Article
Chemistry, Physical
S. J. Sondarva, D. Shah
Summary: In this study, the complex oxide Mn3TeO6 (MTO) compound was synthesized using solid-state reaction method at high processing temperature. The material was characterized in terms of structure, morphology, and electrical properties. The dielectric constant and conductivity of the compound were found to increase with temperature, indicating a correlated barrier hopping mechanism responsible for conduction.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Arfa Riaz, Muhammad Azhar Khan, Muhammad Junaid, Shagufta Gulbadan, Alina Manzoor, Syeda Rabia Ejaz, Ghulam Abbas Ashraf, H. H. Somaily, Manal Morsi, Thamraa Alshahrani
Summary: The substitution of Neodymium in cobalt-zinc ferrite was analyzed, and its effects on the structural, magnetic, and dielectric properties were investigated.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Materials Science, Ceramics
Muhammad Azhar Khan, Sohail Afzal, Shagufta Gulbadan, Khalid Mahmood, Ghulam Abbas Ashraf, Majid Niaz Akhtar
Summary: Nano-crystalline Gd-substituted X-type hexaferrites with different Gd concentrations were synthesized and their properties were studied. X-ray diffraction confirmed the single and pure phases of hexagonal ferrites. The dielectric properties showed frequency dependence and suggested potential applications in high-frequency devices and supercapacitors. Raman spectra and SEM images further supported the findings.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Muhammad Shahzad Shifa, Waqar Ahmed Khan, Hind Albalawi, Tahani I. Al- Muhimeed, Abeer A. AlObaid, Q. Mahmood, Muhammad Azhar Khan, Shagufta Gulbadan, Zaheer Abbas Gilani, Imdadullah Qureshi
Summary: M-type hexa-ferrites powders were synthesized using the coprecipitation technique and subjected to heat treatment at different temperatures. The synthesized materials exhibited excellent structural and magnetic properties, showing potential for applications in high-frequency devices.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Gulzar Ahmad Lone, Mohd Ikram
Summary: This study investigates the structural and dielectric properties of pristine and Ni-doped spinel CoFe2O4. The samples were synthesized using a solid-state reaction approach, and the structural analysis confirmed a single-phase FCC cubic spinel structure. The cationic distribution revealed changes in occupancy due to doping. SEM and EDS were used for microstructural and elemental composition analysis. The study found the presence of orientational and interfacial polarization in the samples. The dielectric constant showed a temperature-dependent behavior, with an increase observed after reaching a certain temperature. CoFe1.9Ni0.9O4 exhibited low dielectric loss and strong relaxation behavior.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Rukhsana Kausar, Muhammad Azhar Khan, Shagufta Gulbadan, Muhammad Junaid, Altaf Hussain, Alina Manzoor, H. H. Somaily, Mohamed S. Attia, Mohammed A. Amin
Summary: This study investigates the impacts of nickel substitution on the dielectric, magnetic, and structural characteristics of Ba4Cu2-xNixFe36O60 hexaferrites prepared by the sol-gel method. Various analytical techniques were used to analyze the crystalline structure, magnetic properties, and dielectric features of the samples. The results show that these nanomaterials are suitable for high-frequency applications.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Materials Science, Ceramics
Muhammad Adil Mahmood, Abdul Majeed, Taharh Zelai, Tahani I. Al-Muhimeed, Abeer A. AlObaid, Manal Morsi, Hind Albalawi, Umar Ayaz Khan, Muhammad Azhar Khan
Summary: Cadmium substituted Z-type hexaferrites were prepared using the sol-gel route, and their phase temperature, crystallite sizes, magnetic properties, and dielectric properties were studied. The saturation magnetization and coercivity increased with the concentration of Cd2+, indicating a significant impact on the magnetic properties. Dielectric parameters showed an increasing trend with the substitution of Cd2+.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Tahira Akhter, Hasan M. Khan, Shehla Honey, Syed Sajjad Hussain, Muhammad Zahid, Muhammad Sufyan Javed, Razan A. Alshgari, M. S. Saleh Mushab, Patrizia Bocchetta, Mohd Zahid Ansari
Summary: This study synthesized rare earth substituted W-type hexagonal ferrites using a sol-gel auto combustion method and investigated their structural, magnetic, spectral, and dielectric properties. The results showed that the substitution of Ytterbium improved the magnetic properties of the materials and had the potential to reduce coercivity and enhance electrical characteristics.
