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Journal articles on the topic 'Hafnia'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Yashima, Masatomo, Taka-aki Kato, Masato Kakihana, Mehmet Ali Gulgun, Yohtaro Matsuo, and Masahiro Yoshimura. "Crystallization of hafnia and zirconia during the pyrolysis of acetate gels." Journal of Materials Research 12, no. 10 (October 1997): 2575–83. http://dx.doi.org/10.1557/jmr.1997.0342.

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Hafnia and zirconia gels were prepared by drying hafnyl or zirconyl acetate solutions. Hafnia and zirconia gels contain both hydroxyl group and bidentate acetates which are directly bonded to the metal ions. Thermal decomposition and crystallization behavior of the gels were investigated through XRD, FT-IR, and TEM. Hafnium-containing gels crystallized directly into stable monoclinic hafnia around 500–540 °C, while zirconium-containing gels first formed metastable tetragonal zirconia around 450 °C. The dissimilar crystallization behavior of the gels into metastable, tetragonal zirconia or into stable, monoclinic hafnia can be explained through the difference in free-energy changes of the tetragonal-to-monoclinic phase transformation.

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2

Wang, J., H. P. Li, and R. Stevens. "Hafnia and hafnia-toughened ceramics." Journal of Materials Science 27, no. 20 (January 1, 1992): 5397–430. http://dx.doi.org/10.1007/bf00541601.

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3

Janda, J. Michael, and Sharon L. Abbott. "The Genus Hafnia: from Soup to Nuts." Clinical Microbiology Reviews 19, no. 1 (January 2006): 12–28. http://dx.doi.org/10.1128/cmr.19.1.12-28.2006.

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SUMMARY The genus Hafnia, a member of the family Enterobacteriaceae, consists of gram-negative bacteria that are occasionally implicated in both intestinal and extraintestinal infections in humans. Despite the fact that the genus currently contains only a single species (H. alvei), more extensive phylogenetic depth (two or more species) is apparent based upon DNA relatedness and 16S rRNA gene sequencing studies. Hafnia causes a variety of systemic infections, including septicemia and pneumonia; however, its role as a gastrointestinal pathogen is controversial. Many of the data supporting a role for hafniae as enteric pathogens were incorrectly attributed to this genus rather than to the actual pathogen, Escherichia albertii. There are numerous gaps in our understanding of this genus, including ecologic habitats and population genetics, disease-producing role in animals, phenetic and genetic methods useful in distinguishing genomospecies within the H. alvei complex, and bona fide pathogenicity factors.

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4

Nikishina, E. E., E. N. Lebedeva, and D. V. Drobot. "ZIRCONIUM AND HAFNIUM DIOXIDES DOPED BY OXIDES OF YTTRIUM, SCANDIUM AND ERBIUM: NEW METHODS OF SYNTHESIS AND PROPERTIES." Fine Chemical Technologies 13, no. 5 (October 28, 2018): 30–37. http://dx.doi.org/10.32362/2410-6593-2018-13-5-30-37.

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The results of elaborating a method for the synthesis of zirconia and hafnia doped by rare earths (yttrium, erbium and scandium) by using low-hydrated hydroxides of zirconium and hafnium as precursors are reported. The low-hydrated zirconium and hafnium hydroxides were prepared using the heterophase reaction. The physicochemical properties (including sorption properties) of low-hydrated zirconium and hafnium hydroxides ZrxHf1-x(OH)3÷1O0.5÷1.5·0.9÷2.9H2Owere studied. The scheme of thermal decomposition of low-hydrated hydroxides in air was determined. The sorption properties of the low-hydrated hafnium hydroxide are less pronounced owing to the lower amount of sorption centers, in this case, hydroxo and aqua groups. The sequence of stages of thermal decomposition of rare earth acetates was elucidated. Single-phase zirconia and hafnia doped by rare earths (yttrium, erbium and scandium) were obtained. The parameters of the elementary lattice were calculated for each phase. It was established that the stabilization of zirconium dioxide with yttria leads to the formation of interstitial solid solutions based on tetragonal zirconia (in the case of the composition Y2O3×4ZrO2 - cubic modification), with erbium oxide - interstitial solid solutions based on cubic zirconia; with scandium oxide - solid solutions based on tetragonal zirconia. The article presents the results of measuring electrical conductivity.

