Search Results - "Mändar, Hugo"

Atomic Layer Deposition of Ga2O3 from GaI3 and O3: Growth of High-Density Phases by Aarik, Lauri, Mändar, Hugo, Kozlova, Jekaterina, Tarre, Aivar, Aarik, Jaan

“…Gallium oxide thin films, containing either α-Ga2O3 or κ-Ga2O3 crystalline phases, were grown by atomic layer deposition (ALD) by using GaI3 and O3 as…”
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Influence of phase composition on optical properties of TiO2: Dependence of refractive index and band gap on formation of TiO2-II phase in thin films by Möls, Kristel, Aarik, Lauri, Mändar, Hugo, Kasikov, Aarne, Niilisk, Ahti, Rammula, Raul, Aarik, Jaan

“…Atomic layer deposition was applied to grow TiO2 thin films containing anatase, rutile and mixture of TiO2-II and rutile phases with the aim to investigate the…”
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Solution Structure and Conformational Flexibility in the Active State of the Orange Carotenoid Protein: Part I. Small-Angle Scattering by Golub, Maksym, Moldenhauer, Marcus, Schmitt, Franz-Josef, Feoktystov, Artem, Mändar, Hugo, Maksimov, Eugene, Friedrich, Thomas, Pieper, Jörg

“…Orange carotenoid proteins (OCPs) are photoswitchable macromolecules playing an important role in nonphotochemical quenching of excess energy in cyanobacterial…”
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Low-Temperature Atomic Layer Deposition of α‑Al2O3 Thin Films by Aarik, Lauri, Mändar, Hugo, Ritslaid, Peeter, Tarre, Aivar, Kozlova, Jekaterina, Aarik, Jaan

“…The atomic layer deposition of Al2O3 films on Si(100) and α-Cr2O3 was studied. The films were grown via AlCl3-H2O, AlCl3-O3, Al­(CH3)3-H2O, and Al­(CH3)3-O3…”
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Oxygen-Sensitive Photoluminescence of Rare Earth Ions in TiO2 Thin Films by Kiisk, Valter, Akulitš, Kristiina, Kodu, Margus, Avarmaa, Tea, Mändar, Hugo, Kozlova, Jekaterina, Eltermann, Marko, Puust, Laurits, Jaaniso, Raivo

“…Some nanocrystalline TiO2 materials are notorious for their photoluminescence (PL), which exhibits a pronounced sensitivity to ambient oxygen and has a…”
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Influence of Substrates on Structure Development and Concentration of Residual Impurities in Hafnium–Titanium-Oxide Films Grown by Atomic Layer Deposition by Aarik, Lauri, Arroval, Tõnis, Ritslaid, Peeter, Vask, Agnes, Mändar, Hugo, Aarik, Jaan

“…Atomic layer deposition of hafnium–titanium-oxide (Hf x Ti1–x O y ) films on silicon substrates and Ru, RuO2, and Pt seed layers was investigated. The films…”
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The structure–activity interactions of Cu/Zn, In/Pd and Fe/K catalysts supported on mesoporous SBA-15 for carbon dioxide hydrogenation at low pressure by Abelniece, Zane, Cutrufello, Maria Giorgia, Rombi, Elisabetta, Stanke, Agija, Piirsoo, Helle-Mai, Mändar, Hugo, Tamm, Aile

“…To minimize greenhouse gas emissions, efficient carbon dioxide capture and utilization need to be addressed. In this study, to determine the structure–activity…”
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The influence of Zn content in Cu/ZnO/SBA-15/kaolinite catalyst for methanol production by CO2 hydrogenation by Abelniece, Zane, Kampars, Valdis, Piirsoo, Helle-Mai, Mändar, Hugo, Tamm, Aile

“…The capture and utilization of carbon dioxide (CO2) has been attracting increasing interest. Producing methanol from captured CO2 and renewable hydrogen is one…”
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Microstructure and mechanical properties of atomic layer deposited alumina doped zirconia by Piirsoo, Helle-Mai, Jõgiaas, Taivo, Mändar, Hugo, Ritslaid, Peeter, Kukli, Kaupo, Tamm, Aile

“…Atomic layer deposited alumina doped zirconia films can exhibit advanced mechanical properties with potential to increase the suitability of ZrO2 films for…”
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Atomic layer deposition of TiO2 from TiCl4 and O3 by Aarik, Lauri, Arroval, Tõnis, Rammula, Raul, Mändar, Hugo, Sammelselg, Väino, Aarik, Jaan

