Article
Materials Science, Ceramics
Yaseen K. R. Shariff, Harish K. Choudhary, Vijay Khopkar, Ankit Yadav, R. Madhusudhana, Balaram Sahoo
Summary: This study reports the synthesis mechanism of Ba-Sr hexaferrite ceramic powders, revealing different phase evolution under various annealing conditions associated with the ionic radii difference, leading to the presence of multiple phases. The growth of hexagonal-shaped particles with varied sizes suggests the influence of ionic radii difference on the sinterability of the samples. The research provides a better understanding of the synthesis mechanism of Ba-Sr hexaferrite samples.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Sachin Kumar Godara, Rahul Kumar Dhaka, Navpreet Kaur, Parambir Singh Malhi, Varinder Kaur, Ashwani Kumar Sood, Shalini Bahel, Gopala Ram Bhadu, Jayesh C. Chaudhari, Ishita Pushkarna, Mandeep Singh
Summary: M-type barium hexaferrite (BHF) was synthesized via sol-gel-auto-combustion method using Jamun pulp, which acted as a natural fuel, green reducing agent, and ecofriendly chelating agent. The study investigated the impact of Jamun pulp concentration on the structural and morphological properties, coercivity, and saturation magnetization of BHF. The XRD analysis confirmed phase purity of BHF and SEM studies identified the desired morphology and highest grain size for the sample prepared with 50 g Jamun pulp concentration.
RESULTS IN PHYSICS
(2021)
Article
Chemistry, Inorganic & Nuclear
Sachin Kumar Godara, Sneh, Varinder Kaur, Parambir Singh Malhi, Jahangeer Ahmed, Saad M. Alshehri, Mandeep Singh, Swati Verma, Charanjeet Singh, Pradip K. Maji, Pragati Kumar, Asiya M. Tamboli, Ashwani Kumar Sood
Summary: In this study, BaZnxZrxFe12-2xO19 (x = 0.00-0.15) sub-micron particles were successfully synthesized using the solgel auto-combustion technique. The effects of dopant concentration on grain size, magnetic properties, and surface morphology were investigated.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Thanida Charoensuk, Wannisa Thongsamrit, Chesta Ruttanapun, Pongsakorn Jantaratana, Chitnarong Sirisathitkul
Summary: Solution-processing methods were used to produce polymer-bonded barium hexaferrite (BaM) powders, which were then incorporated into ABS matrix to prepare magnetic polymer composites. The magnetizations decreased linearly with reduction in ferrite loading, while coercivity significantly increased in the BaM-ABS composites compared to loose BaM powders. The composites have potential for use in additive manufacturing of rare-earth-free magnets.
Article
Chemistry, Physical
Maryam Shaterian, Ali Mohammadi-Ganjgah, Mehdi Balaei
Summary: This study synthesizes strontium hexaferrite (SrFe12O19) nanostructures using new nanostructured adsorbents and investigates their performance as hydrogen storage materials. Electrochemical results show that the maximum hydrogen storage capacity of the nanostructures is about 3100 mAh/g.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Polymer Science
Loganathan Guganathan, Chinnaiyan Rajeevgandhi, Kaliyamurthy Sathiyamurthy, Kokila Thirupathi, Madhappan Santhamoorthy, Ellappan Chinnasamy, Chaitany Jayprakash Raorane, Vinit Raj, Seong-Cheol Kim, Pichapillai Anand
Summary: In this study, gadolinium orthoferrite nanoparticles were successfully synthesized using the sol-gel auto-combustion technique. The synthesized materials were characterized using various instrumental techniques, including FTIR, FE-SEM, HR-TEM, EDAX, XPS, and VSM. The results revealed the vibrational characteristics, surface morphology, elemental features, and magnetic properties of the gadolinium orthoferrite nanoparticles.
Article
Chemistry, Multidisciplinary
Arezou Karimian, Mahdi Kalantar
Summary: Sol-gel combustion method was used to obtain nano-sized particles of barium-calcium hexaferrite. The synthesized samples showed diverse particle morphology and size, and their magnetic and sensory properties varied with different chemical compositions.
