Relevant bibliographies by topics / TiO2 polymorphs

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'TiO2 polymorphs'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "TiO2 polymorphs"

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Eddy, Diana Rakhmawaty, Muhamad Diki Permana, Lintang Kumoro Sakti, et al. "Heterophase Polymorph of TiO2 (Anatase, Rutile, Brookite, TiO2 (B)) for Efficient Photocatalyst: Fabrication and Activity." Nanomaterials 13, no. 4 (2023): 704. http://dx.doi.org/10.3390/nano13040704.

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TiO2 exists naturally in three crystalline forms: anatase, rutile, brookite, and TiO2 (B). These polymorphs exhibit different properties and consequently different photocatalytic performances. This paper aims to clarify the differences between titanium dioxide polymorphs, and the differences in homophase, biphase, and triphase properties in various photocatalytic applications. However, homophase TiO2 has various disadvantages such as high recombination rates and low adsorption capacity. Meanwhile, TiO2 heterophase can effectively stimulate electron transfer from one phase to another causing su
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Dima, Ratshilumela S., Lutendo Phuthu, Nnditshedzeni E. Maluta, Joseph K. Kirui, and Rapela R. Maphanga. "Electronic, Structural, and Optical Properties of Mono-Doped and Co-Doped (210) TiO2 Brookite Surfaces for Application in Dye-Sensitized Solar Cells—A First Principles Study." Materials 14, no. 14 (2021): 3918. http://dx.doi.org/10.3390/ma14143918.

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Titanium dioxide (TiO2) polymorphs have recently gained a lot of attention in dye-sensitized solar cells (DSSCs). The brookite polymorph, among other TiO2 polymorphs, is now becoming the focus of research in DSSC applications, despite the difficulties in obtaining it as a pure phase experimentally. The current theoretical study used different nonmetals (C, S and N) and (C-S, C-N and S-N) as dopants and co-dopants, respectively, to investigate the effects of mono-doping and co-doping on the electronic, structural, and optical structure properties of (210) TiO2 brookite surfaces, which is the mo
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Serga, Vera, Regina Burve, Aija Krumina, Marina Romanova, Eugene A. Kotomin, and Anatoli I. Popov. "Extraction–Pyrolytic Method for TiO2 Polymorphs Production." Crystals 11, no. 4 (2021): 431. http://dx.doi.org/10.3390/cryst11040431.

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The unique properties and numerous applications of nanocrystalline titanium dioxide (TiO2) are stimulating research on improving the existing and developing new titanium dioxide synthesis methods. In this work, we demonstrate for the first time the possibilities of the extraction–pyrolytic method (EPM) for the production of nanocrystalline TiO2 powders. A titanium-containing precursor (extract) was prepared by liquid–liquid extraction using valeric acid C4H9COOH without diluent as an extractant. Simultaneous thermogravimetric analysis and differential scanning calorimetry (TGA–DSC), as well as
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Poleti, Dejan, Ljiljana Karanovic, Miodrag Zdujic, and Cedomir Jovalekic. "Phase composition of Bi2O3 specimens doped with Ti, Zr and Hf." Journal of the Serbian Chemical Society 77, no. 8 (2012): 1091–96. http://dx.doi.org/10.2298/jsc110914215p.

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Powder mixtures of ?-Bi2O3 containing 2, 5 and 10 mole % of TiO2, ZrO2 or HfO2 were homogenized, heated at 820?C for 24 h and quenched in air. X-ray powder diffraction technique was used to characterize the prepared samples. In all cases metastable Bi2O3 polymorphs, ?-Bi2O3 or ?-Bi2O3, are found as single or major phases. Addition of Ti4+ ions stabilizes ?-Bi2O3 polymorph, while either Zr4+ or Hf4+ ions stabilize ?-Bi2O3 polymorph. In the samples with 2 and 5 mole % of TiO2 the presence of even two ?-Bi2O3 phases (Bi12TiO20 compound and a very low Ti-doped ?-Bi2O3) was established. Similarly,
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Basavaraj, K., Anupriya Nyayban, and Subhasis Panda. "Structural phase transitions and elastic properties of TiO2 polymorphs: Ab-initio study." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (2022): 012064. http://dx.doi.org/10.1088/1757-899x/1248/1/012064.