“…Atomic layer deposition (ALD) of thin films from TiCl4 and O3 on Si(100) substrates was investigated. The growth of TiO2 was obtained at substrate temperatures…”
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Hardness, Modulus, and Refractive Index of Plasma-Assisted Atomic-Layer-Deposited Hafnium Oxide Thin Films Doped with Aluminum Oxide by Kull, Mikk, Piirsoo, Helle-Mai, Tarre, Aivar, Mändar, Hugo, Tamm, Aile, Jõgiaas, Taivo

“…Coatings with tunable refractive index and high mechanical resilience are useful in optical systems. In this work, thin films of HfO doped with Al O were…”
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Mechanical and Optical Properties of Cr2O3 Thin Films Grown by Atomic Layer Deposition Method Using Cr(thd)3 and Ozone by Salari Mehr, Mahtab, Aarik, Lauri, Jõgiaas, Taivo, Kasikov, Aarne, Damerchi, Elyad, Mändar, Hugo

“…Cr2O3 thin films were grown on a Si (1 0 0) substrate using Cr(thd)3 and O3 by atomic layer deposition (ALD) at substrate temperatures (TG) from 200 to 300 °C…”
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Improving the Oxygen Barrier of Polyamide Food Packaging by Using Nanoclay by PAARA, Tonis, LANGE, Sven, SAAL, Kristjan, LÕHMUS, Rünno, KRUMME, Andres, MÄNDAR, Hugo

“…The effect of nanoclay additive on polyamide film oxygen permeability is investigated from the perspective of possible use as a laminate component for low-cost…”
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Nanoindentation of Chromium Oxide Possessing Superior Hardness among Atomic-Layer-Deposited Oxides by Jõgiaas, Taivo, Tarre, Aivar, Mändar, Hugo, Kozlova, Jekaterina, Tamm, Aile

“…Chromium (III) oxide is a technologically interesting material with attractive chemical, catalytic, magnetic and mechanical properties. It can be produced by…”
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Stabilization of Road Embankments on Peat Soils Using Oil Shale Ash and Pozzolanic Additives by Pallav, Vello, Teppand, Tõnis, Leinpuu, Andrus, Shanskiy, Merrit, Mets, Mait, Mändar, Hugo, Rikmann, Ergo, Liiv, Jüri

“…Using kukersite oil shale ash for the stabilization of organic-rich soils has been extensively studied but without much success. The main reason for this is…”
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Microbiological and chemical properties of shungite water by Türk, S, Tamm, T, Mändar, H, Raal, A, Laurson, P, Mäeorg, U

“…Šungiidifiltreid on kasutatud Escherichia coli eemaldamiseks veest. Šungiidivee toimemehhanism ja toimespekter pole teada. Käesolev uuring kirjeldab šungiiti…”
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Carbon xerogel from 5-methylresorcinol-formaldehyde gel: The controllability of structural properties by Peikolainen, Anna-Liisa, Uibu, Mai, Kozlova, Jekaterina, Mändar, Hugo, Tamm, Aile, Aabloo, Alvo

“…•Correlation between CX density and its catalyst (Na2CO3) concentration is linear.•Electrical conductivity of 0.2–0.8 S/cm and I(D)/I(G) ratio are related with…”
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Photo-, thermo- and optically stimulated luminescence of monoclinic zirconia by Kiisk, Valter, Puust, Laurits, Utt, Kathriin, Maaroos, Aarne, Mändar, Hugo, Viviani, Erica, Piccinelli, Fabio, Saar, Rando, Joost, Urmas, Sildos, Ilmo

“…We carried out a careful photoluminescence (PL) and thermoluminescence (TL) characterization of nominally pure monoclinic ZrO2 nanopowders subject to oxidative…”
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Optical characterization of HfO2 thin films grown by atomic layer deposition by AARIK, Jaan, MÄNDAR, Hugo, KIRM, Marco, PUNG, Lembit

“…Optical absorption and photoluminescence of amorphous and crystalline HfO2 thin films grown by atomic layer deposition from HfCl4 and H2O were studied…”
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Atomic layer deposition of epitaxial HfO2 thin films on r-cut sapphire by Mändar, Hugo, Rammula, Raul, Aidla, Aleks, Aarik, Jaan

“…Textured epitaxial HfO2 thin films of monoclinic structure were grown on r-cut Al2O3 by atomic layer deposition from HfCl4 and H2O at temperatures 450–750 °C…”
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