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Journal articles on the topic 'Exceptional temperature'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Theriot, K. J., and R. L. Shubki. "A polyalphaolefin with exceptional low-temperature properties." Journal of Synthetic Lubrication 10, no. 2 (1993): 133–42. http://dx.doi.org/10.1002/jsl.3000100204.

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2

Wang, Zhong, Mingjie Qin, Min Zhang, Huijun Yang, Junwei Qiao, and Zhihua Wang. "Exceptional Phase-Transformation Strengthening of Fe50Mn20Cr20Ni10 Medium-Entropy Alloys at Cryogenic Temperature." Metals 12, no. 4 (2022): 643. http://dx.doi.org/10.3390/met12040643.

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Cobalt-free Fe50Mn20Cr20Ni10 medium-entropy alloys were developed with the metastable engineering strategy at cryogenic temperature. The phase formation rules were calculated and the stacking fault energy was estimated at different temperatures. The uniaxial tensile tests were carried out at a cryogenic temperature and the mechanical properties were completely investigated, displaying excellent strain-hardening capacity. The deformation mechanisms were systematically explained by forest dislocation, twinning strengthening, and phase-transformation strengthening at cryogenic temperature. The pr

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3

Huang, Shu-yuan, Jin-yuan Li, Jian-qiang Li, et al. "Exceptional temperature-dependent coordination sites from acylamide groups." Dalton Transactions 43, no. 14 (2014): 5260. http://dx.doi.org/10.1039/c3dt53123f.

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4

Espinosa, Luis Angel, and Maria Manuela Portela. "Red-Hot Portugal: Mapping the Increasing Severity of Exceptional Maximum Temperature Events (1980–2024)." Atmosphere 16, no. 5 (2025): 514. https://doi.org/10.3390/atmos16050514.

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This study examines exceptional maximum temperature (Tmax) events in mainland Portugal (1980–2024) using ERA5-Land reanalysis data at 1012 locations. To assess changes in the occurrence and temperature excess of exceptional events across two 22-year subperiods (or phases), percentile-based thresholds were adopted. An inventive severity heatmap is used to illustrate exceptional Tmax changes between the two phases, which constitutes an addition to climate change research. Locations are categorised in the heatmap according to whether they experienced (i) more occurrences and more temperature exce

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5

Fogt, Ryan L., Megan E. Jones, Susan Solomon, Julie M. Jones, and Chad A. Goergens. "An Exceptional Summer during the South Pole Race of 1911/12." Bulletin of the American Meteorological Society 98, no. 10 (2017): 2189–200. http://dx.doi.org/10.1175/bams-d-17-0013.1.

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Abstract The meteorological conditions during the Amundsen and Scott South Pole expeditions in 1911/12 are examined using a combination of observations collected during the expeditions as well as modern reanalysis and reconstructed pressure datasets. It is found that over much of this austral summer, pressures were exceptionally high (more than two standard deviations above the climatological mean) at both main bases, as well as along the sledging journeys, especially in December 1911. In conjunction with the anomalously high pressures, Amundsen and his crew experienced temperatures that peake

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6

Figueiredo, Roberto B., Zhi Chao Duan, Megumi Kawasaki, and Terence G. Langdon. "Factors Influencing Ductility in Ultrafine-Grained Metals Processed by Equal-Channel Angular Pressing." Materials Science Forum 633-634 (November 2009): 341–52. http://dx.doi.org/10.4028/www.scientific.net/msf.633-634.341.

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The processing of bulk metals through the application of severe plastic deformation provides an opportunity for achieving exceptional grain refinement to the submicrometer or even the nanometer range. This paper examines the characteristics of metals processed by equal-channel angular pressing with special emphasis on the levels of ductility that may be attained. It is shown that the amount of ductility is dependent not only upon the composition of the material but also, and to a major extent, upon the testing temperature. Specifically, the ductilities are often low at ambient temperatures whe

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7

Bull, J. J., M. R. Badgett, H. A. Wichman, et al. "Exceptional Convergent Evolution in a Virus." Genetics 147, no. 4 (1997): 1497–507. http://dx.doi.org/10.1093/genetics/147.4.1497.

