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Journal articles on the topic 'Non-local thermoelastic peak of ion'

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1

Kalinichenko, A. I., S. S. Perepelkin, and V. E. Strel'nitskij. "Dependence of intrinsic stress and structure of ta-C film on ion energy and substrate temperature in model of the non-local thermoelastic peak." Diamond and Related Materials 19, no. 7-9 (2010): 996–98. http://dx.doi.org/10.1016/j.diamond.2010.03.001.

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2

Thejappa, G., and R. J. MacDowall. "High frequency ion sound waves associated with Langmuir waves in type III radio burst source regions." Nonlinear Processes in Geophysics 11, no. 3 (2004): 411–20. http://dx.doi.org/10.5194/npg-11-411-2004.

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Abstract. Short wavelength ion sound waves (2-4kHz) are detected in association with the Langmuir waves (~15-30kHz) in the source regions of several local type III radio bursts. They are most probably not due to any resonant wave-wave interactions such as the electrostatic decay instability because their wavelengths are much shorter than those of Langmuir waves. The Langmuir waves occur as coherent field structures with peak intensities exceeding the Langmuir collapse thresholds. Their scale sizes are of the order of the wavelength of an ion sound wave. These Langmuir wave field characteristic
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3

Mazalski, Piotr, Iosif Sveklo, Zbigniew Kurant, et al. "XAS and XMCD studies of magnetic properties modifications of Pt/Co/Au and Pt/Co/Pt trilayers induced by Ga+ions irradiation." Journal of Synchrotron Radiation 22, no. 3 (2015): 753–59. http://dx.doi.org/10.1107/s1600577515002933.

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Magnetic and magneto-optical properties of Pt/Co/Au and Pt/Co/Pt trilayers subjected to 30 keV Ga+ion irradiation are compared. In two-dimensional maps of these properties as a function of cobalt thickness and ion fluence, two branches with perpendicular magnetic anisotropy (PMA) for Pt/Co/Pt trilayers are well distinguished. The replacement of the Pt capping layer with Au results in the two branches still being visible but the in-plane anisotropy for the low-fluence branch is suppressed whereas the high-fluence branch displays PMA. The X-ray absorption spectra and X-ray magnetic circular dich
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4

Рягузов, А. П., Р. Р. Немкаева, О. И. Юхновец та ін. "Влияние неравновесных условий синтеза на структуру и оптические свойства аморфных углеродных пленок". Журнал технической физики 127, № 8 (2019): 251. http://dx.doi.org/10.21883/os.2019.08.48037.33-19.

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Amorphous carbon (a-C) thin films were synthesized by non-equilibrium method of ion-plasma sputtering of graphite target in Ar atmosphere at constant value of plasma current. Studies of the local structure of the carbon films were carried out using Raman spectroscopy method. Using normal distribution for Raman spectra decomposition it was revealed that at synthesis temperatures below 150 C a peak at about 1260 cm-1 occurred, which is characteristic for phonon density of states with sp3-hybridized bonds. In addition, it was shown the dependence of the optical bandgap on the sizes of sp2-site na
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5

Runov, A., V. A. Sergeev, R. Nakamura, et al. "Local structure of the magnetotail current sheet: 2001 Cluster observations." Annales Geophysicae 24, no. 1 (2006): 247–62. http://dx.doi.org/10.5194/angeo-24-247-2006.

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Abstract. Thirty rapid crossings of the magnetotail current sheet by the Cluster spacecraft during July-October 2001 at a geocentric distance of 19 RE are examined in detail to address the structure of the current sheet. We use four-point magnetic field measurements to estimate electric current density; the current sheet spatial scale is estimated by integration of the translation velocity calculated from the magnetic field temporal and spatial derivatives. The local normal-related coordinate system for each case is defined by the combining Minimum Variance Analysis (MVA) and the curlometer te
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6

Li, J., X. Liao, Z. Meng, and Y. Jiang. "Method for efficient excitation of selective vibration modes in pulsed laser photothermal actuation." Journal of Applied Physics 133, no. 11 (2023): 114501. http://dx.doi.org/10.1063/5.0140358.

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Photothermal excitation based on thermoelastic mechanisms is widely used in non-destructive testing, precision operations, and driving micro-resonators. The narrow drive bandwidth of the high vibration mode in photothermal excitation limits its application to multi-mode drives. Controlling the laser’s irradiation position is an effective solution. In this study, we build a theoretical model to achieve selective and efficient excitation of different flexural vibration modes of beams with different supports. The model can be extended to other thermal and physical boundaries, which is validated b
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7

Chatterjee, A., A. K. Nayak, and B. Weigand. "Effect of electromigration dispersion and non-Newtonian rheology of a charged solute in a microcapillary." Physics of Fluids 34, no. 11 (2022): 112011. http://dx.doi.org/10.1063/5.0110118.

