Article
Chemistry, Multidisciplinary
Valentina Cantelli, Sophie Guillemin, Eirini Sarigiannidou, Francesco Carla, Bruno Berini, Jean-Michel Chauveau, Dillon D. Fong, Hubert Renevier, Vincent Consonni
Summary: The polarity of ZnO nanowires affects their nucleation process and morphology development. The study shows that the formation of ZnO nanowires follows three phases and the characteristics of each phase depend on the polarity of the nanowires. This research provides a deeper understanding of the physicochemical processes at work during the growth of ZnO nanowires.
Article
Chemistry, Physical
ChenLin Wang, MinJu Ying, Jie Lian, MingYang Wei, QingFen Jiang, Qian Li, Yu Zhang, Zhen Xu, YueMing Wang
Summary: In this study, O-polar ZnO films were prepared using molecular beam epitaxy and ion implantation was used to introduce Co ions and Sm ions into the films. Various characterization techniques were employed to study the structure, optical, and dielectric properties of the samples. The results showed changes in surface roughness and dielectric properties after ion implantation, indicating potential for application in optoelectronic devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Nanoscience & Nanotechnology
Stanislav Tiagulskyi, Roman Yatskiv, Hana Faitova, Ondrej Cernohorsky, Jan Vanis, Jan Grym
Summary: The experimental approach demonstrated in this study prototypes heterojunctions between graphene and bulk semiconductor substrates using focused ion beam milling and in-situ electrical measurements. The aim is to limit the impact of defects in graphene on the electrical characteristics of the junctions. The approach is successfully applied to graphene/ZnO structures and experimentally validates theoretical predictions of differences in charge transport.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2022)
Article
Chemistry, Physical
E. Zielony, A. Wierzbicka, R. Szymon, M. A. Pietrzyk, E. Placzek-Popko
Summary: This study focused on the structural properties of ZnO/CdO and ZnO/ZnCdO multiple quantum well nanowires grown on Si substrates using molecular beam epitaxy. The experiments revealed the presence of tensile strain in the samples through analysis of micro-Raman spectroscopy and X-ray diffraction.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Clement Lausecker, Bassem Salem, Xavier Baillin, Vincent Consonni
Summary: The formation mechanisms of ZnO nanowires from Au seed layers are investigated for different precursor concentrations, leading to variations in the morphological properties. The thermodynamic properties of the chemical bath play a critical role in the formation of ZnO nanowires. This study provides valuable insights for optimizing the morphology of ZnO nanowires for their integration into piezoelectric devices.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Chemistry, Multidisciplinary
Amnon Rothman, Jaroslav Manis, Vladimir G. Dubrovskii, Tomas Sikola, Jindrich Mach, Ernesto Joslevich
Summary: The bottom-up assembly of nanowires allows for control over their dimensions, structure, orientation, and physical properties; Surface-guided growth of planar nanowires eliminates the need for additional post-growth processes; The general growth model provides a rational approach to better control nanowire dimensions and expand the range of materials systems and potential applications in nanotechnology.
Article
Materials Science, Multidisciplinary
Johannes Mund, Dmitri R. Yakovlev, Sergey Sadofev, Cedrik Meier, Manfred Bayer
Summary: Optical second harmonic generation (SHG) on excitons was studied in polar ZnO/(Zn,Mg)O quantum wells grown on ZnO and sapphire substrates. SHG signal on exciton resonances was observed in a symmetry-forbidden geometry for light propagation along the c axis of the structure, indicating a possibility of induced signals by symmetry reduction and built-in electric fields.
Article
Physics, Applied
Yongjian Ma, Xiaodong Zhang, Junshuai Li, Xu Cao, Tao He, Li Zhang, Wenbo Tang, Kun Xu, Yaming Fan, Yong Cai, Houqiang Fu, Baoshun Zhang
Summary: By controlling the growth temperature and O-2 flow rate, the lateral epitaxial growth rate of beta-Ga2O3 nanowires can be increased, which is related to reaction kinetics and parasitic reactions. Additionally, a growth model proposed in the study helps explain the morphology changes of nanowires under different growth conditions.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Jiangyang Liu, Kazuki Nagashima, Yuki Nagamatsu, Takuro Hosomi, Hikaru Saito, Chen Wang, Wataru Mizukami, Guozhu Zhang, Benjarong Samransuksamer, Tsunaki Takahashi, Masaki Kanai, Takao Yasui, Yoshinobu Baba, Takeshi Yanagida
Summary: The surface cation composition of nanoscale metal oxides plays a critical role in determining the properties of various chemical processes, such as catalysts and molecular sensors. This study focused on the modulation of cation composition on the surface of ZnO/(Cu1-xZnx)O heterostructured nanowires and found that an increase in surface copper content suppresses the adsorption of nonanal and the aldol condensation reaction. Spectroscopic analysis and theoretical simulations revealed that surface Cu2+ sites were inactive, explaining the observed weak molecular adsorption behaviors and suppressed reactions. This tailored cation composition surface also showed improvements in electrical molecular sensing of nonanal.