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Abstract Replicate lineages of the bacteriophage ϕX 174 adapted to growth at high temperature on either of two hosts exhibited high rates of identical, independent substitutions. Typically, a dozen or more substitutions accumulated in the 5.4-kilobase genome during propagation. Across the entire data set of nine lineages, 119 independent substitutions occurred at 68 nucleotide sites. Over half of these substitutions, accounting for one third of the sites, were identical with substitutions in other lineages. Some convergent substitutions were specific to the host used for phage propagation, but

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8

Lee, Jeng-Hun, Haomin Chen, Eunyoung Kim, et al. "Flexible temperature sensors made of aligned electrospun carbon nanofiber films with outstanding sensitivity and selectivity towards temperature." Materials Horizons 8, no. 5 (2021): 1488–98. http://dx.doi.org/10.1039/d1mh00018g.

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A flexible temperature sensor is developed using electrospun aligned carbon nanofiber films by tuning their atomic structures governed by carbonization temperature. It shows exceptional sensitivity of 1.52% °C<sup>−1</sup> and good stimuli discriminability.

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9

Sarajlić, Mirza, Jože Pihler, Nermin Sarajlić, and Gorazd Štumberger. "Identification of the Heat Equation Parameters for Estimation of a Bare Overhead Conductor’s Temperature by the Differential Evolution Algorithm." Energies 11, no. 8 (2018): 2061. http://dx.doi.org/10.3390/en11082061.

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This paper deals with the Differential Evolution (DE) based method for identification of the heat equation parameters applied for the estimation of a bare overhead conductor`s temperature. The parameters are determined in the optimization process using a dynamic model of the conductor; the measured environmental temperature, solar radiation and wind velocity; the current and temperature measured on the tested overhead conductor; and the DE, which is applied as the optimization tool. The main task of the DE is to minimise the difference between the measured and model-calculated conductor temper

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10

Abdullah, Al Masum Jabir, and Jahan Farjana. "HIGH ENTROPY ALLOY AT HIGH TEMPERATURE AND PRESSURE." International Journal of Advances in Engineering & Technology 16, no. 6 (2023): 500–517. https://doi.org/10.5281/zenodo.10516474.

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<em>In recent times, high-entropy alloys (HEAs) have gained significant recognition as metallic materials owing to their distinctive design approaches and exceptional mechanical characteristics. HEA consists of five principal elements or more. Due to having more elements, there are four core effects observed in HEA. These four core effects are the driving force for giving unique mechanical properties. So, developing those HEAs in order to applied in the extreme condition becomes a new attraction. Refractory HEAs (RHEAs) are regarded as a novel class of materials that exhibit exceptional mechan

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11

Islam, Md Redwanul, Niklas Wolff, Mohamed Yassine, et al. "On the exceptional temperature stability of ferroelectric Al1-xScxN thin films." Applied Physics Letters 118, no. 23 (2021): 232905. http://dx.doi.org/10.1063/5.0053649.

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12

Mishra, Amit, Arya Shafiefarhood, Jian Dou, and Fanxing Li. "Rh promoted perovskites for exceptional “low temperature” methane conversion to syngas." Catalysis Today 350 (June 2020): 149–55. http://dx.doi.org/10.1016/j.cattod.2019.05.036.

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13

Zhang, Tian, Zhaojin Wang, Jin Hou, et al. "Up-Conversion Luminescence and Optical Temperature Sensing Properties of NaLuF4:Yb3+/Ho3+ Micron-Sized Crystals at Low Temperature." Nanomaterials 14, no. 15 (2024): 1292. http://dx.doi.org/10.3390/nano14151292.