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
(2022)
Article
Chemistry, Inorganic & Nuclear
Z. Pakdel, Mohammad Yousefi, M. Hekmati, M. Bikhof Torbati
Summary: In this study, M-type strontium hexaferrite and its derivatives were synthesized using the sol-gel auto combustion method, and characterized through FTIR, XRD, FESEM, etc. The results revealed that an increase in dopants significantly decreased the Ms value, but improved the photocatalytic degradation rate.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Morvarid Alipour Marjeghal, Arman Sedghi, Saeid Baghshahi
Summary: Strontium hexaferrite is a hard ferrite widely used as a permanent magnetic material due to its high anisotropy, high saturation magnetization, chemical stability, and corrosion resistance. The study found that the crystal size of strontium hexaferrite is significantly affected by the molar ratio of citric acid to metal nitrates. Increasing the molar ratio of citric acid improves the saturation magnetization and magnetic remanence magnetization while decreasing the coercive field.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Engineering, Chemical
R. Mithun Prakash, C. Ningaraju, K. Gayathri, Y. N. Teja, M. Aslam Manthrammel, Mohd. Shkir, S. AlFaify, M. Sakar
Summary: This paper reports a solution auto-combustion (AC) process for the rapid synthesis of Fe3O4 nanoparticles derived from the sol-gel (SG) process. By using citric acid (CA) and tartaric acid (TA) as gelling agents in the SG process, citric acid acts as a fuel that combusts the gel and yields highly magnetic crystalline Fe3O4 nanoparticles in one step. In contrast, different concentrations of citric acid and any concentrations of tartaric acid do not induce combustion and only result in amorphous iron oxides. Upon annealing, the CA and TA derived iron oxide samples transform into crystalline alpha-Fe2O3 particles. Photocatalytic studies show that the synthesized Fe3O4 nanoparticles exhibit higher photocatalytic efficiency and stability under simulated solar light irradiation.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Himani Joshi, A. Ruban Kumar
Summary: Nickel and cobalt substituted strontium aluminum hexaferrite were successfully synthesized using the sol-gel auto-combustion technique. The particles exhibited a hexagonal crystal structure and plate-like morphology, with remarkable magnetic properties. These synthesized samples are suitable for permanent magnet and magnetic recording media applications.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
Bongho Jang, Jaewon Jang, Jae Eun Jang, Hyuk-Jun Kwon
Summary: This study fabricated high-performance SnO2 thin-film transistors (TFTs) at temperatures below 300 degrees C using the combustion-assisted sol-gel method. The results showed that the combustion-assisted solution process significantly increased the field-effect mobility of SnO2 TFTs compared to the conventional solution process, potentially enabling low-cost solution-processed electronics.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Maryam Shaterian, Massoud Yulchikhani, Zahra Aghasadeghi, Hadi Hassani Ardeshiri
Summary: Hydrogen is considered a renewable and efficient fuel with water as its only byproduct when burned. However, the storage of hydrogen has been a significant challenge. In this study, a nanostructure composite based on barium hexaferrite and functionalized multi-walled carbon nanotubes was synthesized using the sol-gel combustion method. The nanocomposite exhibited high hydrogen storage capacity and discharge rate, making it a promising active ingredient for hydrogen storage devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Ceramics
Esmaeil Mohebbi, Saeed Hasani, Mohsen Nouri-Khezrabad, Abolfazl Ziarati
Summary: The study aims to enhance the properties of M-type barium hexaferrite nano-particles through the addition of natural agent agarose. Various analyses were conducted to characterize the synthesized samples. The presence of agarose improved the distribution of metal cations, reduced particle size, prevented agglomeration, increased coercivity and remanence magnetization, and resulted in an increased maximum energy product.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Andrzej Hilczer, Katarzyna Pasinska
Summary: Nanocrystallites of Sr0.95Nd0.05Fe12-xScxO19 (0 <= x <= 1.56) were synthesized by citric sol-gel method, showing continuous increase in lattice parameters with increasing x and a decrease in particle size. Magnetic properties were significantly affected by doping, especially in samples with x >= 0.60. The appearance of conical magnetic order was reflected in temperature dependences of extrinsic magnetic properties, with T-cone shifting downwards with increasing field.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Reza Mohassel, Mehdi Shabani-Nooshabadi, Masoud Salavati-Niasari