Article
Chemistry, Physical
Brendan E. Hawkins, Damon E. Turney, Robert J. Messinger, Andrew M. Kiss, Gautam G. Yadav, Sanjoy Banerjee, Timothy N. Lambert
Summary: This study reveals an electroactive type of zinc oxide formed in zinc-metal alkaline electrodes and measures its electrical conductivity change. The study finds that the conductivity change of the electroactive zinc oxide is closely related to the insertion of protons into the crystal structure and electrons into the conduction band. In addition, the rapid crystal growth of the electroactive zinc oxide allows it to have efficiencies and rates competitive with leading electrochromic materials. Understanding this phenomenon helps improve the cycling performance of industrial-design electrodes and suggests potential applications of zinc oxide in other fields.
ADVANCED ENERGY MATERIALS
(2022)
Article
Physics, Multidisciplinary
Rais Ahmad Dar, Mohd Zubair Ansari
Summary: In this study, various ZnO nanostructures were synthesized using sol-gel technique with different solution pH values. The pH values were adjusted by adding NaOH solution dropwise, leading to different morphologies of ZnO nanostructures. The morphological structures were investigated using scanning electron microscope, and the structural and chemical analysis as well as optical characterizations were carried out using X-ray diffraction, FTIR, Raman and UV-vis spectroscopic techniques. The results showed that the ZnO nanostructures exhibited different shapes and crystallinity as the pH values varied. The optical properties of the ZnO nanocrystals were also found to be desirable. Raman and FTIR spectroscopy were used to further analyze the elemental and compositional characteristics.
EUROPEAN PHYSICAL JOURNAL PLUS
(2022)
Article
Chemistry, Inorganic & Nuclear
Lixiong Qian, Lei Yao, Yunpeng Liu, Hao Wang, Jiajun Zhong, Chao Liu, Guang Mo, Xueqing Xing, Zhongjun Chen, Zhonghua Wu
Summary: The formation mechanism of zinc oxide (ZnO) nanorods was studied using a hydrothermal method. An intermediate phase, Zn(HCO3)(2)center dot H2O, was first formed at 50 degrees C and then transformed into pure ZnO nanorods through hydrothermal reaction. The results provide guidance for the controllable synthesis of ZnO nanoparticles.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Wenming Yang, Chenjun Hao, Shengsen Zhang, Tianyang Zheng, Rong Zhu, Beiying Liu
Summary: This paper proposes an AC/DC electric-field-assisted wet chemical method for growing ZnO nanowires directly on discharging devices. The nanowires cover the whole electrode and meet the requirements of gas discharge. The study establishes parameters for ZnO nanowire growth and provides a feasible way to use ZnO nanowires as needle anodes.
