Synthesis and resistance to helium swelling of Li2TiO3 ceramics

Shlimas, Dmitriy I.; Zdorovets, Maxim V.; Kozlovskiy, Artem L.

doi:10.1007/s10854-020-03843-4

Cited by 34 publications

(12 citation statements)

References 48 publications

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“…The anisotropic behaviour of conventional Rabi frequency [Eq. (20)] is depicted in Fig. 4a, where impact of wave vector angle (θ ) can be clearly seen.…”

Section: Floquet Collapse-revival Phenomenonmentioning

confidence: 99%

“…4b, showing change in the resonance condition of conventional Rabi frequency [Eqs. (20), ( 21) plotted together]. The BSS term κ consists of anisotropic nature, which has maximum value, when wave vector angle θ equals π 2 and 3π 2 , shown in Fig.…”

Section: Floquet Collapse-revival Phenomenonmentioning

confidence: 99%

“…a e-mail: upendraawasthi88@gmail.com (corresponding author) alloys samples, the stoichiometry is particularly important [17,18]. There is impact of the dimension of a real sample on its electronic properties [19,20].…”

Section: Introductionmentioning

confidence: 99%

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Quantum floquet oscillation in borophane

Kumar

2020

Eur. Phys. J. Plus

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The hydrogenated borophene is known as borophane, a two-dimensional material which has Dirac characteristics. In this work, it is described how anisotropy of borophane, i.e. wave vector angle, plays a significant role in the Floquet frequency and collapse-revival phenomenon. The various mathematical techniques have been described for the formulation of Floquet frequency. The role of anisotropy is justified by using numerical simulation. The bandgap of borophane can be opened by using Floquet frequency. The Rabi oscillation and Bloch-Siegert shift have also been studied in the perspective of anisotropy.

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“…The anisotropic behaviour of conventional Rabi frequency [Eq. (20)] is depicted in Fig. 4a, where impact of wave vector angle (θ ) can be clearly seen.…”

Section: Floquet Collapse-revival Phenomenonmentioning

confidence: 99%

Section: Floquet Collapse-revival Phenomenonmentioning

confidence: 99%

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Quantum floquet oscillation in borophane

Kumar

2020

Eur. Phys. J. Plus

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“…Lithiumcontaining ceramics of the Li 2 TiO 3 type were chosen owing to the wide potential of their application as blanket materials for thermonuclear reactors and reactors of a new generation. Interest in the study of the helium-swelling processes in lithium-containing ceramics, including during irradiation at elevated temperatures, arises from the possibility of obtaining data on the kinetics of radiation damage during the formation of gas-filled inclusions, as well as the study of the competition between the processes of thermal annealing of defects and the formation of point defects as a result of radiation damage [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Study of Resistance to Helium Swelling of Lithium-Containing Ceramics under High-Temperature Irradiation

et al. 2021

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The aim of this work was to study resistance to helium accumulation processes in the structure of the surface layer of lithium-containing ceramics and the subsequent destruction and embrittlement processes, depending on radiation fluence. The objects of study were Li2TiO3-type ceramics obtained by thermal sintering. The fluence dependency of changes in the structural and strength properties of ceramics was determined to be in the range from 1018 to 1022 ion/m2, which corresponded to the concentration of implanted helium from 0.01% to 0.8–1 at.%. Irradiation was carried out at a temperature of 700 °C, which made it possible to simulate the processes of radiation damage that were closest to the real conditions in the reactor core. During the studies carried out, it was found that, at irradiation fluences of 1018–1020 ion/m2, the formation of point radiation defects was equaled by the process of thermal annealing of defects, as a result of which the concentration of defects and their effect on the change in the structural and strength properties of ceramics were insignificant. An increase in the concentration of implanted helium in the structure of the surface layer to above 0.5 at.% led to the dominance of radiation damage processes over the annealing of defects and the formation of gas-filled cavities, which negatively affects the strength of ceramics.

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“…With the development of technology and the increasing demand of human society, various functional materials have increasingly become hotspots of research. [1][2][3] Among them, piezoelectric materials are important functional materials that can convert mechanical energy into electrical energy, and they are widely used in pressure sensors, piezoelectric storage, photovoltaics and other fields. 4 Leadbased [Pb(Zr,Ti)O 3 , PZT] ceramics are considered to be one of the best performing and most widely used piezoelectric materials at present.…”

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confidence: 99%

Polymorphic Phase Transition and Domain Configurations of (K, Na)NbO₃-Based Lead-Free Ceramics Modified by (Ba_0.6Ca_0.4)ZrO₃

Zheng

et al. 2021

ECS J. Solid State Sci. Technol.

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In this work, (1−x)(K0.5Na0.5)(Nb0.96Sb0.04)−x(Ba0.6Ca0.4)ZrO3 lead-free piezoelectric ceramics were prepared by a conventional solid-state sintering method. The relationship between the composition, structure and performance of the system was analyzed specifically. A polymorphic phase transition with rhombohedral-tetragonal (R-T) was formed in the sample with x = 0.3 at the room temperature (∼27 °C), which was tested by X-ray diffraction (XRD) and the temperature-dependent dielectric behavior. The high-density polar nanodomain regions were observed through Transmission Electron Microscope (TEM) in the sample with x = 0.3. Thanks to the rotation of the domain and the movement of the domain wall, the piezoelectric performance was improved, the ceramics with x = 0.3 possess enhanced piezoelectric properties of d 33 ∼ 325 pC/N together with a high Curie temperature of T c ∼ 335 °C. Furthermore, the thermal stability in the sample with x = 0.3 can be enhanced to (Δd 33/Δd 33(25 °C) ∼ 12.54%), exhibiting good temperature stability, which guarantees the ceramics could be used in a wide temperature rage.

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Synthesis and resistance to helium swelling of Li2TiO3 ceramics

Cited by 34 publications

References 48 publications

Quantum floquet oscillation in borophane

Quantum floquet oscillation in borophane

Study of Resistance to Helium Swelling of Lithium-Containing Ceramics under High-Temperature Irradiation

Polymorphic Phase Transition and Domain Configurations of (K, Na)NbO₃-Based Lead-Free Ceramics Modified by (Ba_0.6Ca_0.4)ZrO₃

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Synthesis and resistance to helium swelling of Li2TiO3 ceramics

Cited by 34 publications

References 48 publications

Quantum floquet oscillation in borophane

Quantum floquet oscillation in borophane

Study of Resistance to Helium Swelling of Lithium-Containing Ceramics under High-Temperature Irradiation

Polymorphic Phase Transition and Domain Configurations of (K, Na)NbO3-Based Lead-Free Ceramics Modified by (Ba0.6Ca0.4)ZrO3

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Polymorphic Phase Transition and Domain Configurations of (K, Na)NbO₃-Based Lead-Free Ceramics Modified by (Ba_0.6Ca_0.4)ZrO₃