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Non-contact temperature sensors utilising the fluorescence intensity ratio and the unique up-conversion (UC) luminescence of rare-earth ions have numerous benefits; however, their operational temperature range has remained limited. In this study, NaLuF4:Yb3+/Ho3+ samples were prepared by the hydrothermal method. The samples exhibited exceptional UC luminescence properties at low temperatures. The intensity of the green emission (with peak wavelengths of 540 and 546 nm) gradually decreased with increasing temperature, and the green emissions showed a unique change at low temperatures. In additi

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14

Zhang, Qian. "Modeling and Simulation Analysis on Building Temperature and Toughness." Advanced Materials Research 989-994 (July 2014): 947–50. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.947.

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There are many links between temperature and toughness of the building. To quantify the association between them, a model of temperature and toughness is proposed to analyze toughness relationship at different temperatures of the building. Collapse warning is performed by difference of security risks in temperature grades of buildings to obtain model relationship of temperature and toughness, so as to achieve an accurate assessment of the risk of collapse for high-rise building under different fire rating. The experimental results show that, proposed method at different building fire levels on

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15

Zheng, Tongyu. "Improving the Performance of High-Temperature Titanium Alloys: Challenges and Advanced Solutions." Highlights in Science, Engineering and Technology 125 (February 18, 2025): 287–95. https://doi.org/10.54097/pdar0t62.

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High-temperature titanium alloys are vital in aerospace applications due to their exceptional strength, low density, and resistance to extreme temperatures and corrosion. These materials are critical for components like turbine engines and airframe structures, where weight reduction plays a key role in fuel efficiency and performance. Commonly used alloys, such as near-α and titanium aluminides (γ-TiAl), are designed to withstand elevated temperatures while maintaining their mechanical properties. However, challenges such as oxidation, embrittlement, and reduced tensile strength at high temper

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16

Wu, Shengcong, Chi Li, Shui Yang Lien, and Peng Gao. "Temperature Matters: Enhancing Performance and Stability of Perovskite Solar Cells through Advanced Annealing Methods." Chemistry 6, no. 1 (2024): 207–36. http://dx.doi.org/10.3390/chemistry6010010.

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Perovskite solar cells (PSCs) have garnered significant attention in the photovoltaic field owing to their exceptional photoelectric properties, including high light absorption, extensive carrier diffusion distance, and an adjustable band gap. Temperature is a crucial factor influencing both the preparation and performance of perovskite solar cells. The annealing temperature exerts a pronounced impact on the device structure, while the operational temperature influences carrier transport, perovskite band gap, and interface properties. This paper provides a comprehensive review of the influence

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17

Hunt, Sarah J., Matthew J. Cliffe, Joshua A. Hill, Andrew B. Cairns, Nicholas P. Funnell, and Andrew L. Goodwin. "Flexibility transition and guest-driven reconstruction in a ferroelastic metal–organic framework." CrystEngComm 17, no. 2 (2015): 361–69. http://dx.doi.org/10.1039/c4ce01572j.

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18

Chai, Jin, Xin Wang, Xuan Li, et al. "A Dual-Mode Pressure and Temperature Sensor." Micromachines 15, no. 2 (2024): 179. http://dx.doi.org/10.3390/mi15020179.

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The emerging field of flexible tactile sensing systems, equipped with multi-physical tactile sensing capabilities, holds vast potential across diverse domains such as medical monitoring, robotics, and human–computer interaction. In response to the prevailing challenges associated with the limited integration and sensitivity of flexible tactile sensors, this paper introduces a versatile tactile sensing system capable of concurrently monitoring temperature and pressure. The temperature sensor employs carbon nanotube/graphene conductive paste as its sensitive material, while the pressure sensor i

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19

Jiménez, Juan Carlos, Vitor Miranda, Isabel Trigo, et al. "Vegetation Warming and Greenness Decline across Amazonia during the Extreme Drought of 2023." Remote Sensing 16, no. 14 (2024): 2519. http://dx.doi.org/10.3390/rs16142519.

