Article
Chemistry, Physical
M. A. Khan, L. Braic, Y. AlSalik, H. Idriss
Summary: Monolithic integration of metal oxide thin films with conventional semiconductors such as silicon and germanium allows for new functionalities in semiconductor devices. Using pulsed laser deposition (PLD), epitaxial strontium titanate (STO) films were grown on Ge (001) single crystal, achieving a sharp interface without interfacial amorphous oxide layer by optimizing surface preparation and deposition conditions. Factors such as Ge(001) surface substrate cleaning, growth temperature, oxygen partial pressure, and laser energy density are discussed for their effects on STO film growth, with the presence of O-2 leading to growth on (100) and (110) planes.
APPLIED SURFACE SCIENCE
(2021)
Article
Materials Science, Coatings & Films
Smilja Markovic, Julietta V. Rau, Angela De Bonis, Giovanni De Bellis, Zoran Stojanovic, Ljiljana Veselinovic, Miodrag Mitric, Nenad Ignjatovic, Sreco Davor Skapin, Damjan Vengust
Summary: Dense calcium phosphate-based ceramics with different phase compositions and microstructures were fabricated as targets. (Ca+Co)P coatings with different phase compositions and hardness were prepared using these targets.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Zhong Mo, Ruqi Chen, Lirong Liang
Summary: Epitaxial (001)-, (118)-, and (104)-oriented BErT films were obtained using pulsed-laser-ablated method, and their up-conversion luminescence intensity was found to be orientation-dependent due to the reflection of aligned grains towards incident light.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Materials Science, Multidisciplinary
Joe Sakai, Jose Manuel Caicedo Roque, Pablo Vales-Castro, Jessica Padilla-Pantoja, Guillaume Sauthier, Jose Santiso
Summary: In this study, non-doped PbTiO3 thin films were prepared using pulsed laser deposition, and it was found that using a PbO-TiO2 pie-chart target resulted in high-quality films with composition, crystallinity, flatness, and ferroelectric properties almost independent of the areal ratio.
Article
Chemistry, Physical
A. Maffini, D. Orecchia, A. Pazzaglia, M. Zavelani-Rossi, M. Passoni
Summary: In this study, porous, fractal-like nanostructured carbon materials, known as carbon nanofoam, were fabricated using Pulsed Laser Deposition (PLD) technique. The role of key PLD parameters on nanofoam characteristics was investigated, and a comparison between nanosecond (ns-PLD) and femtosecond (fs-PLD) regimes was drawn. New insights about carbon nanofoam deposition and characterization were gained, opening new perspectives in the fabrication of nanostructured films with precisely controlled properties.
APPLIED SURFACE SCIENCE
(2022)
Article
Physics, Applied
A. Osada, R. Tamaki, W. Lin, I. Nakamura, A. Noguchi
Summary: We developed a fiber-based pulsed laser ablation method to generate a jet of neutral strontium atoms. The generated strontium beam was characterized to have a transverse temperature of 800 K and a longitudinal velocity of 2300 m/s. Our device provides a compact and cryo-compatible atom source with minimized device footprints and reduced complexity of vacuum systems, which is beneficial for cold-atom experiments and potential applications in atomic and molecular sciences.
APPLIED PHYSICS LETTERS
(2023)
Review
Chemistry, Multidisciplinary
Nick A. Shepelin, Zahra P. Tehrani, Natacha Ohannessian, Christof W. Schneider, Daniele Pergolesi, Thomas Lippert
Summary: Nanoscale thin films have a wide range of applications in various fields, and their functional tunability based on chemical composition has driven human progress. Pulsed laser deposition is an important method for fabricating thin films, using laser energy to form a plasma and deposit material onto a substrate. This technique allows for the production of crystalline films with a wide range of atmospheric conditions and chemical complexity. However, achieving high quality films with desired composition requires rigorous optimization of growth parameters. This tutorial review provides an overview of pulsed laser deposition, discusses the effects of growth parameters on film properties, and explores in situ monitoring techniques.