Summary: Hydrogen energy plays a key role in novel renewable energy production/consumption technologies. Traditional hydrogen energy systems suffer from low density, high production cost, low efficiency, and storage complications. Solid-state hydrogen storage technology has addressed some of these issues, but there are remaining unknown points, particularly in metal oxides. Hydrogen sorption on layered materials or inside porous materials shows promise for high-performance hydrogen sorption.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Farzad Namvar, Masoud Salavati-Niasari, Fereshteh Meshkani
Summary: A group of rare-earth metals functionalized mesoporous Ni-M/Al2O3 (M = Tb, Dy, Nd) composite oxides were prepared and applied in the CO2 methanation process. The addition of terbium (Tb) improved the catalytic performance, particularly at low temperatures. The superior catalytic performance of 25Ni-5Tb-Al2O3 could be attributed to the appropriate fabrication method and the promotion effect of terbium.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Materials Science, Multidisciplinary
Fatemeh Bargozini, Mehdi Mohammadimehr, Elmuez A. Dawi, Rozita Monsef, Zahra Heydariyan, Masoud Salavati-Niasari
Summary: In this study, a hydrothermal method for synthesizing carbon nano-arrays using locally available materials and an inexpensive autoclave system is described. The three Von Misses stress models of the autoclave system were systematically studied and analyzed using Abaqus software. The effect of component thickness on stress concentration was examined to optimize the autoclave's resistance to temperature and pressure-induced stress.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Review
Pharmacology & Pharmacy
Zahra Heydariyan, Faezeh Soofivand, Elmuez A. Dawi, Saafa Abaas Abd Al-Kahdum, Noora M. Hameed, Masoud Salavati-Niasari
Summary: Recent years have witnessed the growing prominence of implants in the health field and the revival of damaged organs. Planktonic bacteria on the surface of implants pose risks of infections and biofilm formation, which can lead to severe pain and even death. The risk of infection after orthopedic surgery remains high. Biofilm infections destroy adjacent tissues and hinder antibiotic delivery, making treatment difficult. Topical drug delivery, using antibiotic-loaded implants, metallic and metal oxide nanoparticles, polymers, and antimicrobial peptides, offers promising solutions to reduce these risks.
JOURNAL OF DRUG DELIVERY SCIENCE AND TECHNOLOGY
(2023)
Article
Acoustics
Atefeh Panahi, Mojgan Ghanbari, Elmuez A. Dawi, Rozita Monsef, Russul Reidh Abass, Aseel M. Aljeboree, Masoud Salavati-Niasari
Summary: Thulium vanadate (TmVO4) nanorods were synthesized using Schiff-base ligands through a sonochemical method, and they exhibited promising photocatalytic activity. The crystal structure and morphology of TmVO4 were optimized by varying the Schiff-base ligands, H2Salen molar ratio, sonication time and power, and calcination time. The specific surface area was determined to be 24.91 m2/g, and the bandgap was found to be 2.3 eV, indicating its potential for visible light photocatalytic applications. The highest efficiency of 97.7% was achieved under visible light when 45 mg TmVO4 nanocatalysts were present in 10 ppm Eriochorome Black T solution at pH = 10.
ULTRASONICS SONOCHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Pourya Mehdizadeh, Mina Jamdar, Makarim A. Mahdi, Waleed K. Abdulsahib, Layth S. Jasim, Seyede Raheleh Yousefi, Masoud Salavati-Niasari
Summary: A novel and stable Tb-Co-O nanocomposite photocatalyst was synthesized through a one-pot microwave route and exhibited excellent photocatalytic efficiency in wastewater treatment. The nanostructures possessed narrow size distribution, good optical properties, and unique crystal structures. Among various experimental conditions, TbCoO3/TbO1.81 nanocomposites with a molar ratio of 1:3 (Tb:Co) showed the best performance in dye degradation.
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Javad Ebrahimian, Maryam Khayatkashani, Nasrin Soltani, Halah T. Mohammed, Nahid Tavakkoli, Mina Jafari, Masoud Salavati-Niasari
Summary: In this study, ZnO-Red Ochre nanocomposite was green synthesized by using Rosa Damascena (RD) extract (RDZRONCs). The RDZRONCs were used to modify the carbon paste electrode (CPE) for the electrochemical determination of the anticancer drug 5-fluorouracil (5-FU). The electrochemical behavior of 5-FU at the RDZRONCs/CPE was investigated using cyclic voltammetry (CV), differential pulse voltammetry (DPV), chronoamperometry (CA), and chronocoulometry (CC).