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5

Klapholz, Ari, Klaus-Dieter Lessnau, Benson Huang, Wilfredo Talavera, and John F. Boyle. "Hafnia alvei." Chest 105, no. 4 (April 1994): 1098–100. http://dx.doi.org/10.1378/chest.105.4.1098.

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6

O'Hara, Andrew, Gennadi Bersuker, and Alexander A. Demkov. "Assessing hafnium on hafnia as an oxygen getter." Journal of Applied Physics 115, no. 18 (May 14, 2014): 183703. http://dx.doi.org/10.1063/1.4876262.

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7

Gu, Zhengquan, Yongqin Liu, Liang Shen, Xiaobo Liu, Na Xiao, Nianzhi Jiao, Hongcan Liu, Yuguang Zhou, and Shuhong Zhang. "Hafnia psychrotolerans sp. nov., isolated from lake water." International Journal of Systematic and Evolutionary Microbiology 65, Pt_3 (March 1, 2015): 971–74. http://dx.doi.org/10.1099/ijs.0.000049.

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A psychrotolerant, Gram-stain-negative, motile, aerobic, peritrichous bacterium, strain DJC1-1T, was isolated from Lake Dajiaco, Tibetan Plateau, China. The strain was negative for citrate utilization, lipase activity and α-glucosidase, but positive for the Voges–Proskauer reaction and N-acetyl-β-glucosaminidase. 16S rRNA gene sequence analysis indicated that Hafnia paralvei ATCC 29927T, Hafnia alvei ATCC 13337T, Serratia grimesii DSM 30063T and Serratia plymuthica DSM 4540T were the closest relatives of strain DJC1-1T, with similarities of 97.76, 96.80, 97.71 and 97.58 %, respectively. The DNA G+C content of strain DJC1-1T was 53.9 mol%. The predominant fatty acids were C16 : 0 and C17 : 0 cyclo. Based on these characteristics, strain DJC1-1T can be assigned to the genus Hafnia . In DNA–DNA hybridization tests, strain DJC1-1T shared 50.6, 35.1, 36.5 and 18.1 % DNA–DNA relatedness with the type strains of H. paralvei , H. alvei , S. grimesii and S. plymuthica , respectively. The growth temperature ranged from 0 to 40 °C, with optimum growth at 15 °C. Physiological and biochemical tests differentiated strain DJC1-1T from the type strains of recognized species of the genus Hafnia . Therefore, strain DJC1-1T is identified as representing a novel species of the genus Hafnia, for which the name Hafnia psychrotolerans sp. nov. is proposed. The type strain is DJC1-1T ( = JCM 30077T = CGMCC1.12806T).

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8

Matović, Branko, Dušan Bučevac, Vesna Maksimović, Snežana Nenadović, Jelena Pantić, Devendraprakash Gautam, and Toyohiko Yano. "Synthesis and Characterization of Hafnium Carbide Based Ceramics." Key Engineering Materials 616 (June 2014): 1–7. http://dx.doi.org/10.4028/www.scientific.net/kem.616.1.

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Hafnium carbide powder was synthesized by sol-gel polycondensation of hafnium chloride with citric acid. The starting materials were dissolved in water and mixed homogeneously on a hot plate until a precomposite gel was formed. Pyrolysis of the obtained gel resulted in formation of monoclinic hafnia and amorphous carbon, which after subsequent heat treatment transformed into hafnium carbide. Materials were analyzed by means of X-ray diffraction and electron microscopy investigations. The results showed that the obtained carbide powder was composed of nearly equiaxed particles of narrow size distribution. The obtained hafnium carbide powder was densified via spark plasma sintering (SPS) at 1950 oC using molybdenun silicide as sintering additive. Microstructure and mechanical properties of the obtained hafnium carbide ceramics were investigated.