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Abstract TiO2 has tremendously drawn the attention of researchers from the photocatalytic to photovoltaic groups. To explore further avenues of applications, it is important to understand various properties and the phase transformations of TiO2 polymorphs at ambient conditions. The detailed study on the phase transitions (pressure induced) of the low-pressure polymorphs (rutile, anatase, brookite and columbite) of TiO2 is surprisingly missing in the literature. In view of the above, we have carried out ab-initio calculations on these four polymorphs of TiO2 using full potential linearized augm
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Song, Miao, Zexi Lu, and Dongsheng Li. "Phase transformations among TiO2 polymorphs." Nanoscale 12, no. 45 (2020): 23183–90. http://dx.doi.org/10.1039/d0nr06226j.

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Roni, Md Nahid Parvez, Tanvir Ahmed Neshath, Md Azizul Hakim та ін. "Optimizing β-Phase Content in PVDF Membranes via Modification of Dope Solution with Citric Acid/Nano-TiO2 Using Nonsolvent-Induced Phase Separation Method". Polymers 17, № 4 (2025): 481. https://doi.org/10.3390/polym17040481.

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The morphology of Poly (vinylidene fluoride) (PVDF) membranes prepared via the nonsolvent-induced phase separation (NIPS) method was modulated by altering the dope solution with citric acid (CA) and titanium dioxide nanoparticles (nano-TiO2) to optimize the β-phase content. Three series of dope solutions were prepared in dimethyl acetamide (DMAc): (i) TONx series contained 0.0–10% citric acid, (ii) Mx series contained 0.0–0.4% nano-TiO2, and (iii) TAx series contained 5% CA and 0.0–0.40% nano-TiO2. A field emission scanning electron microscopy (FESEM) study revealed that CA enhances pore openi
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Shi, Huili, Chaoyun Shi, Zhitong Jia, Long Zhang, Haifeng Wang, and Jingbo Chen. "Titanium dioxide-based anode materials for lithium-ion batteries: structure and synthesis." RSC Advances 12, no. 52 (2022): 33641–52. http://dx.doi.org/10.1039/d2ra05442f.

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In this paper, the structure of three TiO2 polymorphs are introduced, then the preparation and electrochemical properties of TiO2 with different morphologies and the related research on the composite with carbon and other materials are discussed.
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Nagy, Dávidné, Tamás Firkala, Eszter Drotár, Ágnes Szegedi, Krisztina László, and Imre Miklós Szilágyi. "Photocatalytic WO3/TiO2 nanowires: WO3 polymorphs influencing the atomic layer deposition of TiO2." RSC Advances 6, no. 98 (2016): 95369–77. http://dx.doi.org/10.1039/c6ra18899k.

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Asagoe, Keisuke, Supachai Ngamsinlapasathian, Yoshikazu Suzuki, and Susumu Yoshikawa. "Addition of TiO2 nanowires in different polymorphs for dye-sensitized solar cells." Open Chemistry 5, no. 2 (2007): 605–19. http://dx.doi.org/10.2478/s11532-007-0001-4.

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AbstractTiO2 (B) and TiO2 anatase nanowires were prepared at 150 °C for 120 h by a hydrothermal method followed by calcination in air at 400 °C for 2 h and at 700 °C for 2 h for TiO2 (B) and TiO2 anatase, respectively. Although dye-sensitized solar cells (DSC) with fully nanowire electrodes showed a rather low light-to-electricity conversion efficiency of 1.33 % for TiO2 (B) and 2.42% for TiO2 anatase, 10 wt % nanowire-dispersed electrodes in a P-25 TiO2-nanoparticle matrix demonstrated improved efficiency of 6.17 % for TiO2 (B) and 6.53% for TiO2 anatase, these exceeding that of pure P-25 ele
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Dissertations / Theses on the topic "TiO2 polymorphs"

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Deswaziere, Antoine. "Propriétés photo-électrochimiques de la brookite pour la photo-électrolyse de l’eau et comparaison aux autres phases de TiO2." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS298.