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The present work is concerned with the electromigration interaction of non-Newtonian fluid in a rectangular micro-capillary under the influence of an external electric field to predict the spatiotemporal dynamics of the solute concentration due to an effective dispersion and migration velocity. The solute concentration is optimized by dispersion and a driving force exploiting the interplay between the sequential ionic distribution and the local electrical conductivity coupled with the characteristics of the fluid. The incompressible Navier–Stokes equation combined with the Poisson equation for
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8

Lee, Changmin, Dongho Kim, Youngjae Hong, Younghwan Lim, Chang Hyun Park, and Sung-Yoon Chung. "Comprehensive Study on the Role of Proton in the Insertion Chemistry of Aqueous Zn-Ion Batteries." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4459. https://doi.org/10.1149/ma2024-02674459mtgabs.

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Li-ion rechargeable batteries played a major role in the present revolution of portable devices since Goodenough's group switched from sulfide to oxide cathode materials in the 1980s. However, the safety of explosive organic electrolytes, rising demand-driven costs, and even geopolitical concerns over lithium minerals have prompted scientists to seek alternate systems. Due to their enormous capacity, Zn-ion rechargeable batteries with a non-explosive aqueous electrolyte have garnered significant attention among the candidates. Especially the newly demonstrated capacity over 300 mAh/g in the V2
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9

Sanchez, Javier, David J. Tanner, Dexian Chen, L. Gregory Huey, and Nga L. Ng. "A new technique for the direct detection of HO<sub>2</sub> radicals using bromide chemical ionization mass spectrometry (Br-CIMS): initial characterization." Atmospheric Measurement Techniques 9, no. 8 (2016): 3851–61. http://dx.doi.org/10.5194/amt-9-3851-2016.

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Abstract. Hydroperoxy radicals (HO2) play an important part in tropospheric photochemistry, yet photochemical models do not capture ambient HO2 mixing ratios consistently. This is likely due to a combination of uncharacterized chemical pathways and measurement limitations. The indirect nature of current HO2 measurements introduces challenges in accurately measuring HO2; therefore a direct technique would help constrain HOx chemistry in the atmosphere. In this work we evaluate the feasibility of using chemical ionization mass spectrometry (CIMS) and propose a direct HO2 detection scheme using b
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10

Zani, Veronica, Danilo Pedron, Roberto Pilot, and Raffaella Signorini. "Contactless Temperature Sensing at the Microscale Based on Titanium Dioxide Raman Thermometry." Biosensors 11, no. 4 (2021): 102. http://dx.doi.org/10.3390/bios11040102.

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The determination of local temperature at the nanoscale is a key point to govern physical, chemical and biological processes, strongly influenced by temperature. Since a wide range of applications, from nanomedicine to nano- or micro-electronics, requires a precise determination of the local temperature, significant efforts have to be devoted to nanothermometry. The identification of efficient materials and the implementation of detection techniques are still a hot topic in nanothermometry. Many strategies have been already investigated and applied to real cases, but there is an urgent need to
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11

Ghosal, S., and Z. Chen. "Electromigration dispersion in a capillary in the presence of electro-osmotic flow." Journal of Fluid Mechanics 697 (March 9, 2012): 436–54. http://dx.doi.org/10.1017/jfm.2012.76.

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AbstractThe differential migration of ions in an applied electric field is the basis for the separation of chemical species by capillary electrophoresis. Axial diffusion of the concentration peak limits the separation efficiency. Electromigration dispersion is observed when the concentration of sample ions is comparable to that of the background ions. Under such conditions, the local electrical conductivity is significantly altered in the sample zone making the electric field, and, therefore, the ion migration velocity, concentration dependent. The resulting nonlinear wave exhibits shock-like
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12

Yamauchi, Masatoshi, Magnar G. Johnsen, Carl-Fredrik Enell, Anders Tjulin, Anna Willer, and Dmitry A. Sormakov. "High-latitude crochet: solar-flare-induced magnetic disturbance independent from low-latitude crochet." Annales Geophysicae 38, no. 6 (2020): 1159–70. http://dx.doi.org/10.5194/angeo-38-1159-2020.