CERAMICS INTERNATIONAL
(2022)
Article
Physics, Multidisciplinary
Hisham A. Saleh, A. A. Azab, T. M. Dahy
Summary: Novel quaternary CuNiSbS chalcogenide material was prepared using a simple co-precipitation method, and its structure, morphology, infrared absorption, and energy band gap were characterized. The AC conductivity, dielectric properties, and magnetic behavior of the prepared material were also investigated.
Article
Polymer Science
F. Mohamed, Talaat A. Hameed, A. M. Abdelghany, G. Turky
Summary: Films of polyethylene oxide filled with silicon dioxide were synthesized using the casting method. The addition of SiO2 to PEO increased amorphousity and disrupted the crystalline phase. The dielectric relaxation spectra of PEO were affected by the presence of SiO2, leading to changes in molecular relaxation processes and a decrease in the motion of PEO segments. The terahertz waves passing through PEO/SiO2 samples were also influenced by the presence of SiO2, resulting in weakened, broadened, and red-shifted resonant peaks.
Article
Materials Science, Ceramics
Misbah Idrees, Muhammad Azhar Khan, Shagufta Gulbadan, Khalid Mahmood, Ghulam Abbas Ashraf, Majid Niaz Akhtar
Summary: The structural and dielectric properties of Gadolinium substituted U-type hexaferrites were investigated. The samples were synthesized via a Sol-gel auto combustion route and characterized by various spectroscopic techniques. The results suggested that the prepared materials can be used extensively for different Micro-Wave attenuation purposes.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Inorganic & Nuclear
Ch. Rambabu, K. Subrahmanya Sarma, Ch. Shivanarayana, U. Padmavathi, R. Swetha, K. Raju, Khalid Mujasam Batoo, N. Murali, Ritesh Verma, P. V. Lakshminarayana
Summary: The substitution of La-Cu in nano hexagonal ferrites of Strontium had effects on the structural and magnetic properties, leading to a decrease in crystallite sizes and unit cell parameters, as well as an increase in saturation magnetization with doping levels.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Chemistry, Physical
S. Leelashree, P. D. Babu, S. N. Kaul, S. Srinath
Summary: This work reports on the magnetic, dielectric and structural properties of the nanocrystalline Lu1-xHoxFeO3 (x = 0.0 - 1.0) solid solutions. The substitution of Ho at the Lu site increases the ground state magnetic moment and the spin reorientation temperature and compensation temperature increase with the Ho concentration. The magnetocrystalline anisotropy essentially governs the coercive field.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Ceramics
Chetna C. Chauhan, Tanuj M. Gupta, Reshma A. Nandotaria, Abhishek A. Gor, Charanjeet Singh Sandhu, Kanti R. Jotania, Rajshree B. Jotania
Summary: The study synthesized a series of M-type hexaferrites using citrate gel auto combustion method, showing various magnetic properties and influencing factors of cobalt substitution on dielectric properties.
CERAMICS INTERNATIONAL
(2021)
Article
Polymer Science
Priyanka Dhatarwal, Shobhna Choudhary, R. J. Sengwa
Summary: By dispersing SnO2 nanoparticles in the PEO matrix, a significant improvement in complex dielectric permittivity and electrical conductivity was observed, along with enhanced molecular polarization. Furthermore, the chain segmental dynamics and dc electrical conductivity nonlinearly increased with higher SnO2 content in the polymer structure.