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La photo-électrolyse de l’eau est une alternative prometteuse pour décarboner la production mondiale de dihydrogène à partir de matériaux abondants à la surface terrestre, peu chers et non-toxiques comme le TiO2. Parmi tous ses polymorphes, seules les phases de rutile et d’anatase ont été étudiées : les propriétés de la brookite sont moins connues. Ici, nous présentons une approche particulaire, consistant à synthétiser des particules de TiO2 de phase pure, de taille et de morphologie choisies, puis de mettre en forme une photoanode à la microstructure contrôlée à partir de ces « briques éléme
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Zhang, Geshan. "The Degradation of Cyanotoxins by using Polymorphic Titanium Dioxide Based Catalysts." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1406810827.

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Spektor, Kristina. "Extreme water catalyzed transformations of SiO2, TiO2 and LiAlSiO4." Doctoral thesis, Stockholms universitet, Institutionen för material- och miljökemi (MMK), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-124010.

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The dramatic change in properties of water near its critical point (i.e. T = 374 °C and p = 22.1 MPa, note: 100 MPa = 0.1 GPa = 1 kbar ≈ 1000 atm) has been a subject of numerous studies and also lead to the development of various applications (e.g. in waste destruction, biomass processing, and the synthesis of advanced ceramic materials). However, comparatively little is known about the behavior of water at gigapascal pressures. The present study attempts to explore catalytical properties and reactivity of extreme water with respect to several oxide systems: SiO2, TiO2 and LiAlSiO4. “Extreme w
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Dantas, M?rcia Danielle de Ara?jo. "Estudo do genoma do v?rus causador da mionecrose infecciosa em camar?es e desenvolvimento de m?todos para detec??o de polimorfismos." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12630.

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Made available in DSpace on 2014-12-17T14:03:44Z (GMT). No. of bitstreams: 1 MarciaDAD_DISSERT.pdf: 4264187 bytes, checksum: 68a1d188a3ddcbd9b3e88211ae1a47e7 (MD5) Previous issue date: 2014-08-01<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Shrimp farming is one of the activities that contribute most to the growth of global aquaculture. However, this business has undergone significant economic losses due to the onset of viral diseases such as Infectious Myonecrosis (IMN). The IMN is already widespread throughout Northeastern Brazil and affects other countries such as I
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Li, Huei-wen, and 李惠雯. "Photodegradation of diethyl phthalate (DEP) by polymorphs TiO2 co-doped with PANi and CNT irradiated with visible light." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/894amc.

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Brás, Elisa Cristina Marçalo. "On the Tautomerism of 2-Mercaptoimidazoles and 2-Mercaptobenzimidazoles: A Low Temperature Matrix Isolation and Solid State Study." Master's thesis, 2017. http://hdl.handle.net/10316/83322.

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Dissertação de Mestrado em Química apresentada à Faculdade de Ciências e Tecnologia<br>Apesar da sua relevância em vários processos químicos, o tautomerismo tiona-tiol não tem sido alvo de muitas investigações. O trabalho apresentado nesta tese centra-se no do tautomerismo nas moléculas 2-mercaptoimidazol, 2-mercaptobenzimidazol e dos seus derivados de metil (1-metil-2-mercaptoimidazol e 1-metil-2-mercaptobenzimidazol). O tautomerismo fotoinduzido foi investigado através da técnica de espectroscopia de infravermelho com isolamento em matrizes criogénicas e métodos computacionais. Antes da irra
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Book chapters on the topic "TiO2 polymorphs"

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Christoforidis, Konstantinos C., and Paolo Fornasiero. "TiO2 polymorphs for hydrogen photoproduction." In Current Developments in Photocatalysis and Photocatalytic Materials. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-819000-5.00009-6.

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Mhadhbi, Mohsen, Houyem Abderazzak, and Barış Avar. "Synthesis and Properties of Titanium Dioxide Nanoparticles." In Updates on Titanium Dioxide [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111577.