CHEMICAL SOCIETY REVIEWS
(2023)
Article
Chemistry, Physical
Zakhar Vakulov, Daniil Khakhulin, Evgeny Zamburg, Alexander Mikhaylichenko, Vladimir A. Smirnov, Roman Tominov, Viktor S. Klimin, Oleg A. Ageev
Summary: This paper presents a methodology for calculating the distribution profile of film thickness on large diameter substrates in pulsed laser deposition, allowing for increased film thickness uniformity. Experimental verification showed a discrepancy of less than 8%, with modeling results providing recommendations for manufacturing uniform thickness films.
Article
Chemistry, Physical
Linda Viviana Garcia-Quinonez, Dario Colorado-Garrido, Adolfo Collado-Hernandez, Daniel Arturo Acuna-Leal, Guadalupe Alan Castillo-Rodriguez, Daniel Fernandez-Gonzalez, Eduardo Martinez-Guerra, Maria Isabel Mendivil-Palma, Cristian Gomez-Rodriguez
Summary: Bismuth titanate (BTO) nanoparticles were synthesized by pulsed laser ablation in different liquid media, and their morphology and structure were characterized. The results demonstrate that this method can produce high-quality BTO nanoparticles with enhanced optical properties, which have potential applications in photocatalysis.
Article
Materials Science, Ceramics
Shaojing Mou, Jiachao Ye, Rongji Zhu, Ruojie Li, Linfei Liu, Yijie Li
Summary: In this study, we investigated the effect of laser repetition rate on the properties of FST superconducting films deposited by pulsed laser deposition. We found that as the laser repetition rate increases, the crystallinity and stoichiometry of the films deteriorate, resulting in a degeneration in superconductivity. However, by increasing the substrate temperature, we were able to successfully deposit high-performance FST films at a high repetition rate.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2024)
Article
Crystallography
Yuxuan Wang, Bin Zou, Bruno Rente, Neil Alford, Peter K. Petrov
Summary: In this study, multilayer graphene thin films (MLG) were grown without a catalyst on Si/SiO2 using pulsed laser deposition (PLD). It was found that 500 laser pulses were required to produce fully covered samples, which contained approximately 5 layers of graphene. The number of layers was not affected by the laser fluence and the sample cooling rate, but increasing the laser fluence resulted in a reduction in MLG resistance. PLD method is suitable for producing nanocrystalline MLG with similar electrical conductivity as commercial CVD graphene.
Review
Materials Science, Coatings & Films
Laurenz Thyen, Daniel Splith, Max Kneiss, Marius Grundmann, Holger von Wenckstern
Summary: We introduce a new technique, MARS-PLD, for area-selective physical vapor deposition. By using a movable mask, we can selectively mask any desired area on a substrate to create multinary material composition gradients. We demonstrated the capabilities of this method by fabricating material gradients in (Mg,Zn)O thin films and on predefined two-dimensional patterns.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
(2023)
Article
Chemistry, Physical
Seyedeh Soraya Mousavi, Batool Sajad, Mehrnaz Simdar
Summary: Graphene-based composite thin films were deposited on glass substrates using Pulsed Laser Deposition (PLD) at room temperature. The annealing temperature was found to have a significant effect on the chemical properties and photocatalytic activity of the nanocomposite films. The stoichiometry and optical characteristics of the films could be accurately adjusted through optimized annealing temperature. Confocal Raman spectroscopy confirmed the formation of a composite film with features of both ZnO and GQDs at 300°C. The optimized nanocomposite film showed a high photocatalytic ability with an 84% degradation rate for dye.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Materials Science, Ceramics
Chithira Venugopalan Kartha, Jean-Luc Rehspringer, Dominique Muller, Stephane Roques, Jeremy Bartringer, Gerald Ferblantier, Abdelilah Slaoui, Thomas Fix
Summary: This study reports on the structural, optical, and electrical properties of CuxO thin films prepared by pulsed laser deposition technique. The growth conditions were carefully optimized to provide high conductivity and mobility, and the films showed photovoltaic response on specific substrates, paving the way for efficient solar cells made with Cu2O films.
CERAMICS INTERNATIONAL
(2022)
Article
Materials Science, Ceramics
J. Wang, D. G. Wang, X. T. Li, J. Q. Zhai, G. X. Lu, C. Z. Chen
Summary: In this study, beta-tricalcium phosphate (β-TCP)/ZrO2 composite films were prepared using pulsed laser deposition technology, and the effects of different laser fluences on the properties of the films were investigated. The results showed that increasing the laser fluence resulted in an increase in the number of particles and droplets on the film surface, as well as an improvement in crystallinity. Properly increasing the laser fluence can lead to the formation of composite films with high crystallinity, good mechanical properties, and biocompatibility.