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9

Ginsberg, Harley G. "Hafnia alvel Infection." Southern Medical Journal 83, no. 9 (September 1990): 1109. http://dx.doi.org/10.1097/00007611-199009000-00033.

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10

Bastow, Timothy J., Mark E. Smith, and Harold J. Whitfield. "17O NMR investigation of hafnia and ternary hafnium oxides." Journal of Materials Chemistry 6, no. 12 (1996): 1951. http://dx.doi.org/10.1039/jm9960601951.

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11

Savini, Vincenzo, Angela Valentina Argentieri, Roberta Marrollo, Edoardo Carretto, Paolo Fazii, Domenico D’Antonio, and Geert Huys. "The Italian Hafnia alvei strain LMG 27376 is Hafnia paralvei." Veterinary Microbiology 167, no. 3-4 (December 2013): 742–43. http://dx.doi.org/10.1016/j.vetmic.2013.07.026.

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12

Palmeri, J., P. Blanc, A. Larbot, and P. David. "Hafnia ceramic nanofiltration membranes." Journal of Membrane Science 179, no. 1-2 (November 2000): 243–66. http://dx.doi.org/10.1016/s0376-7388(00)00510-x.

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13

Rodríguez, Eugenio, José Antonio Prieto, Jordi Bugés, and M. a. Teresa Bastida. "Empiema por Hafnia alvei." Medicina Clínica 114, no. 3 (January 2000): 119. http://dx.doi.org/10.1016/s0025-7753(00)71214-0.

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14

Ramos-Vivas, José. "Microbiología de Hafnia alvei." Enfermedades Infecciosas y Microbiología Clínica 38 (January 2020): 1–6. http://dx.doi.org/10.1016/j.eimc.2020.02.001.

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15

Mikolajick, Thomas, and Uwe Schroeder. "Ferroelectricity in bulk hafnia." Nature Materials 20, no. 6 (January 25, 2021): 718–19. http://dx.doi.org/10.1038/s41563-020-00914-z.

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16

Dasmahapatra, Atreyi, and Peter Kroll. "Structure and thermodynamic properties of hafnia–silica glasses with low hafnia content." Journal of Non-Crystalline Solids 416 (May 2015): 14–20. http://dx.doi.org/10.1016/j.jnoncrysol.2015.02.022.

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17

Huys, Geert, Margo Cnockaert, Sharon L. Abbott, J. Michael Janda, and Peter Vandamme. "Hafnia paralvei sp. nov., formerly known as Hafnia alvei hybridization group 2." International Journal of Systematic and Evolutionary Microbiology 60, no. 8 (August 1, 2010): 1725–28. http://dx.doi.org/10.1099/ijs.0.018606-0.

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It has been shown previously, based largely on DNA–DNA hybridizations and partial 16S rRNA gene sequencing, that Hafnia alvei is genotypically heterogeneous and consists of at least two DNA hybridization groups (HGs). In the present study, the taxonomic status of H. alvei HGs 1 and 2 was reassessed. A panel of 24 reference strains and isolates previously assigned to one of the two HGs in H. alvei was subjected to (GTG)5-PCR fingerprinting; this resulted in the delineation of two (GTG)5-PCR clusters in perfect accordance with the respective HG designations. Based on full 16S rRNA gene sequencing of a selection of reference strains, H. alvei HGs 1 and 2 showed internal sequence similarities of 99.8 and 99.5 %, respectively. Between the two groups, sequence similarities ranged from 98.8 to 99.1 %. Mean DNA–DNA hybridization values of 74.7–99.9 % were obtained within each of the two HGs, whereas cross-hybridizations between members of H. alvei HG 1 (including ATCC 13337T) and HG 2 revealed only 32.7–48.7 % DNA–DNA hybridization. Previously published and new phenotypic data revealed that a combination of malonate assimilation and β-glucosidase activity enabled correct assignment of Hafnia isolates to one of the two HGs. Collectively, taxonomic data from this study confirm that H. alvei comprises at least two taxa at the species level, of which HG 1 corresponds to H. alvei sensu stricto because it includes the type strain ATCC 13337T. Strains formerly classified as members of H. alvei HG 2 represent a novel species, for which the name Hafnia paralvei sp. nov. is proposed; ATCC 29927T (=CDC 4510-73T =LMG 24706T), the former reference strain of H. alvei HG 2, is designated the type strain.