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Mahin Baladi, Mahnaz Amiri, Masoud Salavati-Niasari
Summary: In this study, a green chemistry method was used to synthesize ErFeO3/Fe3O4/rGO nanocomposite using sucrose as an active capping and reducing agent. Characterization techniques such as TEM, SEM, XRD, BET-BJH, VSM, and HRTEM were employed to analyze the nanocomposite. The results indicated that the nanocomposite exhibited pure particles with a size range of 37 +/- 2 nm, as validated by TEM examination. Furthermore, the synthesized nanocomposite showed significant anti-proliferative effects on T98 and SH-SY5Y cancer cell lines, suggesting its potential for inducing cancer cell death in vitro. However, further research is required to elucidate the underlying mechanisms.
ARABIAN JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Physical
Wenya Lei, Chaofan Zhang, Rui Qiao, Mahalingam Ravivarma, Haixia Chen, Farshad Boorboor Ajdari, Masoud Salavati-Niasari, Jiangxuan Song
Summary: This study presents a gel polymer electrolyte (GPE) interlayer to stabilize the Li|LAGP interface and address the challenges caused by side reactions and poor thermal stability. The GPE, composed of a solvate ionic liquid and a hyperbranched polyanionic copolymer, ensures excellent compatibility and protection between LAGP and Li metal anode. Additionally, the introduction of a solvate ionic liquid with non-inflammability effectively avoids thermal runaway between lithium metal and LAGP at high temperatures.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Energy & Fuels
Zahra Heydariyan, Rozita Monsef, Elmuez A. Dawi, Masoud Salavati-Niasari
Summary: To address the growing complications in energy production, a novel energetic solid composite based on nano-sized EuMnO3/EuMn2O5 incorporated with multiwalled carbon nanotube (EM/EMM/MWCNT) materials was fabricated via efficient synthesis protocols. The in-situ combustion route was used to design the interface architecture of the binary EM/EMM nanocomposites by manipulating the fuel concentration. The incorporation of MWCNT at varying concentrations improved the electrochemical hydrogen storage of the nanocomposites, with the best performance achieved at a MWCNT concentration of 3.0%.
Article
Energy & Fuels
Atefeh Panahi, Rozita Monsef, Elmuez A. Dawi, Alaa S. Hussein, Masoud Salavati-Niasari
Summary: In order to improve the photocatalytic efficiency, researchers successfully prepared thulium vanadate (TmVO4) nanostructures by simplifying the preparation process. Multiple factors such as saccharides, calcination temperature, and molar ratio were considered, and various dyes and concentrations were studied to enhance catalyst performance. The results showed that TmVO4 could degrade 83.5% of methyl violet (MV) within 90 minutes and remained stable in the recycle test.
Article
Energy & Fuels
Samira Alinavaz, Maryam Ghiyasiyan-Arani, Elmuez A. Dawi, Masoud Salavati-Niasari
Summary: Hydrogen has received extensive attention in the field of new energy, leading to numerous studies on hydrogen production, storage, and use. Among these, mixed metal oxide materials with double layer hydroxides are primarily studied for their hydrogen storage capacity. Comparing the capacity of Ho3Fe5O12/Mg2Al(OH)(7) nanocomposites with different ratios to pristine LDH, it has been demonstrated that the 1:1 ratio of Ho3Fe5O12 to Mg2Al(OH)(7) in the nanocomposites significantly enhances the storage capacity (422 mAhg(-1)) compared to pristine LDH (213 mAhg(-1)).
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Mandana Khaksar, Elmuez A. Dawi, Safaa H. Ganduh, Layth S. Jasim, Waleed K. Abdulsahib, Makarim A. Mahdi, Masoud Salavati-Niasari
Summary: The morphologies of active materials have an impact on hydrogen storage performance. Changing the synthesis conditions can modify the size and morphology of active materials. Nanostructured Ce2Y2O7 with five different morphologies was synthesized using a sol-gel process assisted by trimessic acid. Charge-discharge chronopotentiometry tests were conducted under the same conditions to compare the effects of Ce2Y2O7 nanostructures on hydrogen storage capacity in KOH electrolyte at a current of 1 mA. The results show that the highest capacity is observed in very thin nanoribbons (643 mAhg(-1)), while the lowest capacity is found in agglomerated ribbons assembled with particles (276 mAhg(-1)).
