Article
Chemistry, Inorganic & Nuclear
S. A. Uporov, G. A. Kozhina, S. Kh Estemirova, V. Ya Mitrofanov
Summary: The effect of Fe doping on the structural, magnetic and magnetocaloric properties of La1-xSrxMn1-yFeyO3 manganites has been studied. The substitution of manganese by iron leads to changes in crystal structure, phase state, and phase transitions. The Curie temperature and Curie-Weiss temperature decrease with increasing Fe content.
SOLID STATE SCIENCES
(2022)
Article
Materials Science, Multidisciplinary
Anitha Anand, M. Manjuladevi, R. K. Veena, V. S. Veena, Yuri S. Koshkid'ko, S. Sagar
Summary: The study investigates the effect of Ti doping on structural, magnetic, and magnetocaloric properties of Nd-based manganites, finding that N-0.15 exhibits increased Working Temperature Span and decreased magnetic hysteresis loss, making it a potential candidate for low-temperature magnetic refrigeration.
MATERIALS RESEARCH BULLETIN
(2022)
Article
Chemistry, Physical
Manish Badole, Hari Narayanan Vasavan, Samriddhi Saxena, Asish Kumar Das, Velaga Srihari, Sunil Kumar
Summary: The effects of La3+ and Al3+ substitution on the structural, dielectric, and piezo-electric properties of (1-x)(K0.5Bi0.5)TiO3-xLaAlO3 ceramics were investigated. With the increase in LAO content, a decrement in tetragonal distortion and an increase in cubic symmetry were observed. The incorporation of LAO in KBT resulted in an improved relaxor behavior and a suppression of oxygen vacancies. The piezo-electric properties were enhanced, with the 3% LAO-doped sample exhibiting the highest piezo-electric charge coefficient and improved piezo-electric voltage coefficient. An energy harvesting experiment was performed on the poled 3% LAO-doped ceramic, showing promising results under normal finger tapping.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Simon R. Larsen, Daniel Hedlund, Henry Stopfel, Dennis Karlsson, Christian K. Christensen, Peter Svedlindh, Johan Cedervall
Summary: The alloys of AlCoCrFeMnxNi were synthesized through arc-melting and gas atomisation to study the effect of Mn additions. It was found that an increase in Mn content adversely affected the thermal stability and saturation magnetisation of the alloy compared to AlCoCrFeNi.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Multidisciplinary Sciences
Danae N. Polsin, Amy Lazicki, Xuchen Gong, Stephen J. Burns, Federica Coppari, Linda E. Hansen, Brian J. Henderson, Margaret F. Huff, Malcolm McMahon, Marius Millot, Reetam Paul, Raymond F. Smith, Jon H. Eggert, Gilbert W. Collins, J. Ryan Rygg
Summary: This study investigates the effects of extreme pressure on sodium and reveals the occurrence of temperature-driven polymorphism and the formation of an electride phase.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Shi-Jie Song, Jia-Yi Lu, Qin-Qing Zhu, Zhi Ren, Guang-Han Cao
Summary: Na2Fe2S2O exhibits an anti-K2NiF4-type structure with [Fe2S2O]2- block layers. It shows antiferromagnetic insulating behavior with a Neel temperature of 91.5 K. The Fe-S bond distance is found to be the main factor determining the Neel temperature, and short-range spin correlations are observed above the Neel temperature.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Physics, Applied
S. Kh Estemirova, V. Ya Mitrofanov, S. A. Uporov, G. A. Kozhina
Summary: The effect of Fe doping on the structural, magnetic, and magnetocaloric properties of La0.8Sr0.2Mn1-xFexO3 manganites was studied. Doping with iron did not change the structure but increased the unit cell parameters and microstrain. The samples showed a paramagnetic-ferromagnetic phase transition with decreasing transition temperature and decreasing magnetic entropy change and relative cooling power with increasing Fe content.
