Avram D - Search Results

1

Heavy doping of ceria by wet impregnation: a viable alternative to bulk doping approaches.

Florea M , Avram D , Maraloiu VA , Cojocaru B , Tiseanu C . Florea M , et al. Among authors: avram d. Nanoscale. 2018 Sep 27;10(37):18043-18054. doi: 10.1039/c8nr03695k. Nanoscale. 2018. PMID: 30229790

2

Local structure and nanoscale homogeneity of CeO2-ZrO2: differences and similarities to parent oxides revealed by luminescence with temporal and spectral resolution.

Tiseanu C, Parvulescu V, Avram D, Cojocaru B, Boutonnet M, Sanchez-Dominguez M. Tiseanu C, et al. Among authors: avram d. Phys Chem Chem Phys. 2014 Jan 14;16(2):703-10. doi: 10.1039/c3cp52893f. Phys Chem Chem Phys. 2014. PMID: 24263248

3

Structural, down- and phase selective up-conversion emission properties of mixed valent Pr doped into oxides with tetravalent cations.

Tiseanu C, Parvulescu V, Avram D, Cojocaru B, Apostol N, Vela-Gonzalez AV, Sanchez-Dominguez M. Tiseanu C, et al. Among authors: avram d. Phys Chem Chem Phys. 2014 Mar 28;16(12):5793-802. doi: 10.1039/c3cp54899f. Epub 2014 Feb 18. Phys Chem Chem Phys. 2014. PMID: 24535212

4

Exceptional capability of nanosized CeO(2) materials to "dissolve" lanthanide oxides established by time-gated excitation and emission spectroscopy.

Tiseanu C, Parvulescu V, Avram D, Cojocaru B, Sanchez-Dominguez M. Tiseanu C, et al. Among authors: avram d. Dalton Trans. 2014 May 28;43(20):7622-30. doi: 10.1039/c3dt53254b. Dalton Trans. 2014. PMID: 24699698

5

Pure and almost pure NIR emission of Tm and Tm,Yb-CeO2 under UV, X-ray and NIR up-conversion excitation: key roles of level selective antenna sensitization and charge-compensation.

Avram D, Cojocaru B, Urda A, Tiseanu I, Florea M, Tiseanu C. Avram D, et al. Phys Chem Chem Phys. 2015 Dec 14;17(46):30988-92. doi: 10.1039/c5cp03458b. Phys Chem Chem Phys. 2015. PMID: 26411533

6

Defect induced tunable near infrared emission of Er-CeO2 by heterovalent co-dopants.

Florea M, Avram D, Cojocaru B, Tiseanu I, Parvulescu V, Tiseanu C. Florea M, et al. Among authors: avram d. Phys Chem Chem Phys. 2016 Jul 21;18(27):18268-77. doi: 10.1039/c6cp02754g. Epub 2016 Jun 22. Phys Chem Chem Phys. 2016. PMID: 27333335

7

Nanoscale insights into doping behavior, particle size and surface effects in trivalent metal doped SnO₂.

Cojocaru B, Avram D, Kessler V, Parvulescu V, Seisenbaeva G, Tiseanu C. Cojocaru B, et al. Among authors: avram d. Sci Rep. 2017 Aug 29;7(1):9598. doi: 10.1038/s41598-017-09026-2. Sci Rep. 2017. PMID: 28851917 Free PMC article.

8

Thermometry properties of Er, Yb-Gd₂O₂S microparticles: dependence on the excitation mode (cw versus pulsed excitation) and excitation wavelength (980 nm versus 1500 nm).

Avram D, Tiseanu C. Avram D, et al. Methods Appl Fluoresc. 2018 Jan 25;6(2):025004. doi: 10.1088/2050-6120/aa9ef9. Methods Appl Fluoresc. 2018. PMID: 29199643

9

Full Tetragonal Phase Stabilization in ZrO₂ Nanoparticles Using Wet Impregnation: Interplay of Host Structure, Dopant Concentration and Sensitivity of Characterization Technique.

Colbea C, Avram D, Cojocaru B, Negrea R, Ghica C, Kessler VG, Seisenbaeva GA, Parvulescu V, Tiseanu C. Colbea C, et al. Among authors: avram d. Nanomaterials (Basel). 2018 Nov 28;8(12):988. doi: 10.3390/nano8120988. Nanomaterials (Basel). 2018. PMID: 30487442 Free PMC article.

10

Near infrared emission properties of Er doped cubic sesquioxides in the second/third biological windows.

Avram D, Tiseanu I, Vasile BS, Florea M, Tiseanu C. Avram D, et al. Sci Rep. 2018 Dec 21;8(1):18033. doi: 10.1038/s41598-018-36639-y. Sci Rep. 2018. PMID: 30575789 Free PMC article.

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