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In 2023, most parts of the world experienced exceptional heat. In particular, anomalous warm temperatures and heatwave events were evidenced across South America during the second half of the year. The situation was particularly critical in the Amazon region in terms of not only hydrometeorological drought but also ecological and socioeconomic impacts. In this study, remote-sensing data collected from the Moderate Resolution Imaging Spectroradiometer (MODIS) were used to observe the changes in temperature and vegetation across Amazonia during the exceptional drought of 2023. This analysis was

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20

Tom, Lincy, and M. R. P. Kurup. "A reversible thermo-responsive 2D Zn(ii) coordination polymer as a potential self-referenced luminescent thermometer." Journal of Materials Chemistry C 8, no. 7 (2020): 2525–32. http://dx.doi.org/10.1039/c9tc06710h.

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21

Sun, Yi, and Hugh G. A. Burton. "Complex analysis of divergent perturbation theory at finite temperature." Journal of Chemical Physics 156, no. 17 (2022): 171101. http://dx.doi.org/10.1063/5.0091442.

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We investigate the convergence properties of finite-temperature perturbation theory by considering the mathematical structure of thermodynamic potentials using complex analysis. We discover that zeros of the partition function lead to poles in the internal energy and logarithmic singularities in the Helmholtz free energy that create divergent expansions in the canonical ensemble. Analyzing these zeros reveals that the radius of convergence increases at higher temperatures. In contrast, when the reference state is degenerate, these poles in the internal energy create a zero radius of convergenc

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22

Subha, P. V., Balagopal N. Nair, V. Visakh, et al. "Germanium-incorporated lithium silicate composites as highly efficient low-temperature sorbents for CO2 capture." Journal of Materials Chemistry A 6, no. 17 (2018): 7913–21. http://dx.doi.org/10.1039/c8ta00576a.

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23

Hua, Xiu-Ni, Chao-Ran Huang, Ji-Xing Gao, Yang Lu, Xiao-Gang Chen, and Wei-Qiang Liao. "High-temperature reversible phase transitions and exceptional dielectric anomalies in cobalt(ii) based ionic crystals: [Me3NCH2X]2[CoX4] (X = Cl and Br)." Dalton Transactions 47, no. 17 (2018): 6218–24. http://dx.doi.org/10.1039/c8dt00786a.

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24

Lu, De, Lei Su, Hongjie Wang, et al. "Scalable Fabrication of Resilient SiC Nanowires Aerogels with Exceptional High-Temperature Stability." ACS Applied Materials & Interfaces 11, no. 48 (2019): 45338–44. http://dx.doi.org/10.1021/acsami.9b16811.

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25

Chung, Yong-Chan, Jae Won Choi, Dong Soo Park, and Byoung Chul Chun. "The exceptional low temperature flexibility of polyurethane copolymer grafted with dimethylphenyl group." Fibers and Polymers 13, no. 3 (2012): 411–14. http://dx.doi.org/10.1007/s12221-012-0411-6.

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26

Cao, Anmin, and Götz Veser. "Exceptional high-temperature stability through distillation-like self-stabilization in bimetallic nanoparticles." Nature Materials 9, no. 1 (2009): 75–81. http://dx.doi.org/10.1038/nmat2584.

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27

Yoo, Dong-Yeop, Joon Soo Han, Seung Sang Hwang, Jung-Hyun Lee, and Albert S. Lee. "Biodegradable elastomeric networks with exceptional shape memory response under physiological temperature stimuli." European Polymer Journal 235 (July 2025): 114098. https://doi.org/10.1016/j.eurpolymj.2025.114098.

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28

Saeed, I. E., and Zulkhairi Zainol Abidin. "ENVIRONMENT-CONTROLLED THIN-LAYER-DRYING OF CUT-ROSELLE: DRYING-EXPERIMENTS, EFFECTS OF DRYING-SETTINGS, DRYING-MODELS." Acta Mechanica Malaysia 7, no. 1 (2024): 49–59. https://doi.org/10.26480/amm.01.2024.49.59.