Article
Engineering, Electrical & Electronic
Amalendu Bera, Sourav Chattopadhyay
Summary: A p-Si/Zn(Mg)O/ZnO/Zn(Fe)O heterostructure was fabricated and investigated for light-emitting diode applications. The results showed non-ideal diode behavior at room temperature, with specific spectral peaks and wavelength ranges observed.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Luisa Fialho, Augusto Costa-Barbosa, Paula Sampaio, Sandra Carvalho
Summary: This study investigates the deposition of zinc-zinc oxide nanoparticles on porous Ta2O5 surfaces to enhance surface antimicrobial activity. The size and amount of nanoparticles, as well as the presence of a thin carbon layer, were explored to modify the surface properties. The results show that surfaces with larger nanoparticles and higher zinc content exhibit better antimicrobial effects, but also induce cell toxicity and cytokine secretion. This research provides insights into the optimal zinc amount for simultaneous inhibition of fungi growth without toxic effects and the antimicrobial mechanisms of zinc-zinc oxide nanoparticles, contributing to future clinical applications.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Geoffrey Avit, Yamina Andre, Catherine Bougerol, Dominique Castelluci, Arnelie Dussaigne, Pierre Ferret, Stephanie Gaugiran, Bruno Gayral, Evelyne Gil, Yann Lee, M. Reda Ramdani, Elissa Roche, Agnes Trassoudaine
CRYSTAL GROWTH & DESIGN
(2016)
Article
Physics, Applied
Stephane Brochen, Guy Feuillet, Jean-Louis Santailler, Remy Obrecht, Matthieu Lafossas, Pierre Ferret, Jean-Michel Chauveau, Julien Pernot
JOURNAL OF APPLIED PHYSICS
(2017)
Article
Physics, Applied
P. Tchoulfian, F. Donatini, F. Levy, B. Amstatt, P. Ferret, J. Pernot
APPLIED PHYSICS LETTERS
(2013)
Article
Physics, Applied
P. Tchoulfian, F. Donatini, F. Levy, B. Amstatt, A. Dussaigne, P. Ferret, E. Bustarret, J. Pernot
APPLIED PHYSICS LETTERS
(2013)
Article
Physics, Applied
Stephane Brochen, Matthieu Lafossas, Ivan-Christophe Robin, Pierre Ferret, Frederique Gemain, Julien Pernot, Guy Feuillet
JOURNAL OF APPLIED PHYSICS
(2014)
Article
Chemistry, Multidisciplinary
P. Tchoulfian, F. Donatini, F. Levy, A. Dussaigne, P. Ferret, J. Pernot
Article
Physics, Condensed Matter
Gauthier Chicot, Julien Pernot, Jean-Louis Santailler, Celine Chevalier, Carole Granier, Pierre Ferret, Alexandre Ribeaud, Guy Feuillet, Pierre Muret
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
(2014)
Article
Nanoscience & Nanotechnology
Mohammed Zeghouane, Geoffrey Avit, Yamina Andre, Catherine Bougerol, Yoann Robin, Pierre Ferret, Dominique Castelluci, Evelyne Gil, Vladimir G. Dubrovskii, Hiroshi Amano, Agnes Trassoudaine
Article
Crystallography
M. Mrad, M. Charles, Y. Mazel, E. Nolot, J. Kanyandekwe, M. Veillerot, P. Ferret, G. Feuillet
JOURNAL OF CRYSTAL GROWTH
(2019)
Article
Chemistry, Multidisciplinary
Mohammed Zeghouane, Geoffrey Avit, Yamina Andre, Thierry Taliercio, Pierre Ferret, Evelyne Gil, Dominique Castelluci, Pierre Disseix, Joel Leymarie, Eric Tournie, Agnes Trassoudaine
CRYSTAL GROWTH & DESIGN
(2020)
Article
Nanoscience & Nanotechnology
Mohammed Zeghouane, Yamina Andre, Geoffrey Avit, Jihen Jridi, Catherine Bougerol, Pierre-Marie Coulon, Pierre Ferret, Dominique Castelluci, Evelyne Gil, Philip Shields, Vladimir G. Dubrovskii, Agnes Trassoudaine
Article
Physics, Applied
Carsten Richter, Vladimir M. Kaganer, Armelle Even, Amelie Dussaigne, Pierre Ferret, Frederic Barbier, Yves-Matthieu Le Vaillant, Tobias U. Schuelli
Summary: Strain and composition are important in semiconductor physics, but nondestructive measurement of strain in epitaxial systems remains a challenge. This study demonstrates a microscopic mapping of strain and lattice orientation using scanning x-ray diffraction microscopy and applies it to study strain relaxation and indium incorporation phenomena.
PHYSICAL REVIEW APPLIED
(2022)
Article
Chemistry, Multidisciplinary
Mohammed Zeghouane, Geoffrey Avit, Thomas W. Cornelius, Damien Salomon, Yamina Andre, Catherine Bougerol, Thierry Taliercio, Ariane Meguekam-Sado, Pierre Ferret, Dominique Castelluci, Evelyne Gil, Eric Tournie, Olivier Thomas, Agnes Trassoudaine
Article
Physics, Applied
A. Even, G. Laval, O. Ledoux, P. Ferret, D. Sotta, E. Guiot, F. Levy, I. C. Robin, A. Dussaigne
APPLIED PHYSICS LETTERS
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
I. C. Robin, P. Ferret, A. Dussaigne, C. Bougerol, D. Salomon, X. J. Chen, M. Charles, P. Tchoulfian, A. Gasse, A. Lagrange, M. Consonni, H. Bono, F. Levy, Y. Desieres, A. Aitmani, S. Makram-Matta, E. Bialic, P. Gorrochategui, L. Mendizabal
THIRTEENTH INTERNATIONAL CONFERENCE ON SOLID STATE LIGHTING
(2014)