots heterostructures with wide band gaps

(Spherical core–shell quantum dots heterostructures with wide band gaps)

7. T.O. Cheche, V. Barna, I. Stamatin ; Journal of Optoelectronics and Advanced Materials, 15, 7-8, 615-620 (2013).

 

Schematic band lineups for CdTe/ZnSe core-shell QD in presence of strain

(Schematic band lineups for CdTe/ZnSe core-shell QD in presence of strain.)

8. C. Berlic, V. Barna, B. Manolescu, D. Dena ;   Digest Journal Of Nanomaterials And Biostructures, Volume: 8,   Issue: 4,   Pages: 1845-1852   (2013).

 

Mechanism of nucleation and growth in the JMA approach

(Mechanism of nucleation and growth in the JMA approach)

9. C. Nastase, A. Dumitru, F. Nastase, V. Barna; Digest Journal Of Nanomaterials And Biostructures, Volume: 8,   Issue: 4,   Pages: 1811-1818   (2013).

 

FTIR spectra for counting the number of phenyls in the polymeric chain pX, pX-B and pX-Q

(FTIR spectra for counting the number of phenyls in the polymeric chain pX, pX-B and pX-Q)

10. V. Popa-Nita; Journal of Chemical Physics, 140, 164905 (2014).

 

The critical value of the coupling parameter γ c as a function of temperature for two values of the random field strength. Continuous line corresponds to the subcritical regime of LC, while the dashed line corresponds to supercritical one

(The critical value of the coupling parameter γ c as a function of temperature for two values of the random field strength. Continuous line corresponds to the subcritical regime of LC, while the dashed line corresponds to supercritical one.)

11. C. Berlic, B. Manolescu, D. Dena, V. Barna; Digest Journal Of Nanomaterials And Biostructures, Volume: 9,   Issue: 1,   Pages: 197-204   (2014).

Representation of the nucleation equation for a cubic box with L=5 and concentration of nuclei g=0.8 for several growth velocities, v.)

(Representation of the nucleation equation for a cubic box with L=5 and concentration of nuclei g=0.8 for several growth velocities, v.)

12. C. Berlic, B. Manolescu, B. Mahler, D. Staicu, V. Barna; Digest Journal Of Nanomaterials And Biostructures, Volume: 9,   Issue: 3,   Pages: 919-928   (2014).

 

Instantaneous nucleation in a frustrated system. Nucleation in a thin rod-like cavity - similar to a 1D case . Nucleation in a thin film - similar to a 2D case

(Instantaneous nucleation in a frustrated system. Nucleation in a thin rod-like cavity - similar to a 1D case . Nucleation in a thin film - similar to a 2D case.)

13. B. Butoi, E.S. Barna et. al ; Journal of Optoelectronics and Advanced Materials, 16, 9-10, 1212-1217 (2014).

 

Constructed plasma reactor showing different possible angle inclinations for the sample substrate inside the deposition chamber. Schematic representation of the DC plasma reactor including the components

 

(Constructed plasma reactor showing different possible angle inclinations for the sample substrate inside the deposition chamber. Schematic representation of the DC plasma reactor including the components.)

14. V. Popa-Nita, The Journal of Chemical Physics, 143, 094901 (2015).

 

The critical value of the coupling parameter γc as a function of temperature. Continuous line corresponds to Θ= 0, while dashed line represents the curve for Θ= 3000 K.

(The critical value of the coupling parameter γc as a function of temperature. Continuous line corresponds to Θ= 0, while dashed line represents the curve for Θ= 3000 K.)

15. V. Barna, et. al, Optics Express, 23, 9, 11936 (2015).

 Far field spatial emission laser

(Far field spatial emission laser)

16. C. Berlic, V. Barna, B. Manolescu, Digest Journal Of Nanomaterials And Biostructures , 10, 4, 1365-1371, Dec 2015.

 

Dependence of the crystallization rate as function of g for a cubic box with L=5 and growth velocity v=0.05 in a 7-dimensional space. The red line is the linear fit of the data.

(Dependence of the crystallization rate as function of g for a cubic box with L=5 and growth velocity v=0.05 in a 7-dimensional space. The red line is the linear fit of the data.)

 

17. V. Marascu, S. Vizireanu, S.D. Stoica, V. Barna, A. Lazea-Stoyanova, G. Dinescu, Romanian Reports in Physics, 68, 3, 1108-1114,  2016.

fig 2

 

18. C. Berlic, V. Barna, Digest Journal Of Nanomaterials And Biostructures , 11, 1, 159-165, Mar  2016.

 

fig 3

+  2  other articles in preparation  (2016).

PATENTS

- 1 International Patent submitted and already in second phase evaluation process (2016).

BOOKS

1. "Recent Progress in Carbon Nanotube Research“

Chapter “Mixtures Composed of Liquid Crystals and Nanoparticles"

V Popa-Nita, V Barna, R Repnik, S Kralj ; Ed. INTECH, ISBN 980-953-307-536-0 (2012).

 

2. “Fingerprints in the Optical and Transport Properties of Quantum Dots “ Chapter “Influence of Optical Phonons on Optical Transitions in Semiconductor Quantum Dots” T Cheche and E S Barna ; Ed. INTECH, ISBN 980-953-307-536-0 (2012).

 

 

Pagină actualizată la 15 Decembrie 2016.