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This research investigated how the drying-conditions affect drying-performance of Cut-Roselle (Hibiscus_sabdariffa L.). The experiments are conducted using Constant-Temperature-Humidity-Chamber, where varied temperatures (35,45,55,65°C) and relative humidity levels (30,35,40,45,50%) are tested. The drying process for Cut-Roselle primarily occurred during the falling-rate-period. Notably, the drying-air temperature significantly, influenced the drying-kinetics, with higher temperatures (ranging from 35 to 65°C) resulted in shorter drying-times. Relative-humidity had a lesser-impact compared to

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29

Han, Ruiyan, Xiaoyan Ma, Lifeng Cai, Zongwu Zhang, Yiliang Fang, and Jian Wang. "Low viscosity and low temperature curing reactive POSS/epoxy hybrid resin with enhanced toughness and comprehensive thermal performance." RSC Advances 14, no. 11 (2024): 7263–75. http://dx.doi.org/10.1039/d3ra08390j.

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30

Pfeifer, Verena, Travis E. Jones, Sabine Wrabetz, et al. "Reactive oxygen species in iridium-based OER catalysts." Chemical Science 7, no. 11 (2016): 6791–95. http://dx.doi.org/10.1039/c6sc01860b.

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31

Jha, Saurabh Kumar. "Ceramic Coating for High Temperature Corrosion Protection of Steel." International Journal for Research in Applied Science and Engineering Technology 11, no. 6 (2023): 1745–53. http://dx.doi.org/10.22214/ijraset.2023.53933.

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Abstract: In high temperature environments where oxidation occurs which effects the metal in multiple ways. High temperature corrosion is typically seen in ductile steel. This can cause abrupt failure and reduce a metal's mechanical properties. A variety of ceramic coatings are available that can be applied to enhance functionality and prevent corrosion, particularly at high temperatures. The majority of ceramic coatings are typically electrically nonconducting, making them excellent insulators. It also has a high melting temperature of up to 4000⸰F and remarkable abrasion resistance. Due to t

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32

Zhang, Zhijia, Bowen Yang, Yongjing Wang, Jun Ma, Qiancheng Zhang, and Jiankai Jiao. "Effect of High Temperature on the Mechanical Performance of Additively Manufactured CoCrNi Medium-Entropy Alloy Octet-Truss Lattice Materials." Metals 15, no. 4 (2025): 341. https://doi.org/10.3390/met15040341.

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In this study, the effect of high temperature on the mechanical performance of CoCrNi medium-entropy alloy octet-truss lattice material fabricated via laser powder bed fusion (LPBF) is investigated by compressive test and numerical simulation method. The results reveal that the strength and energy absorption performance of CoCrNi octet-truss lattice material with a hollow truss are higher than those of ones with a solid truss; however, they diminish by 30% and 50%, respectively, as temperature rises from 25 °C to 600 °C. As the temperature rises, the potential barrier for dislocation slip decr

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33

Sun, Huiying, Yuelei Pan, Song He, et al. "Hydrophobic Silica Aerogel with Higher Flame Retardancy, Thermal Radiation Shielding, and High-Temperature Insulation Properties Through Introduction of TiO2." Gels 11, no. 4 (2025): 249. https://doi.org/10.3390/gels11040249.

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SiO2 aerogels have garnered significant attention for thermal insulation applications due to their exceptional hydrophobicity and thermal resistance. However, the organic functional groups enabling hydrophobicity introduce flammability concerns, limiting their safe implementation in high-temperature environments. This study presents a novel TiO2 doping strategy (SA/TiO2) that simultaneously enhances thermal safety while preserving the material’s intrinsic advantages. The optimized SA/TiO2 composite demonstrates remarkable fire resistance, achieving a 44% reduction in gross calorific value (GCV

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34

Lu, Zhangmin, and Qunzhi Zhu. "Investigation of phase change cooling within thermal control systems for lithium-ion batteries." Journal of Physics: Conference Series 3018, no. 1 (2025): 012019. https://doi.org/10.1088/1742-6596/3018/1/012019.

