Articole din publicaţii internaţionale: Recent submissions

Now showing items 441-460 of 3232

Porous Semiconductor Compounds with Engineered Morphology as a Platform for Various Applications

MONAICO, Eduard V.; MONAICO, Elena I.; URSAKI, Veaceslav V.; TIGINYANU, Ion M. (Wiley-VCH GmbH, Weinheim, 2023)

Porous semiconductor compounds represent a class of materials which is under an intense research focus over the last years. Herein, morphologies and topologies produced by anodization in binary semiconductor compounds ...
ZrO2 radiation sensor

SHISHIYANU, Sergiu T.; GUEORGUIEV, Valentin K.; Teodor S. SHISHIYANU, Teodor S. (Одеський нацiональный университет iменi I. I. Мечникова, 2012)

The effects of γ– irradiation on the physical and electrical properties of ZrO2 high-k MOS radiation sensors were studied. The doses of γ–irradiation applied have been up to 80 Gray. The C-V characteristics seeing as the ...
Sensitivity of nanostructured tellurium films to low - reactive gases

MOCREAC, O.; TSIULYANU, D.; AFANASIEV, A. (NATO Advanced Study Institute, 2019)

Electrical conductivity and impedance spectra of nanostructured tellurium thin films have been investigated in different gaseous media. The films were fabricated by thermal vacuum deposition of pure tellurium (purity 99.999 ...
Chalcogenide based sensitive layers for work function gas and humidity sensors

TSIULYANU, D.; MARIAN, S.; MOCREAC, O. (Одеський нацiональный университет iменi I. I. Мечникова, 2012)

In this work the authors report about characterization of chalcogenide based thin films, as a materials for gas – sensing applications. The sensing behavior of the As-S-Te-Ge films was tested with environmental pollutant ...
Flexible thin films based on Te-SnO2 nanocomposites and their gas sensing properties

TSIULYANU, D.; MOCREAC, O.; AFANASIEV, A.; MONAICO, E. (International Conference on Physics of Advanced Materials (ICPAM), 2021)

Printed electronics becomes very attractive due to the ability of using sustainable, compostable and recyclable materials including biobased plastics and paper in the elaboration of different flexible thin-film sensors, ...
Morphology, XRD and EDX study of screen-printed thick films based on SnO2 / Te nanocomposites

TSIULYANU, D.; AFANASIEV, A.; MOCREAC, O.; MONAICO, E.; VOLODINA, G. (Institute of Physics NAS Ukraine, 2021)

Nanocomposites of tellurium and tin dioxide have been synthesized via solvothermal recrystallization of polycrystalline tellurium powder, followed by Te reduction in the presence of a tin chloride solution. Thick (~15 μm) ...
Effect of nanostructuring to response kinetics of tellurium thin films by nitrogen dioxide sensing

TSIULYANU, Dumitru; CIOBANU, Marina; MOCREAC, Olga (Taylor & Francis, Inc. Molecular Crystals and Liquid Crystals, 2020)

The work is conducted to clarify the effect of structural dimensionality of tellurium thin films on gas (NO2) sensing at room temperature. Nanostructuring of Te films has been realized via three methods (Fig.1): ...
Hydrogen sensing behavior of tellurium thin films studied by A.C. measurements

TSIULYANU, Dumitru; MOCREAC, Olga (Engineering Society for Corrosion, Belgrade, Serbia, 2013)

For the first time it is pointed out that tellurium films exhibit sensitivity to H2 at room temperature along with sensitivity to NO2. The hydrogen gas sensing performance of tellurium thin films was investigated by method ...
Impedance spectroscopy of sensitive to harmful gases tellurium thin films

TSIULYANU, D.; MOCREAC, O. (Forum of Chalcogeniders, 2011)

Impedance spectra of tellurium thin films with interdigital platinum electrodes have been investigated in different gaseous media. For the first time it is pointed out that tellurium films exhibit sensitivity to H2 at room ...
Nano-Heterostructured Materials - Based Sensors for Safety and Biomedical Applications

LUPAN, Oleg; MAGARIU, Nicolae; KRÜGER, Helge; SEREACOV, Alexandr; ABABII, Nicolai; RAILEAN, Serghei; ZIMOCH, Lukas; ADELUNG, Rainer; HANSEN, Sandra (Institute of Electrical and Electronics Engineers (IEEE), 2022)

Permanent monitoring of lithium-ion batteries (LIBs) and volatile organic compounds (VOCs) in various environments, especially for safety and biomedical applications, is a growing field due to the high reactivity of the ...
Al2O3/ZnO Heterostructure-Based Sensors for Volatile Organic Compounds in Safety Applications

LUPAN, Oleg; SANTOS-CARBALLAL, David; MAGARIU, Nicolae; MISHRA, Abhishek Kumar; ABABII, Nicolai; KRÜGER, Helge; WOLFF, Niklas; VAHL, Alexander; BODDULURI, Mani Teja; KOHLMANN, Niklas; KIENLE, Lorenz; ADELUNG, Rainer; LEEUW, Nora H. de; HANSEN, Sandra (American Chemical Society, 2022)

In this work, we demonstrate the sensing properties toward the most common VOCs of columnar Al2O3/ZnO heterolayer-based sensors. We have also developed an approach to tune the sensor selectivity by changing the thickness ...
Development of 2-in-1 Sensors for the Safety Assessment of Lithium-Ion Batteries via Early Detection of Vapors Produced by Electrolyte Solvents