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18

Xiao, Hai Zhu, Fei Ye, Da Yu Zhou, and Fei Ming Bai. "Structural Transformation Relationship for Hafnia Ferroelectric Phase." Advanced Materials Research 873 (December 2013): 865–70. http://dx.doi.org/10.4028/www.scientific.net/amr.873.865.

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The ferroelectricity of hafnia-based thin films with a dominant phase of orthorhombic Pca21has been reported. However, the relationship of structural transformations between the orthorhombic Pca21and other hafnia structures remains unclear. In this work, all the structures have been optimized. Then, the fluorite-related structures have been used to analyze the structural relationship. Calculations of the lattice energies and the relative atomic displacements between the structures suggest that the Pca21phase may originate from the P42/nmc or Pbca phases.

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19

Fonseca, L. R. C., PY Prodhomme, and P. Blaise. "Bridging Electrical and Structural Interface Properties: a Combined DFT-GW Approach." Journal of Integrated Circuits and Systems 2, no. 2 (November 18, 2007): 94–103. http://dx.doi.org/10.29292/jics.v2i2.273.

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The selection of a proper metal for replacement of polycrystalline silicon as the metal gate in future generation transistors has been hampered by pinning of the metal Fermi level at the metal/dielectric interface. Using monoclinic hafnia and zirconia as the gate dielectric we compare three different metal gate/gate dielectric interface structures where the oxygen affinity of the metal gate varies from low to high under normal processing conditions. For each of the metal gate/gate dielectric combination we considered a number of interface stoichiometries and tried to identify the most likely interface composition by comparing the calculated and measured valence band offsets (VBO). Because density functional theory (DFT) underestimates the dielectric band gap, it also underestimates the VBO thus requiring a correction to the band edges, which we accomplished using GW for cubic and monoclinic hafnia. Our GW shift value for monoclinic hafnia (0.3 eV) indicates mostly reduced interfaces in all metal/dielectric combinations considered.

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20

Shou, Dai, Ding Shan Ruan, and Feng Hou. "Fabrication of the SiOC/HfO₂ Ceramic Composites by the Sol-Gel Method." Key Engineering Materials 512-515 (June 2012): 912–15. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.912.

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In this paper, Hf element was introduced into the Si-O-C network by the sol-gel method using the dimethyldiethoxysiloxane (DMDES, (CH3)2Si(OC2H5)2) and hafnium tetra(n-butoxide) (HfOR, Hf(OC4H9)4) as raw materials. The SiOC/HfO2 ceramic composite was obtained by pyrolyzing Si-Hf-O-C gel at 1000 °C in argon. FT-IR spectra revealed the presence of Si-O-Hf peaks at 932 cm-1. The weight loss of the as-prepared SiOC/HfO2 was about 0.2 wt.% under argon atmorsphere up to 1550 °C, which was much lower than the hafnia-free SiOC composites and exhibited a remarkable improved thermal stability.

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21

Thomson, K. S., C. C. Sanders, and J. A. Washington. "Ceftazidime resistance in Hafnia alvei." Antimicrobial Agents and Chemotherapy 37, no. 6 (June 1, 1993): 1375–76. http://dx.doi.org/10.1128/aac.37.6.1375.