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Abstract During operation, lithium-ion batteries generate a significant amount of heat, leading to increased temperature and temperature gradients within the battery cluster. These conditions significantly impair the durability and safety of batteries, underscoring the necessity for a stable heat dissipation system to maintain optimal battery temperatures. The present work introduces a cost-efficient, passive heat dissipation system that integrates prismatic lithium-ion batteries with phase change material (PCM) components. Findings demonstrate that the PCM components effectively lower the hig

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35

Alshammari, Nuwayyir, Ory Maimon, Rao V. Mulpuri, and Qiliang Li. "Temperature and Interface Trap Effects on Hydrogen-Terminated Diamond Metal-Oxide Field-Effect Transistor (HD-MOSFET) Using Tcad Sentaurus." ECS Meeting Abstracts MA2024-02, no. 40 (2024): 4927. https://doi.org/10.1149/ma2024-02404927mtgabs.

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Wide and ultrawide bandgap semiconductors demonstrate exceptional performance due to their large energy bandgap, which offers distinctive advantages such as enhanced efficiency, drift velocity, increased voltage blocking, and high-frequency switching. These characteristics make such semiconductors essential for advancing electronic technology. Among such materials, diamond is particularly distinguished for its wide bandgap, superior thermal conductivity, and high electron mobility. These properties enable diamond to perform exceptionally well in challenging environments where traditional mater

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36

Syabriyana, Maliya, Maulinda, and Muhammad Zulfajri. "Muscovite Potential as Flexible Substrate for High-Temperature Photovoltaic Process." Proceedings of International Conference on Multidiciplinary Research 7, no. 1 (2024): 8–12. https://doi.org/10.32672/picmr.v7i1.2656.

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The exploration of muscovite as a flexible substrate that withstand high-temperature photovoltaic processes presents a promising avenue for advancing solar energy technologies. Muscovite, a naturally occurring mica mineral, exhibits exceptional thermal stability, mechanical flexibility, and chemical inertness, making it an ideal candidate for photovoltaic applications that require high-temperature processing. This study investigates the structural and decomposition properties of muscovite, emphasizing its potential to withstand the rigorous conditions of photovoltaic fabrication. Through a ser

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37

Jiang, Xu, Songwei Li, Yongping Bai, and Lu Shao. "Ultra-facile aqueous synthesis of nanoporous zeolitic imidazolate framework membranes for hydrogen purification and olefin/paraffin separation." Journal of Materials Chemistry A 7, no. 18 (2019): 10898–904. http://dx.doi.org/10.1039/c8ta11748a.

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38

Ren, Zhongkan, Shakir Bin Mujib, and Gurpreet Singh. "High-Temperature Properties and Applications of Si-Based Polymer-Derived Ceramics: A Review." Materials 14, no. 3 (2021): 614. http://dx.doi.org/10.3390/ma14030614.

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Ceramics derived from organic polymer precursors, which have exceptional mechanical and chemical properties that are stable up to temperatures slightly below 2000 °C, are referred to as polymer-derived ceramics (PDCs). These molecularly designed amorphous ceramics have the same high mechanical and chemical properties as conventional powder-based ceramics, but they also demonstrate improved oxidation resistance and creep resistance and low pyrolysis temperature. Since the early 1970s, PDCs have attracted widespread attention due to their unique microstructures, and the benefits of polymeric pre

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Esmaeily, Amir Sajad, Shaun Mills, and J. M. D. Coey. "Exceptional room-temperature plasticity in amorphous alumina nanotubes fabricated by magnetic hard anodisation." Nanoscale 9, no. 16 (2017): 5205–11. http://dx.doi.org/10.1039/c7nr00095b.

