Article
Nanoscience & Nanotechnology
Deok-Yong Cho, Ki-jeong Kim, Kug-Seung Lee, Michael Lubben, Shaochuan Chen, Ilia Valov
Summary: Thin layers inserted between a metal electrode and a solid electrolyte can modify the transport of mass and charge at interfaces and affect electrode reactions. Incorporating C films in functional materials can alter the host's chemical properties and device functionalities. Using X-ray spectroscopies, it was found that inserting graphene or ultrathin amorphous C layers in a Ta2O5/Ta system can tune its chemical and electronic structures, thereby fundamentally changing the resistive switching functionalities.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Mauricio Lopez Luna, Janis Timoshenko, David Kordus, Clara Rettenmaier, See Wee Chee, Adam S. Hoffman, Simon R. Bare, Shamil Shaikhutdinov, Beatriz Roldan Cuenya
Summary: The study investigates the structural and chemical evolution of oxide-supported iron nanoparticles during the activation stages and the CO2 hydrogenation reaction, revealing the preferential formation of iron surface oxides under reaction conditions. The results highlight the important role played by the oxide support in the final structure and composition of nanosized catalysts.
Article
Physics, Condensed Matter
E. K. Abdel-Khalek, M. A. Motawea, Mohamed A. Aboelnasr, H. H. El-Bahnasawy
Summary: CaFeO3-δ perovskite nanomaterial was successfully synthesized by sol-gel method and characterized by XRD, SEM, Mossbauer, XPS analysis. The material showed an orthorhombic perovskite structure, oxygen vacancies, and mixed oxidation states of iron, with mainly antiferro-magnetic properties suitable for industrial applications.
PHYSICA B-CONDENSED MATTER
(2022)
Article
Multidisciplinary Sciences
Daisuke Sawada, Yoshiharu Nishiyama, Riddhi Shah, V. Trevor Forsyth, Estelle Mossou, Hugh Michael O'Neill, Masahisa Wada, Paul Langan
Summary: The study reveals that during mercerization of bacterial cellulose, chains fold back on themselves in a zigzag pattern to form crystalline anti-parallel domains. This finding provides important insights into the molecular-level mechanism of this industrial process.
NATURE COMMUNICATIONS
(2022)
Article
Materials Science, Ceramics
Ayano Nakamoto, Kohta Nambu, Hiroshi Masuda, Hidehiro Yoshida
Summary: Undoped Y2O3 polycrystals were densified by flash sintering under DC or AC electric field with varying holding times up to 60 min. The chemical bonding state and crystal structure were investigated by X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD), respectively. DC flash sintering with longer holding times (>= 30 min) resulted in blackening in cathodic regions, indicating the electrode-dependent introduction of neutral oxygen vacancies. The Y 3d3/2 and Y 3d5/2 binding energies decreased with increasing holding time in both DC- and AC-flash-sintered Y2O3 specimens, regardless of polarity, indicating that positively charged oxygen vacancies were introduced by the flash sintering in an electrode-independent manner, even under DC electric field. XRD analysis revealed short-range structural fluctuations in flash-sintered specimens with longer holding times. These electrode-dependent and independent point defect generations under electric fields may be related to the enhanced atomic diffusion during flash sintering.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Zoology
Kun Guo, Jun Zhong, Li Ma, Yongpu Zhang, Xiang Ji
Summary: The majority of extant reptiles are oviparous and produce eggs with three major components: embryo, yolk, and eggshell. The eggshell of the green crested lizard Bronchocela cristatella is composed primarily of aragonite and calcite, with elemental composition of C, N, Ca, and O.
ASIAN HERPETOLOGICAL RESEARCH
(2021)
Article
Engineering, Electrical & Electronic
Jingmin Tang, Yoshiyuki Yamashita
Summary: The atomic structures and electronic states of active and inactive dopant sites in Si-doped GaN were successfully elucidated using X-ray absorption near-edge structure, Auger electron spectroscopy, and photoelectron spectroscopy. The SiNx state was identified as the active dopant site while Si3N4 was considered inactive, demonstrating the versatility of this analytical approach.