Article
Materials Science, Ceramics
Shagufta Gulbadan, Muhammad Azhar Khan, Ghulam Abbas Ashraf, Khalid Mahmood, Muhammad Shahid, M. Irfan, Abrar Ahmad
Summary: Ba0.6Sr0.4-xYbxFe12-yCoyO19 M-type hexaferrite was synthesized using the auto combustion sol-gel process and sintered in a muffle furnace. XRD, FTIR, Raman, and Photoluminescence spectroscopies were used to analyze the samples. The XRD patterns confirmed the single phase of the synthesized samples. Changes in Yb-Co concentration affected lattice parameters and unit cell volume. FTIR spectroscopy revealed the formation of multiple absorption bands. Raman spectra showed strain in the unit cell. PL spectra exhibited emissions in the range of 630 nm-700 nm. The substitution improved dielectric losses and AC conductivity. The findings suggest that samples with appropriate cationic substitution can be used for microwave and high-frequency applications.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Muhammad Arshad, Muhammad Azhar Khan, Ghulam Abbas Ashraf, Khalid Mahmood, Muhammad Imran Arshad
Summary: A series of (Zr-Co) substituted Y-type polycrystalline hexaferrite were fabricated by sol-gel auto combustion method, and their structural and electrical properties were investigated. The addition of Zr4+-Co2+ metal cations resulted in an increase in lattice parameters and a decrease in grain size. The formation of pure single-phase Y-type hexaferrites was confirmed by X-ray powder diffraction and FTIR spectra. The electrical resistivity, dielectric properties, and complex impedance spectroscopy indicated that the substitution of Zr4+-Co2+ ions significantly influenced the conduction and dielectric behavior of the nano ferrite materials.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Amna Irshad, H. H. Somaily, Sonia Zulfiqar, Muhammad Farooq Warsi, Muhammad Imran Din, Khadija Chaudhary, Muhammad Shahid
Summary: In this study, NiAl2O4 and silver doped NiAl2O4 were synthesized using a sol-gel approach, and their composite with g-C3N4 was successfully prepared through ultrasonication. The characterization of the fabricated materials was done using various techniques, and the electrochemical behavior of the fabricated electrode materials was investigated using electrochemical techniques. The results showed that Ag-NiAl2O4@g-C3N4 nanocomposite was a more active electrode material compared to the other prepared electrodes.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Ceramics
Muhammad Azhar Khan, Sohail Afzal, Shagufta Gulbadan, Khalid Mahmood, Ghulam Abbas Ashraf, Majid Niaz Akhtar
Summary: Nano-crystalline Gd-substituted X-type hexaferrites with different Gd concentrations were synthesized and their properties were studied. X-ray diffraction confirmed the single and pure phases of hexagonal ferrites. The dielectric properties showed frequency dependence and suggested potential applications in high-frequency devices and supercapacitors. Raman spectra and SEM images further supported the findings.
CERAMICS INTERNATIONAL
(2023)
Article
Physics, Condensed Matter
Memoona Mehmood, Muhammad Nasir Rasul, Altaf Hussain, Muhammad Amir Rafiq, Faisal Iqbal, Alina Manzoor, Muhammad Azhar Khan
Summary: In this study, the physical properties of novel antiperovskite materials XCRh3 (X = Cd, Ta, W, Re, Os, Ir, Pt, Au, Hg, Ce, Pr, Nd, Pm, Sm, Eu, Tb) were investigated using density functional theory. The study focused on structural, electronic, elastic, magnetic, and thermodynamic properties, and included the computation of mechanical parameters and analysis of thermodynamic properties under various pressures and temperatures.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Biology
Muhammad Asam Raza, Umme Farwa, Muhammad Danish, Seyhan Ozturk, Aysen Alaman Aagar, Necmi Dege, Shafiq Ur Rehman, Abdullah G. Al-Sehemi
Summary: Molecular modeling strategy was employed to assess the biological potential of imine based molecules against free radicals, acetylcholine esterase, and butyrylcholine esterase. Three Schiff based compounds were synthesized successfully and characterized using various techniques. The results showed that compound 3 exhibited the highest potential in terms of radical scavenging and enzyme inhibition. ADMET assessments also indicated that the synthesized compounds possessed drug-like properties. Overall, the study demonstrated the ability of the synthesized compounds to treat disorders associated with free radicals and enzyme inhibition, with compound 3 being the most active among them.