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22

Fazal, B. A., J. E. Justman, G. S. Turett, and E. E. Telzak. "Community-Acquired Hafnia alvei Infection." Clinical Infectious Diseases 24, no. 3 (March 1, 1997): 527–28. http://dx.doi.org/10.1093/clinids/24.3.527.

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23

Nieminen, R. M., M. H. Hakala, and A. S. Foster. "Modeling the silicon–hafnia interface." Materials Science in Semiconductor Processing 9, no. 6 (December 2006): 928–33. http://dx.doi.org/10.1016/j.mssp.2006.10.010.

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24

Glushkova, V. B., T. I. Panova, and L. I. Podzorova. "Ceramics based on monoclinic hafnia." Glass Physics and Chemistry 32, no. 2 (March 2006): 238–42. http://dx.doi.org/10.1134/s1087659606020180.

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25

Ivanov, V. K., G. P. Kopitsa, A. E. Baranchikov, M. Sharp, and Yu D. Tret’yakov. "Mesostructure of hydrated hafnia xerogels." Doklady Chemistry 427, no. 1 (July 2009): 160–63. http://dx.doi.org/10.1134/s0012500809070040.

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26

Hunter, O., R. W. Scheidecker, and Setsuo Tojo. "Characterization of metastable tetragonal hafnia." Ceramics International 11, no. 4 (October 1985): 140. http://dx.doi.org/10.1016/0272-8842(85)90157-9.

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27

Lugowski, C., T. Niedziela, W. Jachymek, A. Klonowska, A. Czarny, S. Rowiński, C. Petersson, and L. Kenne. "Structural and serological characterization of Hafnia alvei lipopolysaccharide core region." Acta Biochimica Polonica 42, no. 1 (March 31, 1995): 51–54. http://dx.doi.org/10.18388/abp.1995_4667.

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The structures and serological activities of core oligosaccharide of Hafnia alvei strains have been investigated. Methylation analysis, NMR spectroscopy and various specific degradation procedures were the principal methods used. It is concluded that, core hexasaccharides are identical in the lipopolysaccharides tested and are built of two glucose, three heptose and one 2-keto-3-deoxyoctulosonic acid residues. The antiserum raised against the ATCC13337 oligosaccharide core-tetanus toxoid conjugate cross-reacted strongly with all lipopolysaccharides used as antigens in ELISA test, suggesting that this core region is the common structure in the Hafnia genus.

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28

Padilla, Daniel, Sara Remuzgo-Martínez, Felix Acosta, and Jose Ramos-Vivas. "Hafnia alvei and Hafnia paralvei. Taxonomy defined but still far from virulence and pathogenicity." Veterinary Microbiology 163, no. 1-2 (April 2013): 200–201. http://dx.doi.org/10.1016/j.vetmic.2012.11.041.

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29

Kingsbury, G. W. J., and R. B. Temple. "The spectrographic determination of hafnia in mixtures of hafnium and zirconium oxides." Journal of Applied Chemistry 1, no. 9 (May 4, 2007): 406–11. http://dx.doi.org/10.1002/jctb.5010010907.

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30

Stevanovic, Igor, Zoltán Balogh-Michels, Andreas Bächli, Valentin J. Wittwer, Thomas Südmeyer, Alexander Stuck, and Thomas Gischkat. "Influence of the Secondary Ion Beam Source on the Laser Damage Mechanism and Stress Evolution of IBS Hafnia Layers." Applied Sciences 11, no. 1 (December 28, 2020): 189. http://dx.doi.org/10.3390/app11010189.

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Ion beam sputtered hafnia is a preferred high index coating material for laser applications. It exhibits a mostly amorphous structure and an adequate laser-induced damage (LIDT) threshold. In this work, we investigated the influence of an assisting ion source on the film stress as well as the LIDT of the sputtered hafnia layers. The stress increases with an increasing ion energy of the assisting ion beam. We identified a maximum compressive stress of 3–3.5 GPa before the film cracks, blisters, and delaminates. Different states of stress lead to different laser-induced damage thresholds and damage morphologies.