ACS APPLIED ELECTRONIC MATERIALS
(2021)
Article
Materials Science, Ceramics
Komal K. Jani, Pooja Y. Raval, Nimish H. Vasoya, Monika Nehra, Mamraj Singh, Narendra Jakhar, Sandeep Kumar, Kunal B. Modi, Dong-Kwon Lim, Rishi Kumar Singhal
Summary: X-ray photoelectron spectroscopy (XPS) was used to investigate the electronic structure of Zn0.3Mn0.7+xSixFe2-2xO4 ferrite series. The results revealed the presence of Si ions in the +4 valence state. Silicon-oxygen (Si-O) and suboxide SiOx were found to be present in the system, with an increase in Si-O content and a decrease in SiOx content upon Mn-Si substitution. The Fe2p XPS spectra indicated the co-occurrence of ferrous and ferric ions in the system, with ferrous ions occupying octahedral sites and ferric ions dwelling on both octahedral and tetrahedral sites. The O1s spectra showed an increase in oxygen defects with increasing Mn-Si substitution. The Mn2p XPS data showed an overall increasing trend in the Mn+2 states and an increment in the Mn+4/Mn+3 ratio with increasing Mn-Si substitution.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Multidisciplinary
Annaelle Demaude, Kitty Baert, David Petitjean, Juliette Zveny, Erik Goormaghtigh, Tom Hauffman, Michael J. Gordon, Francois Reniers
Summary: In this work, immobilization of unwanted filaments in dielectric barrier discharges (DBD) is achieved for one-step deposition of patterned coatings. By texturing one of the dielectric surfaces, chemical and topographical contrasts at sub-millimeter scale are obtained. The influence of filaments on the deposition process is investigated.
Article
Nanoscience & Nanotechnology
Xiaxia Liao, Severin N. Habisreutinger, Sven Wiesner, Golnaz Sadoughi, Daniel Abou-Ras, Marc A. Gluba, Regan G. Wilks, Roberto Felix, Marin Rusu, Robin J. Nicholas, Henry J. Snaith, Marcus Baer
Summary: The study reveals significant chemical interaction at the MoO3/MAPbI(3-x)Cl(x) interface, leading to decomposition of the perovskite and accumulation of PbI2 on the MoO3 cover layer. New compounds such as PbMoO4, PbN2O2, and PbO are formed as a result of the decomposition, suggesting that the direct MoO3/MAPbI(3-x)Cl(x) interface may be inherently unstable. These findings help explain the low power conversion efficiencies of metal halide perovskite solar cells using MoO3 as a hole-transport material with direct contact to perovskite.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Inorganic & Nuclear
R. R. Galiev, V. Y. Komarov, R. M. Khisamov, A. Yu. Ledneva, S. B. Artemkina, V. E. Fedorov
Summary: O-centered vanadium(IV) selenoiodide V4OSe8I6 · 3,5-dimethylpyrazole, with a tetranuclear complex [V-4(mu(4)-O)(mu-Se-2)(4)(mu-I)(2)I-4] and non-covalent contacts with iodine and selenium atoms, was synthesized at moderate temperature. The binding energies and thermal behavior of this compound, along with another similar compound, V4OSe8I6 · I2, were compared. It was found that V4OSe8I6 · I2 exhibited higher stability due to the system of non-covalent contacts involving iodine molecules.
INORGANICA CHIMICA ACTA
(2023)
Article
Geochemistry & Geophysics
Gabriel K. Nzulu, Babak Bakhit, Hans Hogberg, Lars Hultman, Martin Magnuson
Summary: The properties of fine-grained concentrates on artisanal, small-scale gold mining samples from the Kubi Gold Project in the Central Region of Ghana were investigated using X-ray photoelectron spectroscopy and energy dispersive X-ray spectroscopy. The study revealed that Au-containing residual sediments are dominated by host elements and non-noble elements can act as pathfinders for Au ores in the exploration area. Additionally, the relationship between gold and sediments of auriferous lodes is discussed as key to determining indicator minerals of gold in mining sites.