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Natural titanium dioxide (TiO2) occurs in three distinct polymorphs (rutile, anatase, and brookite). Currently, TiO2 gained the attention of several researchers around the world. TiO2 is used in several applications because of its excellent properties (structural, optical, electrical, chemical, non toxic, etc.). Thus, the applications are influenced by its surface, size, morphology, and crystal phase. TiO2 as photocatalyst is widely used in energy and eco-friendly applications involving water purification, hydrogen production, phenol degradation, etc. The novelty of the present chapter lies in
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Dudziak, Szymon, Marta Kowalkińska, and Anna Zielińska-Jurek. "Crystal Facet Engineering of TiO2 from Theory to Application." In Updates on Titanium Dioxide [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.111565.

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Recently, the surface structure effect on photocatalytic activity has gathered increasing attention due to its reported influence on the charge carrier trapping and separation. Detailed control over the surface structure can be achieved by exposing the specific crystal facets. As a result, the photogenerated electrons and holes can be effectively separated between the different facets of semiconductor crystals. TiO2 is the most studied photocatalyst, with the particles exposing {0 0 1}, {1 0 0}, {1 0 1}, {1 1 0}, {1 1 1}, and {1 0 5} crystal facets. The performed studies have shown that the ef
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Elegbeleye, Ife, Eric Maluta, Regina Maphanga, Michael Walter, and Oliver Brügner. "Photoanode Applications of Polyene-Diphenylaniline Dyes Molecules Adsorbed on TiO2 Brookite Cluster." In Revolutionizing Energy Conversion - Photoelectrochemical Technologies and Their Role in Sustainability. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005450.

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TiO2 has excellent photoelectrochemical properties, which makes its suitable for photoanode applications. TiO2 is widely utilized as semiconductor for dye-sensitized photoanode owing to its excellent stability and availability. The brookite polymorph of TiO2 has been suggested to demonstrate better photocatalytic properties. In this work, we studied the adsorption of polyenediphenyl-aniline dyes on (TiO2) n = 8, 68 brookite clusters using density functional theory (DFT). We report our results on the UV–Vis absorption spectra of the dyes and dyes adsorbed on TiO2 clusters, adsorption energies o
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Ariyanti, Dessy, Aprilina Purbasari, Dina Lesdantina, Filicia Wicaksana, and Wei Gao. "Modified TiO2 Nanomaterials as Photocatalysts for Environmental Applications." In Food Sustainability, Environmental Awareness, and Adaptation and Mitigation Strategies for Developing Countries. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-5629-3.ch006.

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Since the water splitting breakthrough using semiconductor reported in 1972, titanium dioxide (TiO2) has been extensively investigated as a promising material used in broad range of research areas. TiO2 is a transition metal oxide semiconductor with three distinct polymorph crystalline structures. With that alone TiO2 established remarkable performance as photocatalyst for organic photodegradation in the irradiation of UV. However, improvement on the light absorption properties that support the excellent photocatalytic activity still needs to be pursued for wider environmental application. In
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Jolivet, Jean-Pierre. "Titanium, Manganese, and Zirconium Dioxides." In Metal Oxide Nanostructures Chemistry. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190928117.003.0011.

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The dioxides of titanium (TiO2), manganese (MnO2), and zirconium (ZrO2) are important materials because of their technological uses. TiO2 is used mainly as white pigment. Because of its semiconducting properties, TiO2, in its nanomaterial form, is also used as an active component of photocells and photocatalysis for self-cleaning glasses and cements . MnO2 is used primarily in electrode materials. ZrO2 is used in refractory ceramics, abrasive materials, and stabilized zirconia as ionic conductive materials stable at high temperature. Many of these properties are, of course, dependent on partic
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Smith, Moyra. "Advances In Genome Analysis: Discovery Of Structural Variation And Genomic Dosage Differences In Health And Disease." In Translational Researchin Genetics and Genomics. Oxford University PressNew York, NY, 2008. http://dx.doi.org/10.1093/oso/9780195313765.003.0002.