JOURNAL OF ENERGY STORAGE
(2023)
Article
Nanoscience & Nanotechnology
Fatemeh Sadat Razavi, Davood Ghanbari, Elmuez A. Dawi, Masoud Salavati-Niasari
Summary: Photocatalysis is a promising strategy for reducing water pollution. Pt-Au/TiO2/BaFe12O19 nanofibers were synthesized using the electro-spinning technique. The nanocomposite showed excellent photocatalytic performance under visible light, achieving a high decolorization rate and reaction rate coefficient for Acid Red 14. The study demonstrated the potential of noble metals Pt and Au in enhancing dye degradation.
JOURNAL OF SCIENCE-ADVANCED MATERIALS AND DEVICES
(2023)
Article
Engineering, Multidisciplinary
Reza Nobakht Hassanlouei, Mansour Jahangiri, Elmuez A. Dawi, Fahimeh Vafaee, Masoud Salavati-Niasari
Summary: In various industries, it is crucial to understand the relationship between transfer properties like viscosity and thermal conductivity coefficients for design and engineering purposes when processing non-Newtonian fluids, especially viscoelastic fluids. However, most studies on nanofluids have been limited to inadequately considering only three components of viscoelastic fluids. In this research, multiwalled carbon nanotubes were chemically modified to obtain nanoparticles, which were then used to prepare viscoelastic-based nanoliquids (VNLs). The stability, thermal conductivity, and viscosity of the VNLs were examined. The findings provided insights into the behavior and properties of these complex fluids.
ALEXANDRIA ENGINEERING JOURNAL
(2023)
Article
Materials Science, Multidisciplinary
Bibhutibhusan Nayak, S. Narayana Jammalamadaka
Summary: This article presents a method for remote detection of bovine serum albumin (BSA) using modified cantilever beam magnetometry (CBM). By combining a magnetostrictive Fe70Ga30 cantilever with optical detection technique, researchers were able to detect high concentrations of BSA remotely. The results of this study demonstrate the potential of this method in estimating the magnetostriction of thin films.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Yu Hao, R. E. Camley, Z. Celinski
Summary: Magnetic particles have various applications and their magnetic state is determined by their size and the strength of an applied magnetic field. Numerical simulations were performed to study the effect of an applied field on the critical size of single-domain magnetic particles, and the critical field at which a particle becomes single-domain was determined.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Nitesh Singh, Naresh Kumar, Dharohar Sahadot, Anil Annadi, Vidyadhar Singh, Murtaza Bohra
Summary: The unique magnetic properties of FM/AFM and hard-FM/soft-FM nanocomposite thin films have significant relevance for numerous applications. The composition and performance of different magnetic phases in the nanocomposite films can be significantly affected by the laser ablation conditions and annealing temperature.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Alya Ali Musaed, Samir Salem Al-Bawri, Khaled Aljaloud, Wazie M. Abdulkawi, Mohammad Tariqul Islam, Mandeep Jit Singh, Zaini Sakawi, Husam Hamid Ibrahim
Summary: This research presents a wideband tunable metamaterial for body-centric applications in the millimeter-wave frequency band. The proposed metamaterial has a wide operating frequency range and enhanced gain, making it suitable for improving the antenna performance in 5G wireless communication systems.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Binod K. Rai, Boris Maiorov, Krzysztof Gofryk, Patrick O'Rourke, Catherine Housley, Henry Ajo, Asraf Sawon, Arjun K. Pathak, Narayan Poudel, Qiang Zhang, Travis J. Williams, Matthias Frontzek
Summary: This manuscript reports on the structural and magnetic properties of NdCuGa3. The study confirmed the crystal structure and magnetic phase transition of NdCuGa3 using XRD, neutron diffraction, magnetization, and specific heat measurements. The neutron diffraction data further confirmed the antiferromagnetic phase of NdCuGa3.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Haonan Li, Cong Li, Hailiang Huang, Guodong Hao, Fei Wang
Summary: The electronic structure and ferroelectric-ferromagnetic coupling properties of Y-doped and vacancy-containing GaN-ZnO heterojunctions are systematically investigated. The magnetism in vacancy-containing systems is generated by the spin polarization of unpaired electrons induced by cationic vacancies, while in Y-doped systems, bound magnetic polarons are formed by the orbital hybridization of s-state and d-state electrons of Y-doped elements.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Muhammad Ijaz, Hafeez Ullah, Bandar Ali Al-Asbahi, Mati Ullah Khan, Zaheer Abbas, Sana Ullah Asif