Article
Chemistry, Physical
S. P. Naumov, N. V. Mushnikov, P. B. Terentev, V. S. Gaviko, N. M. Kleinerman, V. R. Galakhov, K. Kuepper, F. G. Vagizov
Summary: The effect of manganese alloying on the structure and magnetic properties of CeFe2 was investigated. Manganese alloying led to nonmonotonic variation of magnetic moment and gradual decrease in Curie temperature. The MoEurossbauer data revealed differences in quadrupole coupling constants associated with local lattice distortions.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Kevin J. Pastoor, Michael J. Dzara, Svitlana Pylypenko, Jenifer C. Shafer, Mark P. Jensen
Summary: Uranium tetrafluoride (UF4) undergoes chemical speciation changes and forms hydrates when aged under high humidity conditions, indicating different hydration states depending on the temperature and relative humidity. These findings suggest that the presence of UF4 hydrate in UF4 materials may indicate storage under high humidity conditions.
JOURNAL OF NUCLEAR MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Daniel Diaz-Anichtchenko, Robin Turnbull, Enrico Bandiello, Simone Anzellini, Srungarpu Nagabhusan Achary, Daniel Errandonea
Summary: Through experimental observation and theoretical calculations, it was found that alpha-Cu3V2O8 undergoes pressure-induced chemical decomposition into CuO and V2O5 at around 1.35 GPa. The decomposition process is driven by the stability of the octhedral oxygen-coordination of the metal atoms in the decomposition products. Additionally, the bulk modulus of alpha-Cu3V2O8 was determined to be the lowest among all known vanadates, at 52(2) GPa, due to its crystal structure.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Materials Science, Ceramics
Kimbal T. Lu, Yingjie Zhang, Tao Wei, Inna Karatchevtseva, Zhaoming Zhang, Rongkun Zheng
Summary: We report the flux crystal growth and subsequent structural and spectroscopic studies of a new Ba-2[(UO2)(2)Ti2O8] flux crystal. The layered crystal structure and potential as a hexavalent uranium waste form were confirmed, making it a promising candidate for the immobilization of uranium-rich radioactive wastes.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Gabriel L. Murphy, Zhaoming Zhang, Helen E. Maynard-Casely, Joshua Stackhouse, Piotr M. Kowalski, Thomas Vogt, Evgeny Alekseev, Brendan J. Kennedy
Summary: A combined experimental and theoretical investigation was conducted to study the compressibility of two SrUO4-x polymorphs (alpha and fi) under hydrostatic conditions. The study explains the contrasting chemical and mechanical behaviors of these polymorphs by differences in oxygen defect formation chemistry. The experimental data and ab initio calculations revealed that the expansion of the uranyl bonds in alpha-SrUO4 and fi-SrUO4 under hydrostatic pressures is due to the reduction of uranium formal oxidation state and the formation of oxygen vacancies. The difference in preferred lattice sites for oxygen defect formation leads to the significant difference in apparent bulk moduli between the two polymorphs.
Article
Chemistry, Physical
Rinat Taziev, Victor Atuchin
Summary: The surface acoustic wave (SAW) properties of potassium titanyl phosphate (KTiOPO4, KTP) single crystal were evaluated using numerical methods. The phase velocity, electromechanical coupling coefficient, power flow deflection angle, and temperature coefficient of delay (TCD) were determined for different crystal cuts of KTP. It was found that the Z-cut and wave propagation direction along the X + 70 degrees-axis have an electromechanical coupling coefficient of 0.59% and a TCD of 62 ppm/degrees C for SAW, while the Z-cut and wave propagation direction along the X-axis have a pseudo-surface wave (PSAW) characterized by a coupling coefficient of 0.46% and a TCD value of 57 ppm/degrees C. The Bleustein-Gulyaev (BG) wave has TCD values of 35 ppm/degrees C and 41 ppm/degrees C for the Y-cut and X-cut of KTP, respectively.
