Search Results - "Jõgi, I"

CF-LIBS quantification and depth profile analysis of Be coating mixed layers by Dwivedi, V., Marín-Roldán, A., Karhunen, J., Paris, P., Jõgi, I., Porosnicu, C., Lungu, C.P., van der Meiden, H., Hakola, A., Veis, P.

“…•LIBS & SIMS depth profiles analysis of Be-based layers containing C, O, H, & D-fuel.•Deconvolution of Dα and Hα lines by Lorentz fitting for the…”
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LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma by Piip, K., De Temmerman, G., van der Meiden, H.J., Lissovski, A., Karhunen, J., Aints, M., Hakola, A., Paris, P., Laan, M., Likonen, J., Jõgi, I., Kozlova, J., Mändar, H.

“…The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials…”
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LIBS depth profiling of Be-containing samples with different gaseous impurity concentrations by Bhat, P.G., Veis, P., Marín Roldán, A., Karhunen, J., Paris, P., Jõgi, I., Hakola, A., Likonen, J., Almaviva, S., Gromelski, W., Ladygina, M., Gasior, P., Ristkok, J., Bogdanović Radović, I., Siketić, Z., Romanenko, O., Porosnicu, C., Lungu, C.

“…Understanding the interaction between the fusion plasma and the plasma-facing materials (PFMs) is crucial for achieving the optimal performance, safety, and…”
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LIBS applicability for investigation of re-deposition and fuel retention in tungsten coatings exposed to pure and nitrogen-mixed deuterium plasmas of Magnum-PSI by Jõgi, I, Paris, P, Piip, K, Ristkok, J, Talviste, R, Piirsoo, H-M, Tamm, A, Grigore, E, Hakola, A, Tyburska-Pueschel, B, van der Meiden, H J

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Comparison of LIBS results on ITER-relevant samples obtained by nanosecond and picosecond lasers by Paris, P., Butikova, J., Laan, M., Hakola, A., Jõgi, I., Likonen, J., Grigore, E., Ruset, C.

“…•Ps laser resulted in same Hα LIBS signal as ns laser at two times lower laser fluence.•Accuracy of Dα curve fitting was determined by overlap with more…”
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A modified expression for breakdown voltage of Townsend discharge in a non-uniform electric field and uniform axial magnetic field by Noori, H., Jõgi, I.

“…Townsend breakdown mechanism for direct current discharge in argon gas by considering the effects of the non-uniformity of electric field, the loss of…”
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LIBS study of ITER relevant tungsten–oxygen coatings exposed to deuterium plasma in Magnum-PSI by Jõgi, I., Paris, P., Laan, M., Kozlova, J., Mändar, H., Passoni, M., Dellasega, D., Hakola, A., van der Meiden, H.J.

“…We discuss the applicability of laser induced breakdown spectroscopy (LIBS) for deuterium retention analysis in compact and porous tungsten-oxide (W-O)…”
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Non-thermal plasma based decomposition of volatile organic compounds in industrial exhaust gases by Schmidt, M., Jõgi, I., Hołub, M., Brandenburg, R.

“…The decomposition of various volatile organic compounds (VOCs), namely butyl acetate, styrene, and methanol, by means of non-thermal plasma technology was…”
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The effects of uniform versus non-uniform magnetic field on characteristics of a Penning ion source by Noori, H., Khodabakhshi, E., Jõgi, I.

“…A magnetic field is an essential element of a Penning ion source. Some pre-ignition characteristics of a Penning source were considered in the presence of the…”
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Quantification of H/D content in Be/W mixtures coatings by CF-LIBS by Veis, P, Marín-Roldán, A, Dwivedi, V, Karhunen, J, Paris, P, Jõgi, I, Porosnicu, C, Lungu, C P, Nemanic, V, Hakola, A

“…In ITER, a remote handling laser-induced breakdown spectroscopy (LIBS) system is considered to be able to observe regions where deposition of thick layers is…”
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Development of Ionization waves in an Atmospheric-Pressure Micro-Plasma Jet by Talviste, R., Jõgi, I., Raud, J., Paris, P.

“…Present study investigated the development of ionization waves in an atmospheric‐pressure plasma jet. Plasma was ignited by 6 kHz sinusoidal voltage applied to…”
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Investigations of surface coatings to reduce memory effect in plastic scintillator detectors used for radioxenon detection by Bläckberg, L., Fay, A., Jõgi, I., Biegalski, S., Boman, M., Elmgren, K., Fritioff, T., Johansson, A., Mårtensson, L., Nielsen, F., Ringbom, A., Rooth, M., Sjöstrand, H., Klintenberg, M.

“…In this work Al2O3 and SiO2 coatings are tested as Xe diffusion barriers on plastic scintillator substrates. The motivation is improved beta–gamma coincidence…”
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Erosion of marker coatings exposed to Pilot-PSI plasma by Paris, P., Hakola, A., Bystrov, K., De Temmerman, G., Aints, M., Jõgi, I., Kiisk, M., Kozlova, J., Laan, M., Likonen, J., Lissovski, A.

“…In this article, laser induced breakdown spectroscopy (LIBS) has been used to study plasma-induced erosion processes. Samples with ITER-relevant coatings were…”
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NO Conversion by Dielectric Barrier Discharge and TiO2 Catalyst: Effect of Oxygen by Jõgi, I., Bichevin, V., Laan, M., Haljaste, A., Käämbre, H.

“…Present study was carried out to investigate the conversion of NO by simultaneous action of the dielectric barrier discharge (DBD) and TiO 2 catalyst. NO…”
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Influence of He D2 plasma fluxes on the morphology and crystallinity of tungsten coatings by Piip, K, Paris, P, Hakola, A, Bystrov, K, De Temmerman, G, Aints, M, Jõgi, I, Kozlova, J, Laan, M, Likonen, J, Lissovski, A, Mändar, H

“…Tungsten coatings were exposed to He D2 plasma in the linear plasma machine Pilot PSI. Different He contents were used in the plasma. The sample surface…”
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Fowler-nordheim tunnelling in Au−TiO2−Ag film structures by Aarik J., Bichevin V., Jõgi I., Käämbre H., Laan M., Sammelselg V.

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Non-thermal plasma based decomposition of volatile organic compounds in industrial exhaust gases by Schmidt, M, Jõgi, I, Hołub, M, Brandenburg, R

“…The decomposition of various volatile organic compounds (VOCs), namely butyl acetate, styrene, and methanol, by means of non-thermal plasma technology was…”
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Application of diffuse reflectance spectroscopy for quick laboratory assessment of Estonian oil shale quality by Tufail, Iram, Paris, Peeter, Jogi, Indrek, Aints, Mart, Siiman, Andres, Riisalu, Hella, Laan, Matti

“…Diffuse reflectance spectroscopy in near infrared region was used as a fast laboratory method for quantitative assessment of the calorific value and the…”
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Influence of He/D 2 plasma fluxes on the morphology and crystallinity of tungsten coatings by Piip, K, Paris, P, Hakola, A, Bystrov, K, De Temmerman, G, Aints, M, Jõgi, I, Kozlova, J, Laan, M, Likonen, J, Lissovski, A, Mändar, H

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Influence of He/D sub(2) plasma fluxes on the morphology and crystallinity of tungsten coatings by Piip, K, Paris, P, Hakola, A, Bystrov, K, De Temmerman, G, Aints, M, Jogi, I, Kozlova, J, Laan, M, Likonen, J, Lissovski, A, Mandar, H

“…Tungsten coatings were exposed to He/D sub(2) plasma in the linear plasma machine Pilot PSI. Different He contents were used in the plasma. The sample surface…”
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