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31

Park, M. H., T. Schenk, C. M. Fancher, E. D. Grimley, C. Zhou, C. Richter, J. M. LeBeau, J. L. Jones, T. Mikolajick, and U. Schroeder. "A comprehensive study on the structural evolution of HfO2 thin films doped with various dopants." Journal of Materials Chemistry C 5, no. 19 (2017): 4677–90. http://dx.doi.org/10.1039/c7tc01200d.

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32

Abbott, Sharon L., Silvia Moler, Nicole Green, Robert K. Tran, Katlyn Wainwright, and J. Michael Janda. "Clinical and Laboratory Diagnostic Characteristics and Cytotoxigenic Potential of Hafnia alvei and Hafnia paralvei Strains." Journal of Clinical Microbiology 49, no. 9 (July 27, 2011): 3122–26. http://dx.doi.org/10.1128/jcm.00866-11.

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33

Réjasse, Florian, Gilles Trolliard, Olivier Rapaud, Alexandre Maître, and Jérémy David. "TEM study of the reaction mechanisms involved in the carbothermal reduction of hafnia." RSC Advances 5, no. 56 (2015): 45341–50. http://dx.doi.org/10.1039/c5ra02190a.

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34

Kim, Byung-Kook, and Hiro-o. Hamaguchi. "Raman spectrum of 18O-labelled Hafnia." Materials Research Bulletin 32, no. 10 (October 1997): 1367–70. http://dx.doi.org/10.1016/s0025-5408(97)00114-1.

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35

Fernández Peláez, Juan M., Manuel Vives Soto, Herminia Marqueño Ortega, and Ignacio Goig Abarca. "Peritonitis bacteriana espontánea por Hafnia alvei." Medicina Clínica 116, no. 11 (January 2001): 437. http://dx.doi.org/10.1016/s0025-7753(01)71857-x.

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36

Ferris, Louise, Mark Allwes, Lucian Diamandescu, Alice Perrin, Michael McHenry, and Monica Sorescu. "Fundamental studies of hafnia-hematite nanoparticles." Journal of Physics and Chemistry of Solids 145 (October 2020): 109567. http://dx.doi.org/10.1016/j.jpcs.2020.109567.

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37

Kiisk, Valter, Sven Lange, Kathriin Utt, Tanel Tätte, Hugo Mändar, and Ilmo Sildos. "Photoluminescence of sol–gel-prepared hafnia." Physica B: Condensed Matter 405, no. 2 (January 2010): 758–62. http://dx.doi.org/10.1016/j.physb.2009.09.101.

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38

Srinivasan, Ram, and Burtron H. Davis. "Crystallization Exotherms of Zirconia-Hafnia Mixtures." Journal of the American Ceramic Society 73, no. 6 (June 1990): 1780–82. http://dx.doi.org/10.1111/j.1151-2916.1990.tb09833.x.

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39

Agustin, E. T., and B. A. Cunha. "Buttock Abscess Due to Hafnia alvei." Clinical Infectious Diseases 20, no. 5 (May 1, 1995): 1426. http://dx.doi.org/10.1093/clinids/20.5.1426.

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40

Joseph W., B., E. A. Dominguez, and L. C. Preheim. "Hafnia alvei Infection After Liver Transplantation." Clinical Infectious Diseases 24, no. 6 (June 1, 1997): 1263–64. http://dx.doi.org/10.1093/clinids/24.6.1263.

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41

Golosov, D. A., S. M. Zavadski, S. N. Melnikov, and N. Villa. "Dielectric Characteristics of Hafnia Thin Films." Nanotechnologies in Russia 12, no. 9-10 (September 2017): 529–33. http://dx.doi.org/10.1134/s1995078017050020.