Article
Chemistry, Multidisciplinary
Timur S. Shamirzaev, Victor V. Atuchin, Vladimir E. Zhilitskiy, Alexander Yu. Gornov
Summary: The study investigates the impact of thermally generated equilibrium carrier distribution on vacancy generation, recombination, and mobility in a semiconductor heterostructure with an undoped quantum well. The different rate of thermally generated equilibrium carriers in layers with different band gaps creates a charge-carrier density gradient in the heterostructure at annealing temperatures. The research reveals that the strong dependence of vacancy formation rate on local charge-carrier density results in nonuniform spatial distribution of charged vacancy concentration. A model considering this effect and the dynamics of nonequilibrium vacancy concentration is developed for vacancy-mediated diffusion during high-temperature annealing.
Review
Biochemistry & Molecular Biology
Elvira V. Sobolevskaya, Oleg A. Shumkov, Mikhail A. Smagin, Andrey E. Guskov, Alexandra V. Malysheva, Victor V. Atuchin, Vadim V. Nimaev
Summary: Chronic obliterating lesions of the arteries of lower extremities, caused by atherosclerosis, lead to chronic ischemia and increase the risk of limb loss and cardiovascular mortality. Percutaneous transluminal balloon angioplasty is a minimally invasive approach for limb revascularization, but restenosis is still possible. Early detection of molecular changes as markers of restenosis can help identify at-risk patients and find ways to inhibit this process.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemistry & Molecular Biology
Victoria Grossman, Victor Atuchin, Bair G. Bazarov, Aleksandr Aleksandrovsky, Evgeniy Eremin, Alexander Krylov, Natalia Kuratieva, Jibzema G. Bazarova, Nikolai Maximov, Maxim Molokeev, Aleksandr Oreshonkov, Natalia Pervukhina, Nikolay Shestakov
Summary: A new multicationic structurally disordered K5FeHf(MoO4)(6) crystal belonging to the molybdate family is synthesized and its electronic and vibrational properties are characterized. The vibrational spectra are dominated by the MoO4 tetrahedra vibrations, while the lattice modes are observed in a low-wavenumber part of the spectra. The compound exhibits paramagnetic behavior with dominant antiferromagnetic interactions and has direct and indirect optical bandgaps of 2.97 and 3.21 eV, respectively. The narrowing of the bandgap is explained by the presence of Mott-Hubbard optical excitation in the system of Fe3+ ions.
Article
Crystallography
Nikita O. Azarapin, Nikolay A. Khritokhin, Victor V. Atuchin, Alexey A. Gubin, Maxim S. Molokeev, Shaibal Mukherjee, Oleg V. Andreev
Summary: The oxidation reactions of BaLaCuS3 in the artificial air atmosphere at different heating rates were studied. The oxidation stages were determined using DSC-TG, XRD, and IR-vis methods. The kinetic characteristics of the reactions were analyzed using the Kissinger model. BaLaCuS3 was stable up to 280°C but underwent three main oxidation stages upon further heating up to 1200°C. The final result of the high-temperature treatment was a mixture of barium sulfate, copper (II) oxide, and La2CuO4.
Article
Engineering, Chemical
Daria M. Turgunalieva, Alena L. Stalinskaya, Ilya I. Kulakov, Galina P. Sagitullina, Victor V. Atuchin, Andrey V. Elyshev, Ivan V. Kulakov
Summary: The multicomponent reaction of 2-nitroacetophenone, acetaldehyde diethyl acetal, beta-dicarbonyl compound, and ammonium acetate in acetic acid solution yielded 4-methyl-substituted derivatives of previously undescribed 5-nitro-1,4-dihydropyridine. Oxidation of the obtained derivatives resulted in 2,4-dimethyl-5-nitropyridines. This study also introduced the use of acetaldehyde diethyl acetal as a source of acetaldehyde in the synthesis of unsymmetrical 1,4-dihydropyridines, which produced controlled synthesis of unsymmetrical 5-nitro-1,4-dihydropyridines. The proposed multicomponent approach allowed the synthesis of previously undescribed substituted 5(3)-nitropyridines.