Summary: M-type BaFe11.4-xAlxCo0.6O19 hexaferrites with Al3+ substitutions were synthesized using the co-precipitation method followed by Sonochemical process. The synthesized materials were characterized using XRD, FTIR, UV-vis spectroscopy, VSM, SEM, and LCR meter. The results showed that aluminum doping decreased the band gap and enhanced the magnetic and dielectric properties of the hexaferrites, making them suitable for various applications.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Oleg I. Utesov
Summary: The elementary excitations spectrum of anisotropic frustrated antiferromagnets in the fan phase is discussed. It is found that the low-energy part of the spectrum consists of a gapless phason branch with linear dispersion and a gapped optical branch corresponding to the fan structure amplitude oscillations. In the high-energy part of the spectrum, the excitations are similar to the magnons of the fully polarized phase.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Alexander Ya. Simonovskii, Alexander A. Yanovskii, Arthur R. Zakinyan
Summary: In this study, the departure frequency of vapor bubbles during boiling of ferrofluid in a horizontal magnetic field is experimentally investigated. Two methods, visual and inductive, are used to measure the frequency of bubble departure. The results show that the bubble departure frequency can decrease with increasing magnetic field strength and increase with increasing temperature of the heat-emitting surface. A linear stability analysis is conducted to analyze the influence of the magnetic field on the frequency of bubble formation during ferrofluid boiling.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Oleg Heczko, Michal Rames, Vit Kopecky, Petr Vertat, Michal Varga, Ladislav Straka
Summary: Heusler Ni-Mn-Ga alloys are multiferroic materials that exhibit magnetic shape memory (MSM) phenomena. By doping transition elements into Ni2MnGa alloys, the transformation temperatures can be modified and complex behaviors can be observed, such as the variation in saturation magnetization and the effects of elemental substitution on compound properties.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Carlos Ariel Samudio Perez, Ariel Flaig de Marchi
Summary: This study investigates the electronic and magnetic properties of the Full-Heusler Fe2MnAs alloy using first-principles calculations. The alloy may form spontaneously and exhibits a ferromagnetic order and high spin-polarization. It can be transformed into a half-metal by contracting the lattice constant. Additionally, certain defects contribute to the spin-polarization of the alloy, making it a fully half-metallic material.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Satish Geeri, Aditya Kolakoti, Prasadarao Bobbili
Summary: In this study, an electromagnetic wave-absorbing material was fabricated using a polymer composite material with fiber orientation and Multiwall Carbon Nanotubes as filler materials, along with a Perfect Electric Conducting material. The experiments demonstrated strong electromagnetic absorbing properties for the composites with PEC-coated and non-PEC-coated materials. Mechanical, thermal, and morphological analysis confirmed the similar trend in properties. CRITIC analysis helped identify the sequence order of sustaining properties for the fabricated composites.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Yankai Chen, Ruoxue Zhang, Yukai An
Summary: The piezoelectricity, valley character, and magnetic properties of 2H-VS2 monolayer were studied, revealing its potential applications in spintronics and valleytronics due to its bipolar magnetic semiconductor characteristics and superior physical properties.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Leonardo S. Lima
Summary: This study investigates the thermodynamic quantities, such as entropy, specific heat, and magnetic susceptibility, in the next-nearest-neighbors Heisenberg model on a honeycomb-kagome lattice. The linear spin-wave approach is applied to obtain the temperature-dependent behavior of these quantities. Additionally, the entanglement negativity, a quantifier of quantum entanglement, and the spin Hall conductivity are also studied. The results show that all the thermodynamic quantities, as well as the entanglement negativity and spin Hall conductivity, exhibit an increasing trend with temperature. Furthermore, it is found that all the analyzed quantities approach zero in the low-temperature limit, consistent with experimental observations.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
Article
Materials Science, Multidisciplinary
Zhaoxing Wang, Maximilian Kai Reimann, Wang Chen, Yikun Zhang, Rainer Poettgen
Summary: The Mo2FeB2-type compounds RE2Ga2Mg (RE = Tm, Er, Ho) exhibit a large magnetocaloric effect, making them promising for cryogenic magnetic cooling applications.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2024)