COMPUTATIONAL BIOLOGY AND CHEMISTRY
(2023)
Article
Polymer Science
Muhammad Danish, Saman Akram, Zeshan Ali Sandhu, Arusa Akhtar, Ataf Ali Altaf, Shafiq Ullah, Aaqib Ali, Muhammad Asam Raza
Summary: In this research study, triplumbic tetroxide (Pb3O4)/tricobalt tetroxide (Co3O4) nanocomposites (NCs) were synthesized using a modified process of inverse microemulsion for electrochemical applications. The NCs exhibited excellent capacitance performance, with the highest specific capacitance and energy density values of 892.01 F g(-1) and 60.70 W h g(-1) respectively. Even after 4000 cycles, more than 89% capacitance was sustained, demonstrating the excellent stability of the Pb3O4/Co3O4 composite. The enhanced supercapacitive properties of these NCs were attributed to their high surface area to volume ratio, enhanced conductivities, and good specific capacitance values achieved by modulating the Co3O4 content in the NCs.
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
M. S. Akbar, M. A. Rafiq, A. Javed, M. N. Rasul, M. A. Khan, A. Hussain
Summary: Theoretical calculations were performed on the structural, elastic, magnetic, electronic, and thermoelectric properties of ARh2O4 (A = Co, Ni, Cu, Zn) oxides. The results show that these oxides are structurally and mechanically stable. They exhibit high anisotropic behavior in their mechanical properties and have ductile and covalent bonding nature in their elastic properties. The electronic properties reveal different conductive behaviors for each oxide, with some showing metallic, semimetallic, or p-type semiconductive behavior. Additionally, the oxides have magnetic exchange interactions and exhibit good thermoelectric properties, with ZnRh2O4 being the most promising candidate for thermoelectric devices.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2023)
Article
Biochemistry & Molecular Biology
Mohammad Aatif, Muhammad Asam Raza, Mohamed El Oirdi, Mohd Farhan, Muhammad Waseem Mumtaz, Muhammad Hamayun, Adnan Ashraf, Ghazala Muteeb
Summary: Bioassay-guided isolation of colchicine and caffeine from Camellia sinensis and Colchicum luteum, respectively, using a protease assay model. Structural validation was carried out using spectral techniques. Optimization of the purified compounds was performed using Gaussian software. Several global reactivity characteristics were determined to explain the diverse behavior of the compounds.