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Abstract. A solar-flare-induced, high-latitude (peak at 70–75∘ geographic latitude – GGlat) ionospheric current system was studied. Right after the X9.3 flare on 6 September 2017, magnetic stations at 68–77∘ GGlat near local noon detected northward geomagnetic deviations (ΔB) for more than 3 h, with peak amplitudes of &gt;200 nT without any accompanying substorm activities. From its location, this solar flare effect, or crochet, is different from previously studied ones, namely, the subsolar crochet (seen at lower latitudes), auroral crochet (pre-requires auroral electrojet in sunlight), or cu
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13

Klenzing, J., A. G. Burrell, R. A. Heelis, J. D. Huba, R. Pfaff, and F. Simões. "Exploring the role of ionospheric drivers during the extreme solar minimum of 2008." Annales Geophysicae 31, no. 12 (2013): 2147–56. http://dx.doi.org/10.5194/angeo-31-2147-2013.

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Abstract. During the recent solar minimum, solar activity reached the lowest levels observed during the space age, resulting in a contracted atmosphere. This extremely low solar activity provides an unprecedented opportunity to understand the variability of the Earth's ambient ionosphere. The average E × B drifts measured by the Vector Electric Field Instrument (VEFI) on the Communications/Navigation Outage Forecasting System (C/NOFS) satellite during this period are found to have several differences from the expected climatology based on previous solar minima, including downward drifts in the
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14

Sinha, A. K., B. M. Pathan, R. Rajaram, and D. R. K. Rao. "Low frequency modulation of transionospheric radio wave amplitude at low-latitudes: possible role of field line oscillations." Annales Geophysicae 20, no. 1 (2002): 69–80. http://dx.doi.org/10.5194/angeo-20-69-2002.

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Abstract. Ionospheric scintillations of radio waves at low-latitudes are associated with electron density irregularities. These irregularities are field-aligned and can provide excitation energy all along the field line to non-local field-aligned oscillations, such as the local field line oscillations. Eigen-periods of toroidal field line oscillations at low-latitudes, computed by using the dipole magnetic field and ion distributions obtained from the International Reference Ionosphere (IRI) for typical nighttime conditions, fall in the range of 20–25 s. When subjected to spectral analysis, si
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15

Abdullah, Faizuan, Noor Aida FaziraMohd Salleh, and Muhammad Luqman Selahuddeen. "Phytochemical and Toxicity Analysis of Leucas zeylanica crude extracts." Environmental and Toxicology Management 1, no. 2 (2021): 1–8. http://dx.doi.org/10.33086/etm.v1i2.2072.

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Leucas zeylanica (L.) R. Br. (L. zeylanica) originated from Lamiaceae family which is also known as “Pokok ketumbit” by local Malaysian is famous for therapeutic treatment uses especially in India and Sri Lanka. Throughout this study, four different solvents which were n-hexane, chloroform, methanol, and distilled water used in the extraction method using cold maceration technique. Optimization was done and methanol became the best solvent that produced highest percentage yield compared to the other solvents and also been chose to carry out a few other analysis. The extracts were subjected to
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16

Masutani, Kanata, Kazuhiko Matsumoto, Ryo Sakamoto, et al. "Oxygen Electrocatalysis of Perovskite Oxyfluorides in Alkaline Media." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4688. https://doi.org/10.1149/ma2024-02674688mtgabs.

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Introduction Fossil fuels are indispensable as the main energy source in modern society, but there are concerns about the environmental problems and depletion caused by increased use of them. To realize a sustainable society, high-performance energy conversion devices are required, and various secondary batteries are being developed. Among these, metal-air secondary batteries, which use atmospheric oxygen as the active material, are attracting a lot of attention. Their theoretical energy density are approximately 3 to 30 times higher than that of lithium-ion batteries.[1] At the air electrode
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17

De Wolf, Renée, Michiel De Rop, and Jonas Hereijgers. "Improved Vanadium Redox Flow Battery Performance through a Pulsating Electrolyte Flow Regime." ECS Meeting Abstracts MA2023-02, no. 1 (2023): 135. http://dx.doi.org/10.1149/ma2023-021135mtgabs.