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42

Simoncic, Petra, and Alexandra Navrotsky. "Energetics of rare-earth-doped hafnia." Journal of Materials Research 22, no. 4 (April 2007): 876–85. http://dx.doi.org/10.1557/jmr.2007.0133.

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The enthalpies of formation of rare-earth (RE)-doped Hf1−xRExO2−x/2 solid solutions (RE = Sm, Gd, Dy, Yb; x = 0.25 to 0.62) with respect to the oxide end members, monoclinic HfO2 and C-type REO1.5, were determined using oxide melt solution calorimetry. The enthalpies of formation fit a function quadratic in composition. The strongly negative interaction parameters in all solid solutions confirm a strong tendency for short-range order. Though strongly negative for all systems, the interaction parameters become less negative with increasing ionic potential (decreasing RE radius). Crystallization energetics were investigated for amorphous coprecipitation products with x = 0.4. The energy difference between the crystalline (fluorite and pyrochlore) and amorphous phases decreases with decreasing dopant radius. This suggests that systems doped with small RE ions have more similar local structures in the fluorite and amorphous phases. These observations may result in a smaller kinetic barrier to recrystallization and account for the greater radiation resistance of materials with smaller RE cations.

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43

Fukushima, Akinori, Masato Senami, Yasushi Tsuchida, and Akitomo Tachibana. "Local Dielectric Property of Cubic Hafnia." Japanese Journal of Applied Physics 49, no. 11 (November 22, 2010): 111504. http://dx.doi.org/10.1143/jjap.49.111504.

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44

Funkenbusch, Eric F., Ross H. Plovnick, and Paul F. Becher. "Properties of Zirconia-Ceria-Hafnia Alloys." Journal of the American Ceramic Society 76, no. 6 (June 1993): 1531–36. http://dx.doi.org/10.1111/j.1151-2916.1993.tb03935.x.

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45

Proietti, Patrizia Casagrande, Fabrizio Passamonti, Maria Pia Franciosini, and Giampaolo Asdrubali. "Hafnia alveiinfection in pullets in Italy." Avian Pathology 33, no. 2 (April 2004): 200–204. http://dx.doi.org/10.1080/0307945042000195830.

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46

Savini, Vincenzo, Chiara Catavitello, Marzia Talia, Andrea Balbinot, Fabio Febbo, Arianna Pompilio, Giovanni Di Bonaventura, Raffaele Piccolomini, and Domenico D'Antonio. "Isolation of colistin-resistant Hafnia alvei." Journal of Medical Microbiology 58, no. 2 (February 1, 2009): 278–80. http://dx.doi.org/10.1099/jmm.0.001321-0.

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Ayala, Alejandro, Alberto López-Garcia, A. G. Leyva, and M. A. R. de Benyacar. "Stabilization of β-Bi2O3 by hafnia." Solid State Communications 99, no. 6 (August 1996): 451–55. http://dx.doi.org/10.1016/0038-1098(96)00237-2.

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Ramos, A., and D. Dámaso. "Extraintestinal Infection due to Hafnia alvei." European Journal of Clinical Microbiology & Infectious Diseases 19, no. 9 (October 5, 2000): 708–10. http://dx.doi.org/10.1007/s100960000356.

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Park, Min Hyuk, Young Hwan Lee, Han Joon Kim, Tony Schenk, Woongkyu Lee, Keum Do Kim, Franz P. G. Fengler, Thomas Mikolajick, Uwe Schroeder, and Cheol Seong Hwang. "Surface and grain boundary energy as the key enabler of ferroelectricity in nanoscale hafnia-zirconia: a comparison of model and experiment." Nanoscale 9, no. 28 (2017): 9973–86. http://dx.doi.org/10.1039/c7nr02121f.

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Almomani, M. A., and C. R. Aita. "Pitting corrosion protection of stainless steel by sputter deposited hafnia, alumina, and hafnia-alumina nanolaminate films." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 27, no. 3 (May 2009): 449–55. http://dx.doi.org/10.1116/1.3100216.

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