Article
Environmental Sciences
M. Abdullah, G. Murtaza, Muhammad Azhar Khan
Summary: CuFe2O4 nanoparticles were synthesized via the sol-gel auto combustion method and hybridized with layer-structured graphene. The nanoparticles exhibited a crystallite size up to 53 nm, with variations depending on the copper ferrite content. Fourier transform infrared spectroscopy confirmed the presence of carboxyl stretching, aromatic stretching, and Fe-O bonds. Scanning electron microscopy images revealed the surface morphology of the nanoparticles and nanocomposites, while vibrating sample magnetometer results showed their magnetic properties. Energy dispersive X-ray spectroscopy and Brunauer-Emmett-Teller surface area analysis confirmed the composition and surface characteristics of the materials. The composite demonstrated excellent adsorption capacities for As(III) and As(V) due to the synergistic effect of CuFe2O4 and graphene.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Chemistry, Physical
Shahana Zainab, Waseeq Ahmad Siddiqui, Muhammad Asam Raza, Adnan Ashraf, Muhammad Pervaiz, Faisal Ali, Umer Younas, Aimon Saleem, Muhammad Ashfaq, Muhammad Nawaz Tahir
Summary: In this study, mononuclear complexes of oxicam precursor with Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) metal ions were successfully prepared. Various techniques were used to confirm the synthesis of transition metal complexes, including UV/Vis, FT-IR, 1H NMR spectroscopies, elemental analysis, and magnetic susceptibility measurements. The coordination geometry of the Cu(II) complex 5 was determined to be square planar based on XRD analysis. The compounds showed potential for COX-I and COX-II inhibition, indicating their potential anti-inflammatory properties.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Biochemistry & Molecular Biology
Muhammad Asam Raza, Muhammad Waseem Mumtaz, Seyhan Ozturk, Muhammad Latif, Adnan Ashraf, Necmi Dege, Onur Erman Dogan, Erbil Agar, Shafiq Ur Rehman, Awal Noor
Summary: The present study aimed to assess the in vitro and in silico potential of two Schiff bases synthesized using a reported method. The structures of the compounds were determined using spectroscopic techniques and single-crystal XRD. Molecular docking studies and in vitro assessment suggested that these compounds could act as enzyme inhibitors against acetylcholine esterase (AChE) and butyrylcholine esterase (BChE).
Article
Chemistry, Physical
Majid Niaz Akhtar, Zainab Mufarreh Elqahtani, Sabih Qamar, Abdullah Almohammedi, M. Irfan, Muhammad Azhar Khan, Muhammad Yousaf, Atif Nazir, Yuzheng Lu, Mustafa Z. Mahmoud, Muhammad Aslam, Z. A. Alrowaili, M. S. Al-Buriahi
Summary: The absorption characteristics of Co, Cu, and Zn-doped Ni-Ce nano ferrites were investigated and it was found that the Zn-doped NiCe absorber showed excellent performance for Ku band absorption applications, making it suitable for next-generation multifunctional absorbers.
SURFACES AND INTERFACES
(2023)
Review
Materials Science, Multidisciplinary
Zeshan Ali Sandhu, Muhammad Asam Raza, Nasser S. Awwad, Hala A. Ibrahium, Umme Farwa, Sawera Ashraf, Arooj Dildar, Eman Fatima, Sufyan Ashraf, Furqan Ali
Summary: This study investigates the rapidly developing field of metal-organic frameworks (MOFs) as essential components for new energy storage technologies. Due to their distinctive structures and configurable porosities, MOFs provide a fascinating platform for energy storage. The study provides a in-depth understanding of the energy storage potential and recent developments of MOFs.
MATERIALS ADVANCES
(2023)
Article
Materials Science, Multidisciplinary
Zaka Ullah, Abdul Majeed, Javed Rehman, Ejaz Ahmad Khera, Muhammad Azhar Khan, Fayyaz Hussain, Norah Salem Alsaiari, Muhammad Naeem Khan, Khadijah Mohammed Saleh Katubi, Van An Dinh
Summary: Ba1-xSrxZr0.3Ti0.7O3 materials with different Sr concentrations were synthesized using solid state reaction method. The structural properties and dielectric properties of the samples were investigated. The results showed that the diffusivity and dielectric constant varied with increasing Sr concentration.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2023)
Article
Physics, Condensed Matter
A. Jbeli, N. Zeiri, N. Yahyaoui, P. Baser, M. Said