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Abstract Resources to search for genomic variation have rapidly expanded with availability of the genomic sequence, development of fluorescence-based genomic hybridization in analysis of chromosomes, and particularly through availability of microarray technologies. Comparative genomic hybridization using arrayed Bac clones with large inserts (approximately 170 kb) of human genomic DNA has been particularly informative. Structural genomic information is also becoming more intensely studied through use of oligonucleotide arrays and single nucleotide polymorphism (SNP) arrays (described below). O
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Girman, Derek J. "The Use of PCR-Based Single-Stranded Conformation Polymorphism Analysis (PCR-SSCP) in Conservation Genetics." In Molecular Genetic Approaches in Conservation. Oxford University PressNew York, NY, 1996. http://dx.doi.org/10.1093/oso/9780195095265.003.0011.

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Abstract The use of molecular markers to investigate the population structure of endangered or threatened species has become a key component in the genetic management of endangered species (see chapter 1). The identification of variable genetic loci has allowed the analysis of DNA sequence data to become one of the most useful measures of genetic differentiation, genetic variability, and evolutionary related¬ ness for conservation-oriented analysis at or below the species level (Wayne and Jenks, 1991; Wenink et al. 1993; Gottelli et al., 1994; Rosel et al., 1994; Taberlet and Bouvet, 1994; Tay
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Conference papers on the topic "TiO2 polymorphs"

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Siroha, Piyush, Davender Singh, Rakhi Soni, and Jitendra Gangwar. "Comparative study on crystallographic representation of transition metal oxides polymorphs nanomaterials using VESTA software: Case study on Fe2O3 and TiO2." In NATIONAL CONFERENCE ON RECENT ADVANCES IN EXPERIMENTAL AND THEORETICAL PHYSICS (RAETP-2018). Author(s), 2018. http://dx.doi.org/10.1063/1.5051294.

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Baranovskyi, Dmytro, Valerii Kolesnichenko, and Andrey Ragulya. "Calcination of metatitanic acid to nano-TiO₂ anatase." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-db1656.

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Titanium dioxide crystallizes in three polymorphic modifications: anatase, rutile, and brookite. While rutile is acknowledged as the most thermodynamically stable polymorph of TiO₂, anatase commands considerable attention owing to its photocatalytic prowess. This study is focused on the synthesis of anatase, which finds diverse applications. The chosen method involves the decomposition of metatitanic acid, esteemed for its procedural simplicity and reliability in titanium oxide synthesis. Titanium dioxide was synthesized utilizing a multi-section rotary furnace developed by the Frantsevich Ins
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Rizvi, Afsar H., Mohammad Azhar Aziz, F. Ali, and A. Ahmad. "Synthesis and characterization of different polymorph of TiO2-polyaniline nanocomposite for energy storage application." In 66TH DAE SOLID STATE PHYSICS SYMPOSIUM. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0178948.

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Mosko, Danielle, and Elizabeth Johnson. "USING RAMAN SPECTROSCOPY TO CHARACTERIZE TIO2 POLYMORPHS IN THE JMU MINERAL MUSEUM MICROMOUNT COLLECTION." In 74th Annual Meeting of the GSA Southeastern Section - 2025. Geological Society of America, 2025. https://doi.org/10.1130/abs/2025se-407264.

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Reports on the topic "TiO2 polymorphs"

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Adill, Anders. Ekologiska trender och prognoser i recipientområdet för Forsmarks kärnkraftverk. Institutionen för akvatiska resurser, Sveriges lantbruksuniversitet, 2023. http://dx.doi.org/10.54612/a.570suuv8lh.

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Forsmarks kärnkraftverk är en av Sveriges största elproducenter och utgörs av tre stycken kokvattenreaktorer. Vid elproduktionen i kärnkraftverket krävs enorma mängder havsvatten för kylning av processerna i reaktorerna. Kylvattnet tas in till kraftverket från Öregrundsgrepen via en kanal från Asphällafjärden. Brackvattnet innehåller levande organismer i form av bland annat alger, vattenvegetation, djurplankton och fisk. De största organismerna, bland annat vegetation och fisk, avskiljs från vattnet via stora bandsilar som sitter i kylvattenintaget till kraftverket. Periodvis kan mängden rensm
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