Results 1 to 10 of about 12,666 (244)
Advances of hafnium based nanomaterials for cancer theranostics [PDF]
Frontiers in Chemistry, 2023 Hafnium-based nanomaterials (Hf-NMs) have attracted the interest of numerous biomedical researchers by their unique properties. Recent years have witnessed significant advancements in the field of Hafnium-based nanomaterials, particularly in the context ...
Jiayi Wang +6 more
doaj +2 more sources
Oxygen diffusion saturation of hafnium with the different surface layer [PDF]
Ядерна фізика та енергетика, 2023 Hafnium is used for the production of control rods and protective screens in nuclear reactors after its hot plastic deformation and final thermochemical treatment.
V. S. Trush +4 more
doaj +1 more source
Separation of Zirconium and Hafnium from Chloride Solution Using Strongly Basic Anion Resins [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2022 The ion exchange process was employed to separate zirconium from hafnium in solution. To this end, four effective parameters, involving resin type, HCl concentration, Time, and initial zirconium concentration, were selected as the main variables.
Meysam Nemati +3 more
doaj +1 more source
Determination of the vapour pressure curves and vaporization enthalpies of hafnium alkoxides using thermogravimetric analysis [PDF]
Royal Society Open Science, 2019 In order to identify a volatile metallo-organic precursor for the deposition of hafnium oxide (HfO2) films for atomic layer deposition (ALD) applications, the evaporative properties of hafnium alkoxides (hafnium isopropoxide, hafnium n-propoxide and ...
Changhong Wang +2 more
doaj +1 more source
Micromachines, 2023 Hafnium-based ferroelectric memories are a promising approach to enhancing integrated circuit performance, offering advantages such as miniaturization, compatibility with CMOS technology, fast read and write speeds, non-volatility, and low power ...
Donglin Zhang +8 more
doaj +1 more source
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023 This article presents the results of a study of the properties of three diffusion-hardening solders based on low-melting gallium alloys and copper-tin alloy powder after the introduction of inert metal powders of titanium, zirconium, and hafnium in an ...
V.М. Skachkov +3 more
doaj +1 more source
Frontiers in Chemistry, 2022 The biomass-derived platform chemicals furfural and 5-(hydroxymethyl)furfural (HMF) may be converted to α-angelica lactone (AnL) and levulinic acid (LA). Presently, LA (synthesized from carbohydrates) has several multinational market players.
Margarida M. Antunes +6 more
doaj +1 more source
Flux syntheses and single-crystal structures of CsNa10M4(AsO4)9 (M = Zr, Hf)
Acta Crystallographica Section E: Crystallographic Communications, 2022 The isostructural compounds caesium decasodium tetrazirconium nonaarsenate, CsNa10Zr4(AsO4)9, and caesium decasodium tetrahafnium nonaarsenate, CsNa10Hf4(AsO4)9, arose as unexpected single-crystal products from the reactions of Na2CO3, MO2 (M = Zr, Hf ...
William T. A. Harrison
doaj +1 more source
Microstructure and oxidation resistance of Pd+Zr and Pd+Hf co-doped aluminide coatings deposited on Mar-M247 nickel superalloy [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2023 Pd+Zr and Pd+Hf co-doped aluminide coatings were deposited on the nickel superalloy Mar-M247 by palladium electroplating followed by zirconization-aluminization or hafnization-aluminization processes.
Romanowska J., Zagula-Yavorska M.
doaj +1 more source
Zone Recrystallization of Zirconium and Hafnium
East European Journal of Physics, 2021 The work studied the possibility of obtaining of the high-purity samples of zirconium and hafnium by the method of zone recrystallization of round rods with electron-beam heating in a vacuum of 1∙10-4 Pa.
Оleh Е. Коzhevnikov +2 more
doaj +1 more source