Summary: The electronic and optical properties of CdSe/ZnSe semiconductor core/shell quantum dots with hydrogenic donor impurity were investigated theoretically. The perturbation and variational methods were used to calculate the binding energy, photoionization cross-section, polarizability, and diamagnetic susceptibility of the excited impurity under various conditions. A significant stark shift in the binding energy was observed under the influence of an external electric field.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Rahat Batool, Tariq Mahmood, Sajid Mahmood, Abdul Aziz Bhatti
Summary: This study investigates the effects of alkali metal doping (Na, K, Cs) on MAPbI3 through compositional engineering. The results show that doping Na, K, and Cs can improve the phase stability, thermodynamic stability, and optical absorption of MAPbI3.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
N. A. N. M. Nor, M. A. H. Razali, W. H. A. W. K. Annuar, N. N. Alam, F. N. Sazman, N. H. M. Zaki, A. S. Kamisan, A. I. Kamisan, M. H. Samat, A. M. M. Ali, O. H. Hassan, B. U. Haq, M. Z. A. Yahya, M. F. M. Taib
Summary: This study investigates the potential of quaternary chalcogenides semiconductors as thin film solar cell absorbers using density functional theory (DFT) and density functional theory plus Hubbard U (DFT + U) approach. The results show that by applying Hubbard U terms, the electronic band gaps can be accurately predicted, providing valuable insights for finding cost-effective new thin film solar cell materials.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Ashwani Kumar, Anuj Kumar, Mohaseen S. Tamboli, Mohd Ubaidullah, J. Jayarubi, S. K. Tripathi
Summary: In this study, lead-based perovskite solar cells are replaced by bismuth-based perovskite cells to overcome their instability and toxicity. CsBi3I10 perovskite films are fabricated using a modified drop-casting process, and the effects of post-annealing temperature on the morphological, structural, and optical properties are investigated. The photovoltaic performance of the cells without a hole transport layer is also quantitatively evaluated.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Yang Gao, Shu-Ming Chen, Shuo Cao, Shang-Zhou Zhang, Philippe Djemia, Qing-Miao Hu
Summary: This study investigates the phase stability, elastic modulus, and hardness of ternary nitride Ti1-xAlxN. It is found that the hardness increases with the Al content x. The cubic B1 structure is more stable for x < about 0.75, while the hexagonal structure (B4) is more stable for x > about 0.75. The composition dependent hardness and phase decomposition contribute to the convex shaped hardness curve of Ti1-xAlxN.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Fengqi Wang, Qinyan Ye, Xulin He, Kun Luo, Xiaolong Ran, Xingping Zheng, Cheng Liao, Ru Li
Summary: This report uses rigorous calculations based on density functional theory to study the piezoelectric and elastic properties of wurtzite aluminum nitride (w-AlN) with single- and co-alloying by Hf (or Zr) and Sc. The research finds that the (HfSc)0.375Al0.625N and (ZrSc)0.375Al0.625N with stable wurtzite phase have a large piezoelectric coefficient d33 of 49.18 pC/N and 47.00 pC/N, respectively. However, the piezoelectric voltage constant g33 and electromechanical coupling constant k233 of HfAlN, ZrAlN, HfScAlN, and ZrScAlN are smaller than that of ScAlN, which is attributed to the large dielectric constant epsilon 33 of Hf (or Zr) alloying samples. Furthermore, the calculations of internal parameter u and bond angle alpha elucidate the brittle-to-ductile transformation in alloying w-AlN crystal structure. Electronic structure calculations show that the bandgap decreases almost linearly with the increase of alloying concentration, and the Hf (or Zr) alloying compounds become n-type semiconductors due to the existing high-charge states.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
S. R. Athul, K. Arun, S. Swathi, U. D. Remya, Andrea Dzubinska, Marian Reiffers, Nagalakshmi Ramamoorthi
Summary: The magnetic and magnetocaloric characteristics of Ho6FeSb2 have been studied. The compound exhibits two second-order ferromagnetic transitions, enabling hysteresis-free magnetocaloric effect across a wide temperature range. The alloy has high relative cooling power and magnetoresistance, making it suitable for hysteresis-free magnetocaloric applications.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Reena Sharma, Neelam Hooda, Ashima Hooda, Satish Khasa
