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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Greaves, Graeme
University of Huddersfield
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Investigation of the microstructure of He+ ion-irradiated TiBe12 and CrBe12 using ex-situ transmission electron microscopycitations
- 2023From high-entropy alloys to high-entropy ceramics : The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)Ccitations
- 2022Investigating Irradiation Creep of Zircaloy-4 Using In-Situ Proton Irradiation and Transmission Electron Microscopy
- 2022Observations of He Platelets During He Ion Irradiation in 3C SiCcitations
- 2021Nanostructuring Germanium Nanowires by In Situ TEM Ion Irradiationcitations
- 2021Helium implantation damage resistance in nanocrystalline W-Ta-V-Cr high entropy alloyscitations
- 2021Comparative irradiation response of an austenitic stainless steel with its high-entropy alloy counterpartcitations
- 2020Prototypic Lightweight Alloy Design for Stellar-Radiation Environmentscitations
- 2020Low-temperature investigations of ion-induced amorphisation in silicon carbide nanowhiskers under helium irradiationcitations
- 2020Synthesis and in situ ion irradiation of A-site deficient zirconate perovskite ceramicscitations
- 2020In-Situ Helium Implantation and TEM Investigation of Radiation Tolerance to Helium Bubble Damage in Equiaxed Nanocrystalline Tungsten and Ultrafine Tungsten-TiC Alloycitations
- 2020Radiation Damage Suppression in AISI-316 Steel Nanoparticles: Implications for the Design of Future Nuclear Materialscitations
- 2019Thermodynamics of an austenitic stainless steel (AISI-348) under in situ TEM heavy ion irradiationcitations
- 2019Radiation-induced precipitation with concurrent bubbles formation in an austenitic stainless steel (AISI-348)citations
- 2019Understanding amorphization mechanisms using ion irradiation in situ a TEM and 3D damage reconstructioncitations
- 2019Thermal stability and irradiation response of nanocrystalline CoCrCuFeNi high-entropy alloycitations
- 2019Direct Comparison of Tungsten Nanoparticles and Foils under Helium Irradiation at High Temperatures Studied via In-Situ Transmission Electron Microscopy
- 2019Investigating sluggish diffusion in a concentrated solid solution alloy using ion irradiation with in situ TEMcitations
- 2018Energetic particle irradiation study of TiN coatingscitations
- 2017Grain size threshold for enhanced irradiation resistance in nanocrystalline and ultrafine tungstencitations
- 2016Preliminary assessment of the irradiation behaviour of the FeCrMnNi High-Entropy Alloy for nuclear applications
- 2014In-situ TEM studies of ion-irradiation induced bubble development and mechanical deformation in model nuclear materialscitations
- 2014In-situ TEM observation of the response of ultrafine- and nanocrystalline-grained tungsten to extreme irradiation environmentscitations
- 2014Helium bubble formation in nuclear glass by in-situ TEM ion implantationcitations
- 2014In-situ observation and atomic resolution imaging of the ion irradiation induced amorphisation of graphenecitations
- 2008A cross-sectional transmission electron microscopy study of iron recovered from a laser-heated diamond anvil cellcitations
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article
Synthesis and in situ ion irradiation of A-site deficient zirconate perovskite ceramics
Abstract
<p>The influence of A-site vacancies on zirconate perovskite structured ceramics of formula A1-xLa2x/3ZrO3 (A = Ca, Sr, Ba) has been investigated using 400 keV Kr+in situ ion irradiation in a TEM with varied temperature from 100 K to 673 K. The solubility limit of La within the Ba1-xLa2x/3ZrO3 system was 5.33 ml% (x = 0.08) using a solid-state synthesis route, with space group symmetry of Pm3m for x ≤ 0.08. The Ca0.9La0.067ZrO3 and Sr0.9La0.067ZrO3 samples were found to synthesise single-phase with the Pcmn and Pbnm symmetries of their respective end member structures. The addition of 6.67 ml% La (x = 0.1) in CaZrO3 and SrZrO3 was found to decrease the critical temperature of amorphisation, Tc, in comparison with the undoped structures. A similar decrease was found for the 5.33 ml% La doped BaZrO3 structure. Namely, values were observed for doped samples of 404 K, 520 K and 621 K (A = Sr, Ca, Ba respectively), compared to 440 K, 623 K and 675 K for SrZrO3, CaZrO3 and BaZrO3, respectively. This follows similar behaviour to that observed in titanate systems at low dopant levels, and these findings have been discussed in relation to both the presence of cation vacancies in the doped samples and the presence of the La cation. Void formation, growth and induced morphology changes have also been characterised, onset by ion irradiation.</p>