Article
Engineering, Electrical & Electronic
A. Boumaza, S. Ghemid, H. Meradji, O. Nemiri, R. Belghit, F. Oumelaz, L. Hamioud, M. H. Gous, R. Khenata, S. Bin Omran, Xiaotian Wang
Summary: In this study, the structural, phase stability, elastic, and electronic properties of Sb-doped BBi in the zinc blende phase were systematically investigated using a first-principles approach based on density functional theory (DFT). The calculated results were in good agreement with experimental measurements and theoretical calculations, and the transition pressures between different phases were determined. The electronic band structures, mechanical properties, and anisotropic behavior of the BBi1-xSbx alloys were also examined.
JOURNAL OF ELECTRONIC MATERIALS
(2021)
Article
Physics, Multidisciplinary
A. Hamodi, Natheer B. Mahmood, Y. Hamodi, Farqad R. Saeed, K. K. Naji
Summary: This paper focuses on the relationship between energy bandgap, temperature T, and composition x in the Pb1-x Sn x Te topological crystalline insulator system, and investigates the influence of crystal structure phase transition on its topological features.
Article
Materials Science, Multidisciplinary
Mohammed S. Abu-Jafar, Vincent Leonhardi, Raed Jaradat, Ahmad A. Mousa, Samah Al-Qaisi, Nada T. Mahmoud, Ahmed Bassalat, R. Khenata, A. Bouhemadou
Summary: This study investigates the properties of Scandium Carbide compound using first-principles calculations, revealing that NaCl and NiAs structures are mechanically and dynamically stable phases, while ZB and CsCl structures are unstable. The electronic structures of all considered structures show metallic character.
RESULTS IN PHYSICS
(2021)
Article
Crystallography
Abdeldjalil Arroussi, Mohamed Ghezali, Abdelbasset Baida, Belkacem Mahfoud, Benameur Amiri
Summary: MgF2, a transparent compound for UV applications, was studied using the FLAPW method with WC-GGA and modified Becke-Johnson potentials. The structural, optical, electronic, and elastic properties of MgF2 compounds in three phases were found to be remarkably similar at all levels, showing agreement with the literature.
Article
Physics, Multidisciplinary
Aldo Sayeg Pasos-Trejo, Atahualpa S. Kraemer
Summary: Researchers introduced a lattice gas model with a modified Hamiltonian to simulate the formation of floppy and rigid structures in chalcogenide glasses with pollutants. By penalizing redundant bonds in the network, they studied the thermodynamics of the system and observed different phase transitions at varying chemical potentials.
FRONTIERS IN PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Apurva A. Pradhan, Madeleine C. Uible, Shubhanshu Agarwal, Jonathan W. Turnley, Shriya Khandelwal, Jonas M. Peterson, Daria D. Blach, Ryan N. Swope, Libai Huang, Suzanne C. Bart, Rakesh Agrawal
Summary: Luminescent BaZrS3 and BaHfS3 chalcogenide perovskite films were successfully synthesized using solution processing method. This study also discovered new chemical species that have never been reported before, opening up new possibilities for the future fabrication of chalcogenide perovskite thin films for optoelectronic applications.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Yi Shuang, Qian Chen, Mihyeon Kim, Yinli Wang, Yuta Saito, Shogo Hatayama, Paul Fons, Daisuke Ando, Momoji Kubo, Yuji Sutou
Summary: 2D van der Waals (vdW) transition metal di-chalcogenides (TMDs) have attracted significant attention in the nonvolatile memory field due to their tunable electrical properties, scalability, and potential for phase engineering. However, their complex switching mechanism and complicated fabrication methods pose challenges for mass production. In this study, low-Tm 2D vdW TM tetra-chalcogenides were investigated, and NbTe4 was identified as a promising candidate with an ultra-low Tm of around 447°C. The simultaneous presence of a low Tm and a high crystallization temperature Tc in NbTe4 can potentially resolve issues in current phase-change memory compounds.
ADVANCED MATERIALS
(2023)
Article
Physics, Multidisciplinary
I Duz, H. H. Kart, S. Ozdemir Kart, V Kuzucu
Summary: The research uses Density Functional Theory based first principles calculations to investigate the structural, mechanical, electronic properties and phase transition behaviors of HgTe chalcogenide material. Different crystal structures are found under different pressures, each exhibiting distinct mechanical and electronic properties.