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The increase in emissions of greenhouse gases and their environmental impact lead to a transition from primarily fossil fuel-based energy sources to renewable and eco-friendly ones, such as solar panels and wind turbines. However, these sources are intermittent, resulting in fluctuating energy production levels that require buffering, which poses significant challenges in matching production-consumption profiles. [1,2] In order to stabilise the grid and reduce dependency on fossil fuels, integrating electrical energy carriers into a smart grid to store excess energy produced during peak period
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18

Weihrauch, Melissa, Maulik Patel, and Eann A. Patterson. "Effects of Ion Irradiation on Stage II Fatigue Crack Growth and Plasticity." Fatigue & Fracture of Engineering Materials & Structures, January 18, 2024. http://dx.doi.org/10.1111/ffe.14223.

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AbstractFatigue crack growth characteristics of ion irradiated compact tension (CT) specimens were evaluated in the Paris law region. Fatigue crack growth was monitored under tension‐tension loading and the thermoelastic response was measured. Two stages of crack propagation were identified. In the first 300,000 cycles, crack growth rates of irradiated and unirradiated specimens were comparable and plastic zone area was found to be independent of crack length. Beyond 300,000 cycles, irradiated specimens showed a greater crack growth rate; additionally, the plastic zone area increased with crac
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19

Sasaki, A. "Effect of multiply excited states to the EUV emission from yttrium-like tin." Applied Physics Letters 124, no. 6 (2024). http://dx.doi.org/10.1063/5.0187576.

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The spectral emission rate of yttrium-like tin (Sn11+) is investigated as the typical ion, which has a strong emission of extreme ultra-violet (EUV) light near the wavelength of 13.5 nm. The energy level structure of the tin ion is investigated using the non-relativesitic configuration average model to calculate the population in the local thermodynamic equilibrium, and the spectral structure of the unresolved transition array that has EUV emission is investigated based on the calculated atomic data using the HULLAC code. It is shown that the broad main peak is accompanied by the tail structur
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20

Ni, Chen-Yin, Jin-Chao LV, Yue-Ying Zhang, et al. "Laser ultrasonic monitoring of reversible/irreversible modification of a real crack under photothermal loading." Structural Health Monitoring, June 10, 2020, 147592172091516. http://dx.doi.org/10.1177/1475921720915164.

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We study the responses of laser-generated acoustic waves to localized reversible/irreversible modifications of microscopic asperities on crack surfaces during crack closure, which is an essential process in nonlinear photoacoustic/photothermal crack detection techniques. Our laser ultrasonics technique involves optical measurement of the transmission and mode conversion of the laser-generated surface acoustic waves caused by the crack. Reversible/irreversible modifications of asperities can be achieved via non-contact photothermal loading of the crack. Three photothermal loading cycles were re
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21

Zhang, Yifan, Wan Dong, Wen zhu Jia, Julian Schulze, and Yuan-Hong Song. "Simulation of standing wave effects in large-area capacitively coupled silane mixture discharges using a 2D fluid coupled with a transmission line model." Plasma Sources Science and Technology, June 10, 2025. https://doi.org/10.1088/1361-6595/ade33b.

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Abstract Radio frequency capacitively coupled plasmas (RF CCPs) are widely used in the solar cell industry. With the increase of the chamber size and driving frequency, for the purpose of higher production efficiency, radial uniformity problems become more rigorous and deserve more attention and in-depth studies. A two-dimensional fluid model coupled with an electromagnetic transmission line model is used to study a capacitively coupled discharge operated in a mixture of silane / hydrogen and is driven by a single RF source at 27.12 MHz, which is typical for microcrystalline silicon deposition
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22

Chen, Xiaoyuan, and Xiaoyong Huang. "Highly Efficient and Thermally Stable NIR‐Emitting Phosphor with Largely Tunable Peak Wavelength and Bandwidth Toward NIR Spectroscopy Applications." Laser & Photonics Reviews, February 21, 2025. https://doi.org/10.1002/lpor.202402226.

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AbstractDeveloping tunable broadband near‐infrared (NIR) fluorescent materials with outstanding luminescence properties and superior thermal robustness remains a significant challenge for next‐generation intelligent NIR light sources. Herein, a high‐performance large‐scale tunable NIR‐emitting garnet‐type phosphor, SrLu2Al3ScSiO12:Cr3+ (SLASSO:Cr3+), is presented. Upon 450 nm blue light excitation, SLASSO:1%Cr3+ phosphor yields a broadband emission with full width at half maximum of 108 nm and a prominent sharp peak at 694 nm superimposed on a broadband radiation, which is attributed to the co
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23

Wang, Wei, Kenji Imadera, Haruki Seto, and Masatoshi Yagi. "Global gyro-kinetic study of magnetic shaping effects on linear trapped electron mode instability in normal/reversed magnetic shear plasmas." Nuclear Fusion, April 19, 2022. http://dx.doi.org/10.1088/1741-4326/ac6818.