Summary: A polycrystalline double perovskite La2CoMnO6 sample was prepared and its structural, dielectric and magnetic properties were investigated. The sample exhibited complex structures and magnetic behavior, and showed good conductivity and dielectric performance. Its multi-domain magnetic structure suggests its suitability for memory device applications.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Shubha Dubey, Jisha A. Abraham, Kumud Dubey, Vineet Sahu, Anchit Modi, G. Pagare, N. K. Gaur
Summary: This study investigates the optoelectronic, thermodynamic, thermoelectric, and mechanical stability properties of RhTiP Half Heusler semiconductors. The results show that RhTiP is a non-magnetic material with confirmed mechanical stability. It is found to be an indirect-bandgap semiconductor with a good Seebeck coefficient. This study suggests that RhTiP has promising applications in the thermoelectric and optoelectronic fields.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Xun Xie, Jiong-Ju Hao, Hong-Wei Yang
Summary: This work presents a multilayer film structure that uses optical resonance to prepare highly efficient and saturated red, green, and blue transmittance colors. Numerical simulations and analysis show that the structure can produce R, G, and B colors with a purity comparable to standard RGB colors, while maintaining efficient transmission efficiency and obtaining a rich variety of structural colors. Additionally, a metallic interlayer is introduced to selectively suppress resonances in the short-wavelength region, improving the purity of the red color. The study also investigates the effect of the incidence angle on color purity and transmission efficiency.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Yueqiang Zhao
Summary: Solubility property is of great interest in chemical, physical, pharmaceutical, material, and environmental sciences. Understanding the intrinsic reason behind solubility behavior is a fascinating task. The theoretical relation between binary mutual solubility and liquid-liquid interfacial tension has been derived, where the partitioning of solute molecules between two coexisting liquid phases is determined by the transfer free energy per unit segment for a chain-like solute molecule expressed in terms of solute-solvent interfacial tension. This general theory of solubility is in good agreement with experimental results for binary mutual solubility and molar transfer free energy of solute molecules.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Osama K. M. Bashiar, R. E. Kroon, H. C. Swart, R. A. Harris
Summary: ZnO thin films with near-infrared emission were successfully fabricated using pulsed laser deposition under vacuum conditions, without the need for additional gases or implantation methods. The NIR emission was hypothesized to be caused by defects in the ZnO film due to high energy particle impacts on the sample surface.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
O. Stognei, A. Berezutskii, I. Anisimov, A. Deryabin
Summary: The influence of ZrOn matrix stoichiometry on the electrical and magnetoresistive properties of Fe-Zr-O nanocomposites has been studied. It was found that the magnetoresistive effect is not observed in composites with oxygen lack, while composites with oxygen excess show magnetoresistive effect and increased resistivity. Magnetoresistivity in composites with oxygen lack only appears after heat treatment. These results can be explained by the difference in the density of localized states in the oxide matrix of the composites and the ratio between two types of conductivity.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
Mehmet Bayirli, Aykut Ilgaz, Orhan Zeybek
Summary: The present study aims to understand the relationship between impedance characteristics and fractal behaviors. By producing neat and carbon nanotube doped composite specimens, the researchers investigated the electrical properties and surface heteromorphology using Nyquist plots and fractal analysis.
PHYSICA B-CONDENSED MATTER
(2024)
Article
Physics, Condensed Matter
M. I. Khan, Saddam Hussain, Muhamad Saleem, Fatimah Mohammed Alzahrani, Muhammad Siddique, M. S. Hassan, Allah Ditta Khalid, Munawar Iqbal
Summary: The sol-gel method was used to deposit Ti-doped MAPbBr3 films on FTO-glass substrates with different doping ratios (0%, 4%, and 6%). XRD analysis confirmed the cubic structure of all films, and the 4% Ti-doped film exhibited a large grain size, low band gap energy, and high refractive index. Solar cells fabricated using the 4% Ti-doped MAPbBr3 film showed improved performance in terms of current density, open circuit voltage, fill factor, and efficiency.
PHYSICA B-CONDENSED MATTER
(2024)
