| Photonic properties of Er-doped crystalline silicon NQ Vinh, NN Ha, T Gregorkiewicz Proceedings of the IEEE 97 (7), 1269-1283, 2009 | 75 | 2009 |
| Magnetic properties of sol-gel synthesized C-doped ZnO nanoparticles ND Dung, CT Son, PV Loc, NH Cuong, PT Kien, PT Huy, NN Ha Journal of Alloys and Compounds 668, 87-90, 2016 | 41 | 2016 |
| Optical gain of the emission in MBE-grown Si:Er nanolayers NN Ha, K Dohnalová, T Gregorkiewicz, J Valenta Physical Review B 81 (19), 195206, 2010 | 30 | 2010 |
| N-type silicon nanowires prepared by silver metal-assisted chemical etching: Fabrication and optical properties LT Cong, NTN Lam, NT Giang, PT Kien, ND Dung, NN Ha Materials Science in Semiconductor Processing 90, 198-204, 2019 | 19 | 2019 |
| Photon cutting for excitation of Er ions in SiO sensitized by Si quantum dots NN Ha, S Cueff, K Dohnalová, MT Trinh, C Labbé, R Rizk, IN Yassievich, ... Physical Review B 84 (24), 241308, 2011 | 18 | 2011 |
| Hydrothermal synthesis and characteristic photoluminescence of Er-doped SnO2 nanoparticles P Van Tuan, ND Dung, NN Ha, TN Khiem Physica B: Condensed Matter 501, 34-37, 2016 | 16 | 2016 |
| Single phase Si1− xGex nanocrystals and the shifting of the E1 direct energy transition NN Ha, NT Giang, TTT Thuy, NN Trung, ND Dung, S Saeed, ... Nanotechnology 26 (37), 375701, 2015 | 16 | 2015 |
| Correlation between SnO2 nanocrystals and optical properties of Eu3+ ions in SiO2 matrix: relation of crystallinity, composition, and photoluminescence BQ Thanh, NN Ha, TN Khiem, ND Chien Journal of Luminescence 163, 28-31, 2015 | 14 | 2015 |
| Nanocrystal growth of single-phase Si1− xGex alloys NT Giang, ND Dung, T Van Quang, NN Ha Journal of Physics and Chemistry of Solids 93, 121-125, 2016 | 13 | 2016 |
| Photoluminescence enhancement OF Er3+-DOPED ZnO/SiO2 nanocomposites fabricated through two-step synthesis N Van Du, NN Ha, ND Hoa, TN Khiem, ND Chien Optical Materials 92, 262-266, 2019 | 11 | 2019 |
| High-quality optically defect-free 1D ZnS nanostructures by a modified thermal evaporation method PTH M.T. Tran, N.V. Du, N. Tu, N.T. Huyen, N.D. Hung, D.X. Viet, N.N. Ha, D ... Optical Materials 124, 111963, 2022 | 9 | 2022 |
| Synthesis and Photoluminescence Properties of Deep-Red-Emitting CaYAlO4:Cr3+ Phosphors LQ Duong, NT Tuan, NV Quang, PT Huy, DQ Trung, N Tu, NV Du, NN Ha, ... Journal of Electronic Materials 49 (12), 7464-7471, 2020 | 9 | 2020 |
| Far-red-emitting Cr3+-doped CaAl12O19 phosphors with excellent color purity and good quantum efficiency for plant growth LEDs NT Huyen, MT Tran, N Van Quang, HQ Bac, DTT Huyen, TTK Nguyet, ... Optical Materials 133, 113002, 2022 | 8 | 2022 |
| Investigation of optical gain in Eu-doped GaN thin film grown by OMVPE method NN Ha, A Nishikawa, Y Fujiwara, T Gregorkiewicz Journal of Science: Advanced Materials and Devices 1 (2), 220-223, 2016 | 8 | 2016 |
| Influence of composition, doping concentration and annealing temperatures on optical properties of Eu3+-doped ZnO–SiO2 nanocomposites PS Tung, LTT Hien, NN Ha, TN Khiem, ND Chien Journal of Nanoscience and Nanotechnology 16 (8), 7955-7958, 2016 | 7 | 2016 |
| Decisive role of dopants in the optical properties of vertically aligned silicon nanowires prepared by metal-assist chemical etching NTN Lam, D Van Thuong, NN Ha, ND Dung, DVA Dung, HT Giang, XT Vu Optical Materials 121, 111632, 2021 | 5 | 2021 |
| Absorption of Si, Ge, and SiGe alloy nanocrystals embedded in SiO2 matrix ID Avdeev, AV Belolipetsky, NN Ha, MO Nestoklon, IN Yassievich Journal of Applied Physics 127 (11), 2020 | 5 | 2020 |
| Microscopic and optical parameters of Eu3+-doped SnO2–SiO2 nanocomposites prepared by sol−gel method BQ Thanh, TN Khiem, NN Ha, PV Do Journal of Luminescence 201, 129-134, 2018 | 5 | 2018 |
| In situ observation of phase transformation in iron carbide nanocrystals ND Dung, TQ Tuan, NT Khoi, PT Huy, NN Ha Micron 104, 61-65, 2018 | 5 | 2018 |
| Influence of Hydrothermal Temperature on the Optical Properties of Er-Doped SnO2 Nanoparticles P Van Tuan, LT Hieu, LQ Nga, NN Ha, ND Dung, TN Khiem Journal of Electronic Materials 46, 3341-3344, 2017 | 4 | 2017 |
T. GregorkiewiczProfessor of Optoelectronic Materials, University of AmsterdamVerified email at uva.nl