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
(2022)
Article
Chemistry, Multidisciplinary
Dmitry V. Karpinsky, Maxim V. Silibin, Siarhei I. Latushka, Dmitry V. Zhaludkevich, Vadim V. Sikolenko, Hanan Al-Ghamdi, Aljawhara H. Almuqrin, M. I. Sayyed, Alexei A. Belik
Summary: The crystal structure and magnetic state of the (1 - x)BiFeO3-(x)BiMnO3 solid solution were analyzed. It was found that increasing the dopant concentration led to structural and magnetic transitions at room temperature, resulting in a two-phase structure. Irreversible temperature-driven structural transitions favored the stabilization of high-temperature structural phases.
Article
Materials Science, Multidisciplinary
A. Singha, S. Praharaj, S. K. Rout, R. Verma, D. Rout
Summary: This study investigates the ferroelectric and dielectric behavior in lead-free ceramic, speculating the emergence of a relaxor phase due to the evolution of highly polarizable dipolar entities of different symmetries. The temperature and frequency-insensitive dielectric behavior observed in the ceramic may be correlated to the gradual crossover of polar nano regions.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Materials Science, Multidisciplinary
R. Padhee, Piyush R. Das, B. N. Parida
Summary: In this study, the ceramic oxide K2Pb2Gd2W2Ti4Ta4O30 was synthesized by solid solution route, and confirmed to be single phase and dense using XRD and SEM. The temperature variation of dielectric parameters showed a ferroelectric to paraelectric phase transition, with polarization study confirming the presence of ferroelectricity. The material's transport properties were studied using impedance spectroscopy, revealing charge carrier hopping motion and potential for heat sensing applications at around 300 degrees C based on pyroelectric current and thermistor properties.
Article
Chemistry, Multidisciplinary
Wanlin Wang, Yong Gang, Jian Peng, Zhe Hu, Zichao Yan, Weihong Lai, Yanfang Zhu, Dominique Appadoo, Mao Ye, Yuliang Cao, Qin-Fen Gu, Hua-Kun Liu, Shi-Xue Dou, Shu-Lei Chou
Summary: Prussian blue analogs (PBAs) are promising cathode materials for sodium-ion batteries due to their low cost, comparable energy density and long cycle life. However, the crystal water in PBAs can have significant side effects on battery performance. Researchers have developed a heat-treatment method to remove water from PBAs, improving their high temperature storage performance.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Ting-Ting Ying, Yun-Zhi Tang, Yu-Hui Tan, Yi-Ran Zhao, Jia-Ying Wang, Ming-Yang Wan, Fang Xin Wang, Xiao Wei Fan, Yu Kong Li
Summary: This study reports a single-component organic enantiomeric phase transition material that exhibits high-temperature reversible phase transitions and excellent dielectric switching properties. The two enantiomers display similar physical and chemical properties, including high structural phase transition temperatures, step-like dielectric anomalies, and flexible dielectric switching properties.