Article
Microbiology
Victor V. Atuchin, Lyudmila K. Asyakina, Yulia R. Serazetdinova, Anna S. Frolova, Natalia S. Velichkovich, Alexander Yu. Prosekov
Summary: Heavy-metal contaminants are a significant problem in agriculture, threatening food security due to their high toxicity and ability to accumulate in soils and crops. This study aims to develop a consortium of microorganisms isolated from technogenic sites to address soil restoration in agriculture. Promising strains capable of removing heavy metals were selected, and a consortium (Consortium D) consisting of Achromobacter denitrificans, Klebsiella oxytoca, and Rhizobium radiobacter was found to be the most effective. Consortium D demonstrated the ability to produce phytohormones and remove heavy metals from experimental media. Furthermore, the combined use of Trifolium pratense L. and Consortium D improved the efficiency of phytoremediation. Further research will focus on developing a biological product for land remediation in agriculture.
Article
Chemistry, Inorganic & Nuclear
Ksenia A. Nadeina, Sergey V. Budukva, Yuliya V. Vatutina, Polina P. Mukhacheva, Evgeniy Yu. Gerasimov, Vera P. Pakharukova, Igor P. Prosvirin, Tatyana V. Larina, Oleg V. Klimov, Aleksandr S. Noskov, Victor V. Atuchin
Summary: Among the known synthesis procedures and reagents for unsupported Ni-Mo-W catalysts, there is no consensus about optimal preparation conditions. In this study, Ni-Mo-W precursors were prepared via three different techniques and characterized. The catalytic activity was found to be significantly higher when all active metals are available in a mixed phase. The catalyst prepared by the spray drying method showed the highest activity.
Article
Multidisciplinary Sciences
Yurii N. Zhuravlev, Victor V. Atuchin
Summary: The Raman scattering, infrared absorption, and reflection spectra of four different crystals (BaZnBO3F, BaAlBO3F2, BaZn3BO3F2, and BaZnCO3F2) were studied using the CRYSTAL package. The study showed that the spectra were influenced by the layered structure of the crystals and the symmetry of the crystal lattice.
Article
Chemistry, Multidisciplinary
Timur S. Shamirzaev, Victor V. Atuchin
Summary: The vacancy generation dynamics in doped semiconductor heterostructures with quantum dots (QD) formed in the cationic and anionic sublattices of AlAs is investigated. It is experimentally demonstrated that the vacancy-mediated high temperature diffusion is enhanced or suppressed depending on the location of QDs in the heterostructures. A model is developed to explain the doping effect on the vacancy generation dynamics. Additionally, the impact of nonuniform charge carrier spatial distribution on the vacancy generation and diffusion at high temperatures is revealed.
Article
Optics
Vladimir A. Petrov, Gleb V. Kuptsov, Alyona O. Kuptsova, Victor V. Atuchin, Elena V. Stroganova, Victor V. Petrov
Summary: The research aims to investigate the influence of nonlinear active ions concentration profiles in Yb:YAG laser elements on temperature distribution and wavefront distortions during amplification using sub-kilowatt level diode pumping. A mathematical model is presented for the theoretical study of the amplification process in crystals with cubic crystal system. A detailed comparison of Yb:YAG active elements with different concentration profiles of Yb3+ ions is carried out. It is shown that increasing dopant concentration in the pump beam direction can optimize the temperature profile and reduce thermal-induced wavefront distortions.