Article
Engineering, Environmental
Kuo-Yuan Hwa, Anindita Ganguly, Aravindan Santhan
Summary: The increasing usage of the drug mebendazole in humans and livestock is a serious environmental pollutant. Therefore, monitoring the residues of mebendazole in environmental samples and human fluids is crucial for reducing ecological risk and improving human health. In this study, copper selenide nano/microspheres were synthesized and treated with rGO-ODA, and a sensor for detecting mebendazole was developed using various techniques. The sensor exhibited a low limit of detection and high sensitivity, and it showed promising results in real-time analysis of aquatic and biological samples.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Zhiyong Yu, Shulin Xu, Yonggang Feng, Chengyong Yang, Qing Yao, Qi Shao, Ya-Fei Li, Xiaoqing Huang
Summary: In this study, active and stable Pd-Se alloy electrocatalysts with controlled phase for alkaline ORR were explored, showing that Pd17Se15 NPs/C exhibit much better ORR performance compared to Pd17Se4 NPs/C, commercial Pd/C, and Pt/C. The enhanced activity is attributed to the stronger oxygenated species adsorption capacity of Pd in Pd17Se15, leading to more charge transfer from the surface to the *OOH intermediate as revealed by DFT analysis.
Article
Quantum Science & Technology
Masaki Hattori, Giovanni Tomassucci, Genki Hayashi, Mario Okawa, Marek Kopciuszynski, Alexey Barinov, Yangfan Lu, Hidenori Takagi, Naurang L. Saini, Takashi Mizokawa
Summary: The electronic properties of insulators can be controlled by chemical substitution, which has been used to obtain exotic superconducting phases in Mott insulators. However, the impact of chemical substitution on excitonic insulators is not well studied. In this study, space-resolved angle-resolved photoemission spectroscopy of Ta2Ni(Se1-xSx)(5) was conducted to explore the effect of S substitution on the excitonic behavior. The results showed that the substitution introduced electronic inhomogeneity, but the excitonic coupling in Ta2NiSe5 remained robust against this inhomogeneity.
ADVANCED QUANTUM TECHNOLOGIES
(2023)
Article
Chemistry, Physical
Y. Takagaki, B. Jenichen, M. Ramsteiner, J. Herfort
Summary: Insulating compounds are spontaneously produced during reactions between Al and chalcogenides with certain elements, leading to the generation of electrical barriers and interfacial resistance switching. The behavior of resistance switching varies with different transition metal constituents such as Cu, Ni, and Ag in the alloys. The properties of alloy films also significantly change with synthesis temperature, with Cu-containing films showing much lower sheet resistivity compared to Ag- and Ni-containing films.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Physics, Applied
Abdesamed Benbedra, Said Meskine, Abdelkader Boukortt, Roland Hayn, Hamza Abbassa
Summary: We conducted a computational study on the crystal structure and electric polarization of strained wurtzite III-V nitrides and II-VI oxides using density functional theory and the Berry phase method. The study aimed to investigate the effects of compressive uniaxial strain along the hexagonal c-axis on lattice parameters, piezoelectric polarization, and piezoelectric constant. Our results showed that imposing such strain enhanced the piezoelectric response, increasing both polarization and piezoelectric coefficient. The internal parameter of the wurtzite structure also increased with uniaxial strain, eventually resulting in a phase transition into a layered hexagonal structure. Furthermore, we discussed the enhanced piezoelectricity's physical origin, attributing it to a strong increase in the response of the internal parameter to strain.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Zhonghai Yu, Haolei Hui, Damien West, Han Zhang, Yiyang Sun, Sen Kong, Yin Zhang, Chenhua Deng, Sen Yang, Shengbai Zhang, Hao Zeng
Summary: This study reports the realization of four different types of chalcogenide perovskite thin films with controlled phases through CS2 annealing. These films exhibit bandgaps and photoluminescence (PL) in the visible range. The variation in PL width across different compounds is attributed to the difference in kinetic barriers between local structural motifs. The findings highlight the potential of chalcogenide perovskite thin films for optoelectronic applications, while emphasizing the challenges in synthesis and performance optimization.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Sneha Yadav, Shivamurthy Ravindra Yashas, Harikaranahalli Puttaiah Shivaraju
Summary: The interest in transition metal chalcogenides is due to their abundance, tunable properties and various applications, making them suitable for a wide range of environmental solutions and also compared with traditional nanomaterials.
ENVIRONMENTAL CHEMISTRY LETTERS
(2021)
Article
Engineering, Electrical & Electronic
A. Saim, F. Belkharroubi, F. Z. Boufadi, I Ameri, L. F. Blaha, A. Tebboune, M. N. Belkaid, W. Belkilali, M. Ameri, Y. Al-Douri, A. F. Abd El-Rehim
Summary: This paper investigates the structural, elastic, electronic, and optical properties of half-Heusler CaMgZ (Z = C, Si, Ge, Sn, Pb) compounds. The calculations reveal that these compounds have desirable structural and elastic properties, and they exhibit semiconductor behavior with significant optical absorption.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
A. Khireddine, A. Bouhemadou, S. Maabed, S. Bin-Omran, R. Khenata, Y. Al-Douri
Summary: This study reports and discusses the detailed first-principles calculations of the properties of a new Zintl phase dibarium zinc diphosphide (Ba2ZnP2), including structural, elastic, electronic, optical, and thermoelectric properties. The calculated results are in good agreement with experimental data, and the compound shows potential for thermoelectric applications.