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Abstract A linear δf version of gyro-kinetic Vlasov code GKNET (Gyro-Kinetic Numerical Experiment of Tokamak) is extended to the global cylindrical coordinates (R,φ,Z) and include the kinetic electron response, to study the shaping effect on linear drift-wave instabilities in Tokamak plasmas. Cross-verifications are performed between three GKNET versions that use different electron models, i.e., adiabatic electron model, hybrid electron model (only trapped electrons are calculated kinetically) and full-kinetic electron model (all electrons are calculated kinetically). A destabilizing effect of
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24

Kim, K. ‐H, C. ‐W Jun, J. ‐W Kwon, et al. "Observation and Numerical Simulation of Cold Ions Energized by EMIC Waves." Journal of Geophysical Research: Space Physics 129, no. 5 (2024). http://dx.doi.org/10.1029/2023ja032361.

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AbstractThis is the first report of significant energization (up to 7,000 eV) of low‐energy He+ ions, which occurred simultaneously with H‐band electromagnetic ion cyclotron (EMIC) wave activity, in a direction mostly perpendicular to the ambient magnetic field. The event was detected by the Arase satellite in the dayside plasmatrough region off the magnetic equator on 15 May 2019. The peak energy of the He+ flux enhancements is mostly above 1,000 eV. At some interval, the He+ ions are energized up to ∼7,000 eV. The H‐band waves are excited in a frequency band between the local crossover and h
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25

Kubyshkina, Daria, Luca Fossati, and V. Nikolai Erkaev. "Precise photoionisation treatment and hydrodynamic effects in atmospheric modelling of warm and hot Neptunes." Astronomy & Astrophysics, January 11, 2024. http://dx.doi.org/10.1051/0004-6361/202347837.

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Observational breakthroughs in the field of exoplanets in the last decade have motivated the development of numerous theoretical models, such as those describing atmospheres and mass loss, which is believed to be one of the main drivers of planetary evolution. We outline for which types of close-in planets in the Neptune-mass range the accurate treatment of photoionisation effects is most relevant, particularly with respect to atmospheric mass loss and the parameters relevant for interpreting observations, such as temperature and ion fraction. We developed the Cloudy e Hydro Ancora INsieme (CH
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26

Koch, Barbara, Shaio Tong Kong, Özgül Gün, Hans-Jörg Deiseroth, and Hellmut Eckert. "Site preferences and ion dynamics in lithium chalcohalide solid solutions with argyrodite structure: I. A multinuclear solid state NMR study of the system Li6PS5-xSexI and of Li6AsS5I." Zeitschrift für Physikalische Chemie, October 29, 2021. http://dx.doi.org/10.1515/zpch-2021-3135.

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Abstract A comprehensive multinuclear (7Li, 31P, 75As, 77Se, 127I) NMR study has been conducted to characterize local structural configurations and atomic distributions in the crystallographically ordered solid solutions of composition Li6PS5-x Se x I (0 ≤ x ≤ 1) and in Li6AsS5I. Throughout the composition range, structural ordering between the atoms on the Wyckoff sites 4a and 4c is maintained, with the I− ions exclusively occupying the 4a sites. 31P magic-angle spinning nuclear magnetic resonance (MAS NMR) can serve to differentiate between the various possible PS4-n Se n 3− tetrahedral unit
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Koch, Barbara, Shiao Tong Kong, Özgül Gün, Hans-Jörg Deiseroth, and Hellmut Eckert. "Site preferences and ion dynamics in lithium chalcohalide solid solutions with argyrodite structure: II. Multinuclear solid state NMR of the systems Li6PS5−x Se x Cl and Li6PS5−x Se x Br." Zeitschrift für Physikalische Chemie, November 29, 2021. http://dx.doi.org/10.1515/zpch-2021-3139.

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Abstract A comprehensive multinuclear (7Li, 31P, 35Cl, 77Se, 79Br) nuclear magnetic resonance (NMR) study has been conducted to characterize local structural configurations and atomic distributions in the crystallographically disordered solid solutions of composition Li6PS5−x Se x X (0 ≤ x ≤ 1, X = Cl, Br) with the Argyrodite structure. In contrast to the situation with the corresponding iodide homologs, there is no structural ordering between the 4a and 4c sites, with the halide ions occupying both of them with close to statistical probabilities. Nevertheless, throughout the composition range
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