LUPAN, Oleg; MAGARIU, Nicolae; SANTOS-CARBALLAL, David; ABABII, Nicolai; OFFERMANN, Jakob; POOKER, Pia; HANSEN, Sandra; SIEBERT, Leonard; LEEUW, Nora H. de; ADELUNG, Rainer (American Chemical Society, 2023)

In this study, we investigate the gas-sensing capabilities of semiconducting metal oxides for detecting vapors produced by common battery components, such as solvents, salts, or their degassing products. Our main objective ...
Al2O3/ZnO composite-based sensors for battery safety applications: An experimental and theoretical investigation

SANTOS-CARBALLAL, David; LUPAN, Oleg; MAGARIU, Nicolae; ABABII, Nicolai; KRÜGER, Helge; BODDULURI, Mani Teja; LEEUW, Nora H. de; HANSEN, Sandra; ADELUNG, Rainer (Elsevier, 2023)

Lithium-ion batteries are vital in one of the key nanotechnologies required for the transition to a carbon-free society. As such, they are under constant investigation to improve their performance in terms of energy and ...
The Holistic Approach to Cybersecurity in Academia

ALEXEI, Arina; NISTIRIUC, Pavel; ALEXEI, Anatolie (Association for Computing Machinery, 2022)

Academic institutions are increasingly implementing digital services and new technologies, for a modern and accessible educational environment. But the virtual environment creates unknown vulnerabilities that need to be ...
Analysis of IoT security issues used in Higher Education Institutions

ALEXEI, Arina; ALEXEI, Anatolie (International Journal of Mathematics and Computer Research (IJMCR), 2021)

The holistic analysis conducted in this article aimed to identify vulnerabilities, cyber-attacks and ways to mitigate them in IoT systems, which are increasingly implemented in Higher Education Institutions (HEIs). Industry ...
Understanding the barrier properties of dry, clay-based coatings. A contribution from computational modelling

SIMINEL, Nikita; BREEN, Chris; CLEAVER, Doug; CLEGG, Francis (The James Hutton Institute, 2015)

Coatings with high barriers to gases, vapours and flavours find their major application in food packaging materials. Taking into account the amount of food currently wasted every year, packaging that keeps it fresh for a ...
Seven Zn(II) and Cd(II) 1D coordination polymers based on azine donor linkers and decorated with 2-thiophenecarboxylate: Syntheses, structural parallels, Hirshfeld surface analysis, and spectroscopic and inclusion properties

LOZOVAN, Vasile; KRAVTSOV, Victor Ch.; COROPCEANU, Eduard B.; SIMINEL, Nikita; KULIKOVA, Olga V.; COSTRIUCOVA, Natalia V.; FONARI, Marina S. (Elsevier, 2020)

Seven mixed-ligand 1D coordination polymers [Zn2(4-bphz)(2-tpc)4]n (1), [Zn2(4-bpmhz)(2-tpc)4]n (2), [Cd(4-bphz)2(2-tpc)2]n (3), [Zn(3-bphz)(2-tpc)2]n (4), [Zn(3-bpmhz)(2-tpc)2]n (5), [Cd(4-bpmhz)(2-tpc)2]n·0.5n(4-bpmhz) ...
Chromism, positional, conformational and structural isomerism in a series of Zn(II) and Cd(II) coordination polymers based on methylated azine N,N′-donor linkers

LOZOVAN, Vasile; KRAVTSOV, Victor Ch.; GORINCIOI, Elena; ROTARU, Andrei; COROPCEANU, Eduard B.; SIMINEL, Nikita; FONARI, Marina S. (Elsevier, 2020)

Seven new coordination polymers [Zn(I)2(4-bpmhz)]n (1), [Cd(I)2(4-bpmhz)]n (2), [Zn(I)2(3-bpmhz)]n (3), [Cd(I)2(3-bpmhz)2]n (4), [Zn(NO3)2(H2O)2(4-bpmhz)]n·0.5n(EtOH) (5), [Cd(NO3)2(4-bpmhz)3/2(MeOH)]n·0.5nH2O (6) and ...
The kesterite–stannite structural transition as a way to avoid Cu/Zn disorder in kesterites: the exemplary case of the Cu2(Zn,Mn)SnSe4

GURIEVA, Galina; NIEDENZU, Sara; SIMINEL, Nikita; FRANZA, Alexandra; SCHORRAB, Susan (The Royal Society of Chemistry, 2022)

The solid solution series between Cu2ZnSnSe4, crystallizing in the kesterite type structure, and Cu2MnSnSe4, adopting the stannite type structure, i.e. Cu2(Zn1−xMnx)SnSe4, was studied by a combination of neutron and X-ray ...
Биотехнология получения здоровых клонов винограда

ХАУСТОВ, Е. И.; ПРОДАНЮК, Е. Р.; СУЛТАНОВА, О. Д.; БОНДАРЧУК, В. В. (РУП "Институт плодоводства", 2016)

Предложена технология получения здоровых клонов винограда, основанная на применении современных методов диагностики вирусных заболеваний и бактериального рака, клонального микроразмножения в культуре "in vitro". Практическое ...

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