CRYSTAL GROWTH & DESIGN
(2022)
Article
Chemistry, Physical
D. V. Lazurenko, I. Yu. Petrov, V. I. Mali, M. A. Esikov, R. I. Kuzmin, V. V. Lozanov, F. Pyczak, A. Stark, G. D. Dovzhenko, I. A. Bataev, D. S. Terentiev, A. A. Ruktuev
Summary: This study aims to improve the brittleness issue of Ti-Al3Ti metal-intermetallic laminate composites by changing the crystal structure of Al3Ti to the more ductile L12 structure through alloying with silver. The optimal fabrication regimes of Ti-Ti(Al1-xAgx)3 composites were determined based on in-situ synchrotron X-ray diffraction analysis, leading to enhanced properties of the composite material.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Biochemistry & Molecular Biology
Evgenii Igorevich Mareev, Fedor Viktorovich Potemkin
Summary: In this study, an ultrafast reversible phase transition in silicon under ultrafast pressure loading was demonstrated using molecular dynamics. Effective indicators of phase-transition dynamics, including atomic volume, centrosymmetry, and the X-ray diffraction spectrum, were revealed. The breakthrough in registering the latter in actual experimental conditions paves the way for simple X-ray optical cross-correlation and pump-probe experiments.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Materials Science, Multidisciplinary
Zohra Msetra, Nawel Khitouni, Abdulrahman Alsawi, Mohamed Khitouni, Virgil Optasanu, Joan-Josep Sunol, Mahmoud Chemingui
Summary: A nanocrystalline Fe(Co) phase dispersed within an amorphous matrix was achieved by milling Fe31Co31B30Ta8 powder mixtures. The transformations occurring during milling were studied and various nanostructured phases and magnetic properties were identified. The increase in milling time led to changes in phase composition and magnetic behavior.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Chemistry, Multidisciplinary
Alaauldeen A. Duhduh, Chou-Yi Hsu, Mustafa Humam Sami, Anupam Yadav, Russul Thabit, Sagr Alamri, Abdelmajeed Adam Lagum, Ali A. Rajhi
Summary: Density functional theory (DFT) calculations were used to investigate the application of a Zn12O12 nanocage as an anode material in Na-ion batteries (NIBs). The pure nanocage showed low performance, but encapsulating a chloride led to a significant increase in voltage, surpassing carbon nanotubes and C24 fullerene.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Hiroyuki Ikemoto, Toshihiko Fujimori, Takafumi Miyanaga, Reo Kawaguchi, Koki Urita, Masao Tabuchi
Summary: This study investigated the structures of two Se chains confined inside single-walled carbon nanotubes (SWCNTs), revealing that the chains were linear and parallel. The covalent bond between Se and SWCNT was found to be stronger than that between Se and trigonal Se (t-Se). The interaction between chains was attributed to the overlap of electronic orbitals, and the disappearance of this overlap in the encapsulated Se chains enhanced the covalent bonds.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Suman Yadav, Atul Gour, Sadhna Singh
Summary: In this study, we investigated the electronic and thermoelectric properties of rare-earth half-Heusler XPtBi (X = Gd, Nd, Y) topological semimetals compounds using density functional theory. Our results indicate that the inclusion of spin orbit coupling has a significant impact on the electronic band structure and spin order, making it promising for spintronic applications. We found different topological states in these compounds and observed enhanced power factor in YPtBi with the inclusion of SOC.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Takahiro Ozawa, Hiroshi Nakanishi, Koichi Kato, Ryota Shimizu, Taro Hitosugi, Katsuyuki Fukutani
Summary: In this study, we elucidate the hopping mechanism of hydrogen at intermediate temperature using a combination of experimental data and theoretical calculations. We find that the transition from thermal hopping to quantum tunneling is attributed to resonant tunneling, which is achieved through the resonant tunneling of discrete vibrational states between the edge octahedral site and the tetrahedral site. We also demonstrate that the tunneling rate can be tuned by energy level matching.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Ankita Nandi, Ritam Mehera, Moumita Mandal, Paramesh Chandra, Swapan K. Mandal, Naznin Ara Begum, Chandan K. Jana, Nilanjana Das
Summary: In this study, stable biogenic ZnO nanoparticles were successfully synthesized using a biosynthesis method, and their effects on oxidative stress parameters in Saccharomyces cerevisiae were investigated. The results demonstrate that high concentrations of ZnO nanoparticles may induce oxidative stress conditions, suggesting caution in their extensive use.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
P. S. Dighe, A. A. Bhoite, V. L. Patil, N. L. Tarwal, P. B. Sarawade