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Xie, Yu, Tiwen Lu, Pengcheng Zhao, et al. "Cryoforged nanotwinned CoCrNi medium-entropy alloy with exceptional fatigue property at cryogenic temperature." Scripta Materialia 237 (December 2023): 115718. http://dx.doi.org/10.1016/j.scriptamat.2023.115718.

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41

Kholodenko, Arkady L. "Searching for high-temperature superconductivity: from Mendeleev to Seiberg–Witten via Madelung and beyond." Progress of Theoretical and Experimental Physics 2022, no. 3 (2022). http://dx.doi.org/10.1093/ptep/ptab169.

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Abstract Recently, noticeable progress has been achieved in the area of high-temperature superconductors. Maximum temperatures Tc of 250 K (−23○ C) for LaH10 and 288 K (+15○ C) for CSH8 have been reported at megabar pressures. The highest possible Tcs were achieved by employing hydrides of chemical elements. Empirically, many of these are made of Madelung-exceptional atoms. Here, the theoretical background is provided to explain this observation. The, thus far empirical, Madelung rule controls Mendeleev’s law of periodicity. Although the majority of elements do obey this rule, there are some e

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42

Liu, Huan, Ziqi Yang, Bin Su, et al. "High Temperature‐Insensitive Electrostrain Obtained in (K, Na)NbO₃‐Based Lead‐Free Piezoceramics." Small, October 22, 2024. http://dx.doi.org/10.1002/smll.202407848.

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AbstractOver the last decades, notable progress is achieved in (K, Na)NbO3 (KNN)‐based lead‐free piezoceramics. However, more studies are conducted to increase its piezoelectric charge coefficient (d33). For actuator applications, piezoceramics need high electric‐field induced strain under low electric fields while maintaining exceptional temperature stability across a wide temperature range. In this study, this work developes Li/Sb‐codoped KNN (LKNNS) ceramics with high electrostrain by defect engineering and domain engineering. A remarkable strain of 0.43%, along with a giant d33* value of 2

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43

Zhu, Wanlin, Fan He, John Hayden, et al. "Exceptional high temperature retention in Al0.93B0.07N films." Applied Physics Letters 122, no. 24 (2023). http://dx.doi.org/10.1063/5.0152821.

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This paper reports the retention behavior for Al0.93B0.07N thin films, a member of the novel family of wurtzite ferroelectrics. Our experiments suggest that bipolar cycling of metal (Pt/W)/Al0.93B0.07N/W/Al2O3 film stacks first induced wake-up and then a region of constant switchable polarization. The films showed excellent retention of the stored polarization state. As expected, data retention was slightly inferior in the opposite state (OS) measurements. However, it is noted that even after 3.6 × 106 s (1000 h) at 200 °C, the OS signal margin still exceeded 200 μC/cm2. The predicted OS reten

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44

Wen, Zihao, Yiwen Liu, Jing Yang, et al. "Exceptional Oxidation Resistance of High‐Entropy Carbides up to 3600 °C." Advanced Materials, June 5, 2025. https://doi.org/10.1002/adma.202507254.

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AbstractAchieving exceptional oxidation resistance at elevated temperatures is long desirable for ultrahigh‐temperature materials to be used in relevant applications such as hypersonic flights, re‐entry vehicles, and propulsion systems. However, their practical service temperatures are typically limited to below 3000 °C. Here, the exploration of (Hf, Ta, Zr, W)C high‐entropy carbides with exceptional oxidation resistance of 2.7 µm·s−1 up to 3600 °C through a high‐entropy compositional engineering strategy is reported. This impressive oxidation behavior arises from the formation of unique dual‐

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45

Espinosa, Luis Angel, and Maria Manuela Portela. "Red-Hot Portugal: Mapping the Increasing Severity of Exceptional Maximum Temperature Events (1980–2024)." April 28, 2025. https://doi.org/10.3390/atmos16050514.

