scholarly journals Coherency strain and its effect on ionic conductivity and diffusion in solid electrolytes – an improved model for nanocrystalline thin films and a review of experimental data

2014 ◽  
Vol 16 (44) ◽  
pp. 24575-24591 ◽  
Author(s):  
C. Korte ◽  
J. Keppner ◽  
A. Peters ◽  
N. Schichtel ◽  
H. Aydin ◽  
...  
Keyword(s):  
Experimental Data ◽  
Thin Films ◽  
Ionic Conductivity ◽  
Solid Electrolytes ◽  
Coherency Strain ◽  
Improved Model ◽  
And Diffusion ◽  
Nanocrystalline Thin Films

scholarly journals Изменение элементного состава тонких пленок цирконата-титаната свинца в процессе ионно-плазменного осаждения: эксперимент и моделирование

2019 ◽  
Vol 61 (7) ◽  
pp. 1282
Author(s):  
В.А. Вольпяс ◽  
А.Б. Козырев ◽  
А.В. Тумаркин ◽  
Д.М. Долгинцев ◽  
В.П. Пронин ◽  
...  
Keyword(s):  
Experimental Data ◽  
Thin Films ◽  
Plasma Deposition ◽  
Rf Magnetron Sputtering ◽  
Element Composition ◽  
Simulation Data ◽  
Pzt Thin Films ◽  
Ion Plasma ◽  
Composition Modification ◽  
And Diffusion

AbstractThe element composition modification is experimentally studied in PZT thin films obtained via the RF magnetron sputtering with variable working gas pressure. The experimental data were interpreted through the statistic simulation of thermalization and diffusion of sprayed Pb, Zr, and Ti atoms during the ion-plasma deposition of PZT thin films. The simulation data are shown to adequately describe (within the limits of 5%) the change in element composition at various pressures of the gas environment. The study conducted enables one to produce PZT thin films with a set element composition, which is essential for optimizing the electric and physical properties of solid solutions at the morphotropic phase boundary.

Influence of texture and grain misorientation on the ionic conduction in multilayered solid electrolytes – interface strain effects in competition with blocking grain boundaries

2018 ◽  
Vol 20 (14) ◽  
pp. 9269-9280 ◽  
Author(s):  
J. Keppner ◽  
J. Schubert ◽  
M. Ziegner ◽  
B. Mogwitz ◽  
J. Janek ◽  
...  
Keyword(s):  
Thin Films ◽  
Ionic Conductivity ◽  
Grain Boundaries ◽  
Solid Electrolytes ◽  
Ionic Conduction ◽  
Multilayer Thin Films ◽  
Strain Effects ◽  
Interface Strain ◽  
Grain Misorientation

We investigate the relaxation of mismatch induced interface strain as a function of the texture and its influence on the ionic conductivity in YSZ/Er2O3 multilayer thin films.

A MULTISCALE MODEL OF RATE DEPENDENCE OF NANOCRYSTALLINE THIN FILMS

2012 ◽  
Vol 10 (5) ◽  
pp. 441-459 ◽  
Author(s):  
Fernando V. Stump ◽  
Nikhil Karanjgaokar ◽  
Philippe H. Geubelle ◽  
Ioannis Chasiotis
Keyword(s):  
Thin Films ◽  
Multiscale Model ◽  
Rate Dependence ◽  
Nanocrystalline Thin Films

How Certain Are the Reported Ionic Conductivities of Thiophosphate-Based Solid Electrolytes? an Interlaboratory Study

2020 ◽  
Author(s):  
Saneyuki Ohno ◽  
Tim Bernges ◽  
Johannes Buchheim ◽  
Marc Duchardt ◽  
Anna-Katharina Hatz ◽  
...  
Keyword(s):  
Standard Deviation ◽  
Ionic Conductivity ◽  
Relative Standard Deviation ◽  
Solid Electrolytes ◽  
Ionic Conductivities ◽  
Ionic Conductors ◽  
Energy Storage Devices ◽  
Activation Barriers ◽  
Storage Devices ◽  
Relative Standard

