Information about Author
Name, Surname:

Jānis Grabis

Scientific Degree:

Habilitētais doktors

E-mail:

Janis.Grabis_3(at)rtu.lv

ORCID: orcid-logo 0000-0003-4380-1660
Publications
112 items found, displaying 11 to 20.
Preparation and Properies of Photocatalyst in ZnO/TiO2 System
(2019)
Jānis Grabis, Anita Letlena, Inta Sīpola
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Degradation of Methylene Blue under UV and Visible Light Illumination by Yttria Doped Titania Nanoparticles
(2019)
Jānis Grabis, Dzidra Jankoviča, Inta Sīpola
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Photocatalytic Activity of Eu2O3/ZnO and Sm2O3/ZnO Prepared by Microwave-assisted Hydrothermal Method Ave-Assisted Hydrothermal Method
(2019)
Pāvels Rodionovs, Jānis Grabis
Conference paper
ZnO Photocatalysts Modified with Eu2O3 and Sm2O3
(2019)
Pāvels Rodionovs, Jānis Grabis
Conference paper
Synthesis and Spark Plasma Sintering of Nanosized Refractory Carbide/Nitride Powders
(2019)
Ilmārs Zālīte, Anita Letlena, Ints Šteins, Aija Krūmiņa, Māra Lubāne, Jānis Grabis
Conference paper
Preparation of Au, Pt, Pd and Ag Doped TiO2 Nanofibers and Their Photocatalytic Properties under LED Illumination
(2018)
Reinis Drunka, Jānis Grabis, Aija Krūmiņa
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Characteristics of Sintered Materials Obtained from Ferrite Nanopowders Synthesised with Different Methods
(2018)
Ilmārs Zālīte, Gundega Heidemane, Aija Krūmiņa, Dzintra Ārija Rašmane, Jānis Grabis, Mikhail Maiorov
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
The Synthesis and Characterization of Nickel and Cobalt Ferrite Nanopowders Obtained by Different Methods
(2018)
Ilmārs Zālīte, Gundega Heidemane, Jānis Grabis, Mikhail Maiorov
Article in a collection of scientific publications or a chapter in a monograph indexed in SCOPUS or WOS database
Synthesis and Vibration Spectroscopy of Nano-Sized Manganese Oxides
(2018)
Ņina Mironova-Ulmane, A. Kuzmin, V. Skvortsova, G. Chikvaidze, I. Sildos, Jānis Grabis, Dzidra Jankoviča, Antonija Dindune, M. Maiorov
Scientific article indexed in SCOPUS or WOS database
Characteristics and Sinterability of Ceria Stabilized Zirconia Nanoparticles Prepared by Chemical Methods
(2018)
Jānis Grabis, Dzidra Jankoviča, Ints Šteins, Māra Lubāne, Inta Sīpola
Scientific article indexed in SCOPUS or WOS database

Patents
5 items found, displaying 1 to 5.
A method for producing ferrite nanoparticles for polymeric nano-composites
LV14624B (20.03.2013.)
Ilmārs Zālīte, Jānis Grabis, Ēriks Palčevskis, Māris Kodols, Jānis Zicāns, Remo Merijs-Meri, Juris Bitenieks, Ivans Bočkovs
Oxide ceramics characterized by elevated strength
LV14556B (20.12.2012.)
Gaida Maruta Sedmale, Ingunda Šperberga, Ints Šteins, Jānis Grabis
The method of glyceric acid preparation and catalyst for its realization
LV13956B (20.11.2009.)
Valdis Kampars, Svetlana Čornaja, Jānis Grabis, Dzidra Jankoviča, olga Muravjova, Svetlana Žižkuna, Rūta Kampare, Konstantīns Dubencovs
Method of sunlight active zinc oxide-titanium oxide thin film preparation
LV15497B (20.06.2021.)
Jānis Grabis, Anita Letlena, Dzidra Jankoviča, Ilmārs Zālīte, Reinis Drunka, Pāvels Rodionovs
Oxygen gas sensor
EP3121589B1 (07.03.2018.)
Baiba Bērziņa, Laima Trinkler, Valdis Korsaks, Jānis Grabis

Technology Offers
1 items found, displaying 1 to 1.
Active under the sunlight nanostructured TiO2-ZnO photocatalysts for environmental problem solving
2019
Jānis Grabis, Reinis Drunka, Dzidra Jankoviča, Anita Letlena, Ints Šteins, Gundega Heidemane, Pāvels Rodionovs

Supervised Dissertations
3 items found, displaying 1 to 3.
The Development of the Synthesis Technology of Active Tungstate Photocatalysts
(2015)
Māris Kodols
Doctoral Thesis
Elaboration of Sintering Technology of Silicon Nitride Based Nanocomposites
(2011)
Nataļja Žilinska
Doctoral Thesis
Synthesis of Ceramic Powders in the Al2O3 - SiO2 - ZrO2(Y2O3) System and Production of Materials
(2011)
Aleksejs Hmeļovs
Doctoral Thesis

Projects
18 items found, displaying 1 to 18.
Atbalsts RTU doktora studiju īstenošanai
Citi
Lauris Bisenieks
Augsttemperatūras sintēzes laboratorija (34-14N02-N8197)
Valdis Kokars
Augsttemperatūras sintēzes laboratorija (34-14N02-Z7010.14N02)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14010-N7049.10)
Kārlis-Agris Gross
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04- DOK.BZPL/20)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04-LV8857)
Citi
Jānis Grabis
Biomateriālu zinātniskās pētniecības laboratorija (34-14N04-Z18/1-0432)
Kārlis-Agris Gross
Cēsu filiāle (34-02800-Y8082.1.1)
Alvis Sokolovs
Elektroķīmijas laboratorija (34-14N03-N8198)
Valdis Kokars
Neorganiskās ķīmijas institūts (34-14N00-L8691)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-L8800)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-L8900.1)
Citi
Jānis Grabis
Neorganiskās ķīmijas institūts (34-14N00-N8180)
Tālis Juhna
Plazmas procesu laboratorija (34-14N01-N8196)
Valdis Kokars
Saules gaismā aktīvu fiksētu TiO2-ZnO sistēmas fotokatalizatoru izstrāde
Citi
Jānis Grabis
Smago metālu jonu izdalīšana no notekūdeņiem un to dūņām izmantojot elektrodialīzi caur šķidrām membrānām
Citi
Tatiana Sadyrbaeva
Uz stimuliem reaģējoša transdermāla zāļu piegādes sistēma
Citi
Jānis Grabis
Zinātņu prorektora dienests (34-04000-04000.N)
Tālis Juhna
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