SOLID STATE SCIENCES
(2022)
Article
Physics, Condensed Matter
Moulay Noureddine, Liani Mohamed, Y. Al-Douri, Bensaid Djillali, Berrahal Mokhtar
Summary: This study investigates the influence of chiral index and chiral angle on the vibration characteristics of single-walled carbon nanotubes (SWCNTs). Utilizing the nonlocal Euler-Bernoulli beam model and nonlocal continuum theory, the free vibration characteristics of SWCNTs are examined, indicating significant impact of these factors on the vibration properties of SWCNTs.
COMPUTATIONAL CONDENSED MATTER
(2022)
Article
Materials Science, Multidisciplinary
Laroussi Samia, Fadila Belkharroubi, Ameri Ibrahim, Blaha Farah Lamia, Asma Saim, Ahmed Maizia, Ameri Mohammed, Y. Al-Douri
Summary: A study on the structural, elastic, electronic, and magnetic properties of full-Heusler X2LuSb (X = Mn and Ir) compounds is conducted using first principle calculations. The effect of the Hubbard correction on the magnetic and electronic properties is determined through the use of GGA + U approximation.
EMERGENT MATERIALS
(2022)
Article
Physics, Condensed Matter
S. Alnujaim, A. Bouhemadou, M. Chegaar, A. Guechi, S. Bin-Omran, R. Khenata, Y. Al-Douri, W. Yang, H. Lu
Summary: In this paper, the properties of Cs2InSbCl6 and Cs2InBiCl6 crystals were studied using computational methods. The results show that these compounds are thermally and mechanically stable, have direct bandgaps, and exhibit broad absorption.
EUROPEAN PHYSICAL JOURNAL B
(2022)
Article
Energy & Fuels
Tholkappiyan Ramachandran, Abdel-Hamid Mourad, Ramesh Kumar Raji, Ramachandran Krishnapriya, Nizamudeen Cherupurakal, Abdul Subhan, Yarub Al-Douri
Summary: In this study, a hexagonal-like CoMn2O4 material was successfully synthesized by using a surfactant agent in a hydrothermal process. The structure and morphology of the material were analyzed, and it was found to exhibit excellent capacitance and cyclic stability, which can be attributed to its abundant active sites and efficient electronic transfer routes.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Physical
Asma Hassan, Muhammad Ismail, Ali H. Reshak, Zeshan Zada, Abdul Ahad Khan, Khadija Siraj, M. Fazal Ur Rehman, Muhammad Arif, Khadija Sira, Shafqat Zada, G. Murtaza, Muhammad M. Ramli
Summary: In this paper, a comparative study was conducted on the structural, electronic, and spectroscopic properties of three heterocyclic polymers: polypyrrole, polythiophene, and polyfuran. The effects of heteroatoms (O, N, S) on the properties of these polymers were investigated using quantum chemical calculations. The calculated results showed excellent agreement with experimental data, and the predicted order of attraction among the polymers was polythiophene > polyfuran > polypyrrole based on the optimized geometric parameters and spectroscopic studies.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Physics, Condensed Matter
Houssam Eddine Hailouf, L. Gacem, A. Gueddim, Ali H. Reshak, K. O. Obodo, B. Bouhafs
Summary: Recent experiments have shown that Na2ZnP2O7 host lattice doped with transition metal ions has potential as luminescent materials. A detailed study using ab-initio DFT-based calculations reveals the effects of Fe dopants on the properties of the host lattice. The electronic band structure, density of states, and dielectric functions of the pristine and doped crystal structure show changes induced by the Fe dopant ion.
PHYSICA B-CONDENSED MATTER
(2023)
Article
Physics, Multidisciplinary
Taif Saad Al Maadhede, Mohammad Hafizuddin Jumali, Hadi J. Al-Agealy, Chi Chin Yap, Y. Al-Douri
Summary: The effects of different solvents (2,2,2-Trifluoroethanol, 1-propanol, Ethanol and Acetonitrile) on the performance of D149 dye-sensitized ZnO-based solar cells were investigated using a quantum mechanical model. The incorporation of solvents with low transition energies was found to enhance current densities and improve the efficiency of the solar cells. Among the tested solvents, 2,2,2-Trifluoroethanol showed the highest efficiency of 1.662%. Ethanol inclusion had a slightly lower efficiency due to a lower fill-factor, but higher current density. The decrease in open circuit voltage was compensated by the obtained gain in J(sc), leading to maximum efficiency for solar energy conversion.