<p>Owing to highly conductive solid ionic conductors, all-solid-state batteries attract significant attention as promising next-generation energy storage devices. A lot of research is invested in the search and optimization of solid electrolytes with higher ionic conductivity. However, a systematic study of an <i>interlaboratory reproducibility</i> of measured ionic conductivities and activation energies is missing, making the comparison of absolute values in literature challenging. In this study, we perform an uncertainty evaluation via a Round Robin approach using different Li-argyrodites exhibiting orders of magnitude different ionic conductivities as reference materials. Identical samples are distributed to different research laboratories and the conductivities and activation barriers are measured by impedance spectroscopy. The results show large ranges of up to 4.5 mScm<sup>-1</sup> in the measured total ionic conductivity (1.3 – 5.8 mScm<sup>-1</sup> for the highest conducting sample, relative standard deviation 35 – 50% across all samples) and up to 128 meV for the activation barriers (198 – 326 meV, relative standard deviation 5 – 15%, across all samples), presenting the necessity of a more rigorous methodology including further collaborations within the community and multiplicate measurements.</p>

Virus Removal by Filtration

1982 ◽  
Vol 14 (4-5) ◽  
pp. 253-256
Author(s):  
N Sriramula ◽  
M Chaudhuri
Keyword(s):  
Experimental Data ◽  
Escherichia Coli ◽  
Cationic Polyelectrolyte ◽  
Electrokinetic Phenomena ◽  
Virus Removal ◽  
Bacterial Virus ◽  
Gravity Settling ◽  
And Diffusion ◽  
Model Virus ◽  
Good Agreement

An investigation was undertaken on the removal of a model virus, bacterial virus MS2 against Escherichia coli, by sand filtration using untreated, and alum or cationic polyelectrolyte treated media, and uncoagulated as well as alum coagulated influent. Data on discrete virus removal were satisfactorily accounted for by electrokinetic phenomena and diffusion. For virus in association with turbidity, filter coefficients computed from experimental data were in good agreement with those predicted by mechanical straining and gravity settling which were the dominant mechanisms for removal of the turbidity particles to which the viruses attached.

scholarly journals High Pressure X-ray Diffraction as a Tool for Designing Doped Ceria Thin Films Electrolytes

Coatings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 724
Author(s):  
Sara Massardo ◽  
Alessandro Cingolani ◽  
Cristina Artini
Keyword(s):  
Thin Films ◽  
High Pressure ◽  
Rare Earth ◽  
Ionic Conductivity ◽  
Bulk Material ◽  
Threshold Temperature ◽  
Doped Ceria ◽  
X Ray Diffraction ◽  
X Ray ◽  
Rare Earth Doped

Rare earth-doped ceria thin films are currently thoroughly studied to be used in miniaturized solid oxide cells, memristive devices and gas sensors. The employment in such different application fields derives from the most remarkable property of this material, namely ionic conductivity, occurring through the mobility of oxygen ions above a certain threshold temperature. This feature is in turn limited by the association of defects, which hinders the movement of ions through the lattice. In addition to these issues, ionic conductivity in thin films is dominated by the presence of the film/substrate interface, where a strain can arise as a consequence of lattice mismatch. A tensile strain, in particular, when not released through the occurrence of dislocations, enhances ionic conduction through the reduction of activation energy. Within this complex framework, high pressure X-ray diffraction investigations performed on the bulk material are of great help in estimating the bulk modulus of the material, and hence its compressibility, namely its tolerance toward the application of a compressive/tensile stress. In this review, an overview is given about the correlation between structure and transport properties in rare earth-doped ceria films, and the role of high pressure X-ray diffraction studies in the selection of the most proper compositions for the design of thin films.

Increasing ionic conductivity in Li0.33La0.56TiO3 thin-films via optimization of processing atmosphere and temperature

Rare Metals ◽  
2021 ◽  
Author(s):  
Shi-Pai Song ◽  
Cheng Yang ◽  
Chun-Zhi Jiang ◽  
Yong-Min Wu ◽  
Rui Guo ◽  
...  
Keyword(s):  
Thin Films ◽  
Ionic Conductivity

scholarly journals Constructing a stable interface between sulfide electrolyte and Li metal anode via a Li+-conductive gel polymer interlayer

2021 ◽  
Author(s):  
Ya-Hui Wang ◽  
Junpei Yue ◽  
Wen-Peng Wang ◽  
Wan-Ping Chen ◽  
Ying Zhang ◽  
...  
Keyword(s):  
Ionic Conductivity ◽  
Solid Electrolytes ◽  
High Energy ◽  
High Ionic Conductivity ◽  
Practical Realization ◽  
Metal Anode ◽  
Li Metal Anode

Due to high ionic conductivity, favorable mechanical plasticity, and non-flammable properties, inorganic sulfide solid electrolytes bring opportunities to the practical realization of rechargeable Li-metal batteries with high energy, yet their...

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