Summary: In this study, Ni-Co layered double hydroxide (LDH) nanocomposites with excellent electrochemical properties were prepared using hydrothermal technique. The as-obtained material exhibited high specific capacitance and remarkable energy density, showing great potential for supercapacitor applications.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Muhammad Danish, Misbah ul Islam, Farooq Ahmad, M. Nadeem Madni, M. Jahangeer
Summary: This study synthesized M-type hexaferrite and graphene oxide using sol-gel auto-combustion and modified Hummer process. The structure and morphology of the materials were characterized by XRD and SEM. The experimental results showed that coupling magnetic ferrite with graphene oxide can tune the electromagnetic properties of the materials, with potential applications in various fields.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Abrar U. Hassan, Yuchuan Li
Summary: This study presents a new design strategy of N-doped fused ring electron acceptors for organic dye Y123 in photovoltaic and optical devices. The evaluation of five novel dyes shows their positive contributions to charge transfer. Impressive photovoltaic performance is observed in one of the dyes, with high light harvesting efficiency and maximum power output.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Ashvin Kanzariya, Shardul Vadalkar, Sourav Kanti Jana, L. K. Saini, Prafulla K. Jha
Summary: Graphene quantum dots (GQDs) with quantum confinement and size effects show great potential for sensing applications. This computational study investigates the adsorption performance of pristine and transition metal-doped coronene GQDs to hazardous gases. The results suggest that doping with chromium (Cr) or nickel (Ni) enhances the gas adsorption performance, with Cr-doped GQDs showing strong interaction with gas molecules and potential as a gas remover, and Ni-doped GQDs showing potential as a CNCl sensor.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Vladimir V. Poborchii, Victor A. Sachkov, Alexander A. Shklyaev, Alexander V. Fokin, Pavel I. Geshev
Summary: This study investigates the polarized optical absorption and Raman spectra of -5 nm diameter tellurium nanowires confined in chrysotile asbestos nanotubes. The results show a strong interaction between the nanowires and light polarized parallel to the nanowires, while a weaker interaction is observed for light polarized perpendicular to the nanowires. This has significant implications for photonic and photo-electric applications.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Stanislav Cichon, Frantisek Maca, Vaclav Drchal, Katerina Horakova, Irena Kratochvilova, Jan Lancok, Vladimir Chab, Patrik Cermak, Jiri Navratil, Cestmir Drasar
Summary: In this study, a reliable method for preparing high-quality single crystal substrates doped with Bi2Se3 was developed. The electronic properties and chemical states of atoms in the substitutional position and native defects in the topological insulator were analyzed using experimental and theoretical methods. The relationship between the position of the Dirac cone and valence band maximum was explored and discussed.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Ikkurthi Kanaka Durga, Dasha Kumar Kulurumotlakatla, Tholkappiyan Ramachandran, Yedluri Anil Kumar, D. Amaranatha Reddy, K. V. G. Raghavendra, Asma A. Alothman, Sunkara Srinivasa Rao
Summary: Nickel molybdate oxide and tungsten trioxide have potential as electrode materials for supercapacitors, but their poor conductivity and fast capacitance fading limit their performance. By building a hierarchical nanoflower structure, the electrochemical performance of the supercapacitor is enhanced.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Elnaz Saadinia, Mohammad Almasi Kashi, Amir H. Montazer
Summary: Fe-based nanowires containing nonmagnetic elements, fabricated using a pulse electrodeposition method in porous anodic alumina membranes, exhibit magnetic tunability. The magnetic properties of Fe100-xSnx NW arrays, with a diameter of about 35 nm, such as coercivity and squareness values, decrease with increasing Sn content. The structure of the FeSn NWs, dominated by Fe or FeSn alloy crystal phase, can be either single domain or pseudo-single domain states depending on the Sn content.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Xinkai Liu, Tingting Liu, Yuanliang Zhou, Jing Wen, Jinmei Dong, Chenggong Chang, Weixin Zheng
Summary: CuS-Mg/S-BC composites modified by one-pot sulfurization exhibited higher removal efficiency in adsorption and photocatalytic removal of dyes, thanks to the functional groups and vacant sites formed at the interface for enhanced adsorption and photon capture.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)
Article
Chemistry, Multidisciplinary
Yixing Hao, Fang Zhu, Hao Cheng, Sridhar Komarneni, Jianfeng Ma
Summary: A magnetic porous composite catalyst synthesized from CoFe2O4 and CuS showed high degradation efficiency for organic pollutants under visible light conditions, using non-radical degradation as the main pathway.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2024)