Article
Biochemistry & Molecular Biology
Anastasia Dmitrieva, Oksana Kozlova, Victor Atuchin, Irina Milentieva, Anna Vesnina, Svetlana Ivanova, Lyudmila Asyakina, Alexander Prosekov
Summary: The antimicrobial properties of baicalin against H. pylori and several probiotic cultures were evaluated. Baicalin exhibited high antimicrobial activity against H. pylori and a stimulating effect on the growth of certain probiotic strains.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biotechnology & Applied Microbiology
Larisa Permyakova, Irina Sergeeva, Irina Dolgolyuk, Kseniya Starovoitova, Victor Atuchin, Alexander Vereshchagin, Vasiliy Romanenko, Sergey Lashitsky
Summary: This article investigates the impact of organic acids and ultrasound on the physiological and biochemical properties of yeast in order to obtain bioactive peptides. The study used brewer's yeast S. cerevisiae W-34/70 cultivated in 11% beer wort and activated with a mix of Krebs cycle acids. The ultrasound treatment significantly increased yeast fermentation activity and the activity of enzymes involved in metabolism and proteolysis. Additionally, it enhanced the synthesis of amino acids and proteins, making it easier to extract valuable components.
FERMENTATION-BASEL
(2023)
Article
Chemistry, Inorganic & Nuclear
Caleb J. Bennett, Helen E. A. Brand, Alexander K. L. Yuen, Maria K. Nicholas, Brendan J. Kennedy
Summary: The temperature dependence of the crystal structure of Potassium Hexaiodoplatinate(IV) between 80 and 500 K is studied. Different crystal structures are observed at different temperatures, including monoclinic, tetragonal, and cubic structures. Accurate determination of the structures of K2PtI6 is important for further theoretical and practical research.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Zhuo Zeng, Jiangfu Zheng, Xiaoming Li, Changzheng Fan, Rongying Zeng, Wenqing Tang
Summary: An efficient method for phosphate removal from wastewater is urgently needed due to the environmental issue caused by excessive phosphorus. In this study, calcium aluminum layered double hydroxides (CaAl-LDHs) and six amino acid intercalated calcium aluminum layered double hydroxides (CaAl-amino acid-LDHs) were prepared and compared for their phosphate adsorption performance. L-Aspartic acid intercalated calcium aluminum layered double hydroxides (CaAl-Asp-LDHs) exhibited the highest phosphate adsorption capacity and faster removal rate compared to CaAl-LDHs. The phosphate adsorption mechanism on CaAl-Asp-LDHs involved electrostatic attraction, hydrogen bonds, complexation, and ion exchange. This environmentally friendly material shows promising potential for efficient phosphate removal from aquatic environments.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Rouzbeh Aghaei Hakkak, Thomas Schleid
Summary: The novel guanidinium hydro-closo-borates with [BnHn]2- (n = 10 and 12) anions were successfully synthesized via direct reaction. The crystal structures exhibit hydrogen bonding interactions and have the potential to facilitate H2 generation.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Liqiang Ma, Pengpeng Wei, Jingfang Li, Liye Liang, Guangming Li
Summary: A novel catalyst, H4PVMo2W9O40@rht-MOF-1, was developed using a one-pot hydrothermal method. It exhibited high efficiency and reusability in esterification reactions.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Liudmila A. Gorelova, Valentiva A. Yukhno, Maria G. Krzhizhanovskaya, Oleg S. Vereshchagin
Summary: Two new Ga-Ge disordered feldspar-related compounds were successfully synthesized using melt crystallization methods. Their stability and thermal expansion properties were studied under high-temperature conditions. The results showed that both compounds are stable within the studied temperature range and exhibit anisotropic thermal expansion.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Seifeddine Bdey, Nesrine Boussadoune, Francois Allard, Jacques Huot, Gabriel Antonius, Noura Fakhar Bourguiba, Pedro Nunez
Summary: The structure of a novel arsenate compound Na3Al3(AsO4)4 has been determined using X-ray diffraction. The crystal exhibits a monoclinic space group with suitable pathways for Na+ ion migration. The accuracy of the structural model was confirmed using various validation tools and density functional theory calculations.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Amit Kumar Atri, Ujwal Manhas, Sumit Singh, Irfan Qadir, Shikha Sharma, Preteek Sharma, Devinder Singh