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Abstract This study examines exceptional maximum temperature (T<sub>max</sub>) events in mainland Portugal (1980–2024) using ERA5-Land reanalysis data at 1012 locations. To assess changes in the occurrence and temperature excess of exceptional events across two 22-year subperiods (or phases), percentile-based thresholds were adopted. An inventive severity heatmap is used to illustrate exceptional T<sub>max</sub> changes between the two phases, which constitutes an addition to climate change research. Locations are categorised in the heatmap according to whether they experienced (i)

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Santer, Benjamin D., Stephen Po-Chedley, Lilong Zhao, et al. "Exceptional stratospheric contribution to human fingerprints on atmospheric temperature." Proceedings of the National Academy of Sciences 120, no. 20 (2023). http://dx.doi.org/10.1073/pnas.2300758120.

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In 1967, scientists used a simple climate model to predict that human-caused increases in atmospheric CO 2 should warm Earth’s troposphere and cool the stratosphere. This important signature of anthropogenic climate change has been documented in weather balloon and satellite temperature measurements extending from near-surface to the lower stratosphere. Stratospheric cooling has also been confirmed in the mid to upper stratosphere, a layer extending from roughly 25 to 50 km above the Earth’s surface (S 25 − 50 ). To date, however, S 25 − 50 temperatures have not been used in pattern-based attr

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Isaksen, Ketil, Øyvind Nordli, Boris Ivanov, et al. "Exceptional warming over the Barents area." Scientific Reports 12, no. 1 (2022). http://dx.doi.org/10.1038/s41598-022-13568-5.

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AbstractIn recent decades, surface air temperature (SAT) data from Global reanalyses points to maximum warming over the northern Barents area. However, a scarcity of observations hampers the confidence of reanalyses in this Arctic hotspot region. Here, we study the warming over the past 20–40 years based on new available SAT observations and a quality controlled comprehensive SAT dataset from the northern archipelagos in the Barents Sea. We identify a statistically significant record-high annual warming of up to 2.7 °C per decade, with a maximum in autumn of up to 4.0 °C per decade. Our result

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Qin, Mingde, Sashank Shivakumar, and Jian Luo. "Refractory high-entropy nanoalloys with exceptional high-temperature stability and enhanced sinterability." Journal of Materials Science, May 13, 2023. http://dx.doi.org/10.1007/s10853-023-08535-y.

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AbstractNanocrystalline alloys (nanoalloys) are prone to grain growth. It is known that grain boundary segregation and precipitation can stabilize nanoalloys, but the stabilization becomes less effective at high temperatures and adding grain growth inhibitors often reduces sinterability. Herein, we have simultaneously achieved exceptional high-temperature stability and improved sinterability for a class of TiNbMoTaW-based refractory high-entropy nanoalloys (RHENs). Bulk pellets of RHENs were fabricated through ball milling and spark plasma sintering, achieving 93–96% relative densities with 50

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Chen, Xiaohui, Zhiqiang Gao, Pengfei Qiu, et al. "Exceptional Plasticity in Textured Thermoelectric Bismuth Semimetal." Advanced Functional Materials, April 4, 2025. https://doi.org/10.1002/adfm.202501996.

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AbstractRecently flexible thermoelectrics have attracted great attention because they can provide a long‐term and maintain‐free power supply technology to wearable electronics. Current flexible thermoelectrics are mainly based on the narrow bandgap inorganic semiconductors with a high power factor (PF) or organic polymers with good flexibility. Although bismuth (Bi) semimetal also possesses high PF, its inherently poor plasticity/ductility greatly limits the achievement of good flexibility. In this work, it is shown that the brittle polycrystalline Bi can be transformed into plastic/ductile vi

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"FFKM combines high-temperature performance with exceptional low compression set." Sealing Technology 2024, no. 2 (2024). http://dx.doi.org/10.12968/s1350-4789(24)70015-4.

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UK-based Precision Polymer Engineering Ltd (PPE) has developed a perfluoroelastomer (FFKM) sealing material that combines the ability to operate and perform well at a high temperature with exceptional low compression set.

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