EUROPEAN PHYSICAL JOURNAL PLUS
(2023)
Article
Materials Science, Multidisciplinary
Zeshan Zada, Junaid Khan, Abdul Ahad Khan, Ali H. Reshak, Dania Ali, Fazal Ur Rehman, Inayat Urrahman, Muhammad Saqib, Muhammad Irfan, Muhammad M. Ramli
Summary: In this study, the detailed properties of the rare-Earth based XMn2Si2 (X=Dy, Er) compounds were investigated using the FP-LAPW method with GGA+U in the ferromagnetic phase. The results show that the ferromagnetic phase is the most suitable for these compounds, as supported by previous experimental findings. The compounds exhibit metallic behavior with hybridization between the Dy/Er-f and Mn-d states in the valence band and the Si-p state in the conduction band. The rare-Earth based DyMn2Si2 compound shows stronger ferromagnetic behavior patterns compared to ErMn2Si2. Additionally, ErMn2Si2 demonstrates high ZT values in the high-temperature region, making it a potential contender for high-temperature applications in waste heat management.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Physical
Rachedi Samia, Azzaz Yahia, Benamara Ahmed, Berrahal Mokhtar, Moulay Noureddine, Liani Mohamed, Bensaid Djillali, Y. Al-Douri
Summary: In this study, the electronic, thermal, and piezo-electric properties of BiAlO3 and BiScO3 perovskite-type cubic crystalline structures were analyzed using the FP-LAPW method based on DFT. The GGA and GGA-PBE were employed to accurately describe the exchange and correlation potential. The calculated characteristics of the actual states showed good agreement with observational data. The mechanical stability of the compounds was proven through their elastic characteristics, and their various thermal properties were investigated using the Debye's quasiharmonic model. Additionally, the piezoelectric characteristics of the compounds were derived using the Berry phase approach.
Article
Physics, Multidisciplinary
Djamel Allali, Rabie Amari, Abdelmadjid Bouhemadou, Ammar Boukhari, Bahri Deghfel, Saber Saad Essaoud, Saad Bin-Omran, Missoum Radjai, Rabah Khenata, Yarub Al-Douri
Summary: The present research utilizes ab initio computations to examine the thermodynamic, structural, and elastic characteristics of XAgO ternary oxides. The calculations were in good agreement with both experimental measurements and theoretical predictions, suggesting the accuracy of the computational methods used. This study provides computational predictions for the elastic properties of XAgO compounds and successfully predicts their behavior.
Article
Chemistry, Physical
Jibril I. Al-Hawarin, Abdel-Aziz Abu-Yamin, Abd Al-Aziz A. Abu-Saleh, Ibrahim A. M. Saraireh, Mansour H. Almatarneh, Mahmood Hasan, Omar M. Atrooz, Y. Al-Douri
Summary: A new Schiff base and its metal complexes were synthesized and characterized experimentally. The structures and spectroscopic properties were studied using density functional theory (DFT) calculations. The ligand and its complexes exhibited potential effects in various biological activities.
Article
Multidisciplinary Sciences
Alfarooq O. Basheer, Ali Abu Odeh, Y. Al-Douri
Summary: The structural properties and characteristics of date palm fiber-based low-cost carbon nanotubes (CNTs) and nanostructured powder activated carbon (DP-NPAC) were investigated using various microscopy techniques and X-ray diffraction. The results demonstrated that both DP-NPAC and CNTs exhibited desirable properties for future fabrication and manufacturing, such as a crystallite structure, nano-scale size, and high capacity. The findings suggested that DP-NPAC could be a promising and cost-effective precursor for the synthesis of CNTs.
Article
Physics, Multidisciplinary
Z. Zada, A. A. Khan, R. Zada, A. H. Reshak, G. Murtaza, M. Saqib, M. M. Ramli, J. Bila
Summary: Detailed cationic-ligand variation of LmAl(2)Ge(2) compounds has been studied using the full potential augmented plane wave (FP-APW) method within density functional theory (DFT). The theoretical calculations provide reliable results that are consistent with experimental data. The study shows that the ferromagnetic phase is more stable and exhibits desirable magnetic properties. Band structure and density of state (DOS) of LmAl(2)Ge(2) confirm their metallic character and strong hybridization between (Ca, Y, La) d and Ce f states with (Al, Ge) p states. The analysis of magnetic properties reveals weaker ferromagnetic character in CaAl2Ge2, YAl2Ge2, and LaAl2Ge2 compounds compared to CeAl2Ge2 compound.
INDIAN JOURNAL OF PHYSICS
(2022)
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)