Summary: This study synthesizes new oxygen deficient triple layered Ruddlesden-Popper (RP) phases via sol-gel method and investigates the effects of Cr3+ doping on their structural, optical, magnetic, and photocatalytic properties. The experimental results demonstrate that Cr3+ doping alters the interactions and leads to excellent photocatalytic performance in some phases.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Dat Le Thanh, Amandine Guiet, Emmanuelle Suard, Romain Berthelot
Summary: In this study, FeNb11O29 powder samples were prepared using a microwave-assisted solid-state synthesis method for the first time. The samples obtained rapidly from submicrometric oxide precursors showed enhanced cycling performance, possibly due to the easier ionic diffusion occurring in the smaller particles.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Raimund Ziegler, Felix R. S. Purtscher, Thomas S. Hofer, Gunter Heymann, Hubert Huppertz
Summary: We have successfully synthesized a new tellurium borate crystal under high-pressure and high-temperature conditions. The crystal structure and theoretical calculations have been thoroughly discussed.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Subhendu Jana, Eric A. Gabilondo, Paul A. Maggard
Summary: This study reports the synthesis and characterization of two previously unknown multinary selenides, Ba8Hf2Se11(Se-2) and Ba9Hf3Se14(Se-2), which display unique structures and optoelectronic properties competitive with existing perovskite-type chalcogenides.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Fei Ruan, Chonggui Lei, Fenglong Zhang, Jinxiao Bao, Fen Zhou, Min Xie, Pengfei Xu, Jianquan Gao
Summary: Studying the diffusion properties of hydrogen is important for designing new proton conductors. In the past, the chemical diffusion coefficient of hydrogen in proton conductors was usually obtained through a manual calculation method, resulting in difficulty in controlling the calculation accuracy. To address this issue, a mathematical algorithm and C language computer program were developed to calculate the chemical diffusion coefficient based on Fick's second law and Romberg numerical integral. The algorithm showed high precision and powerful computing function, and has the potential to replace the manual calculation method in calculating the chemical diffusion coefficient for hydrogen in proton conductors.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Deepika Shanubhogue, Suraj Mangavati, Ashok Rao, Ru-Ting Tsao, Yung-Kang Kuo
Summary: In this study, the effect of Y doping at the Sn-site on the structural, electrical, and low-temperature thermoelectric properties of the Cu2SnSe3 system is investigated. Y-doped compounds Cu2Sn1-xYxSe3 show reduced electrical resistivity, enhanced power factor, and decreased thermal conductivity, resulting in higher ZT values.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Wei Hong, Min Qing, Xun He, Lei Wang, Yu Pu, Qiyu Li, Zhimin He, Qin Dong, Rong Li, Xinglong Gou
Summary: This study developed a simple method to prepare SnS2 nanosheets and assembled them with MXene to form SnS2/MXene. The composite material exhibited abundant active sites, superior electron/ion transfer kinetics, and a unique 2D interlayer structure, resulting in high specific capacity, outstanding rate capability, and excellent cycling stability, with potential applications in LIBs.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Heng-Yu Ruan, Xue-Qian Wu, Tian-Yu Zhang, Yi Yuan, Le Wang, Ya-Pan Wu, Qing-Wen Han, Ruan Chi, Dong-Sheng Li
Summary: Two isostructural metalorganic frameworks (MOFs), CTGU-36-Co and CTGU-36-Ni, were synthesized, and CTGU-36-Ni demonstrated high activity as a molecular electrocatalyst for the methanol oxidation reaction.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)
Article
Chemistry, Inorganic & Nuclear
Rachid Fakhreddine, Ali Ouasri, Abderrahim Aatiq
Summary: This paper reports the synthesis, structure, and spectroscopic studies of three novel metal orthophosphate salts. The structures of these compounds were refined using X-ray powder diffraction data. The infrared and Raman analysis revealed their symmetries and the UV-visible investigation determined their optical properties.
JOURNAL OF SOLID STATE CHEMISTRY
(2024)