CERAMICS INTERNATIONAL
(2022)
Article
Physics, Applied
M. Egilmez, S. T. Mahmud, H. S. Alagoz, I Zivkovic, J. A. Jung, K. H. Chow
Summary: The study investigated the influence of disorder on resistive relaxation effects in the Sm1-aSraMnO3 system, finding that different routes of disorder introduction lead to varied behaviors of Tc and T-MIT. The strength of disorder can be quantified by the difference in metal-insulator transition temperature. The observations revealed a clear relationship between quenched disorder and resistive metastability in manganites.
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
(2022)
Article
Materials Science, Multidisciplinary
T. Fix, J-L Rehspringer, S. Roques, A. Slaoui
Summary: In this study, attempts were made to grow beta-CuGaO2 films using different methods, and the potential of these films for photovoltaic applications was investigated. It was found that while beta-CuGaO2 is a suitable photon absorber, the discontinuity of the films is detrimental to electronic transport, requiring additional dopants to enhance its optoelectronic properties and charge carrier transport.
EMERGENT MATERIALS
(2023)
Article
Chemistry, Physical
Faisal Mustafa, Mehmet Egilmez, Wael Abuzaid, Sami El-Khatib, Tahir Nawaz, Shahbaz Ahmad, Serhat Alagoz
Summary: CoNiCr is a prototype alloy with superior cryogenic and high-temperature mechanical strength, corrosion, oxidation resistance, and yet-to-be-explored magnetic and electronic functionalities. The remarkable properties of this ternary system result from atomic radii, electronic configurational mismatch, atomic volume misfit, and magnetically driven chemical short-range order. The study investigates the electric and magnetic properties of a single-phase CoNi(Cr/V) system, where V is introduced to fine-tune the volume misfit. The samples exhibit ultra-small magnetic moments and a strange metallicity revealed through the observation of linear temperature dependence of resistivity.
Article
Physics, Applied
H. S. Alagoz, M. Egilmez, J. Jung, K. H. Chow
Summary: We studied the electrical and thermal conduction properties of Pt/NiOx/Pt based unipolar ReRAM devices in low- (ON) and high-resistance (OFF) states during cooling and warming cycles between 300 and 180 K. The activation energy of conduction electron-trap decreased upon warming. Thermal cycling didn't significantly affect the average resistance-temperature coefficient of the Pt diffused conductive filaments, but it increased the ON-state resistance fluctuations at high temperatures, indicating the influence of ambient temperature on the sizes of formed filaments. The mechanism behind these thermally activated changes is discussed.
APPLIED PHYSICS LETTERS
(2023)
Article
Chemistry, Physical
Romain Vollondat, Daniel Stoeffler, Daniele Preziosi, Stephane Roques, Abdelilah Slaoui, Thomas Fix
Summary: Type I and type II silicon clathrates are unique structures that can accommodate guest atoms while maintaining the integrity of the overall structure. This property has applications in batteries, storage, and tuning the properties of silicon clathrate films.
JOURNAL OF CHEMICAL PHYSICS
(2023)
Article
Multidisciplinary Sciences
Y. Zakaria, B. Aissa, T. Fix, S. Ahzi, S. Mansour, A. Slaoui
Summary: Perovskite solar cells (PSCs) are currently facing challenges in terms of stability and scalability for potential commercialization. One solution is to develop a uniform, efficient, high quality, and cost-effective electron transport layer (ETL) thin film. In this study, we explore the composition, structure, chemical state, and electronic properties of SnO2 thin films deposited by reactive RF magnetron sputtering.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Physical
Fatima Abla, Yehya Elsayed, Nedal Abu Farha, Khaled Obaideen, Ahmed A. Mohamed, Haesung Lee, Changseok Han, Mehmet Egilmez, Sofian Kanan
Summary: A nanocomposite of titanium (IV) oxide (TiO2) and molybdenum (VI) oxide (MoO3) was synthesized using a hydrothermal route. The successful formation of pure TiO2-MoO3 (Ti-Mo) nanocomposite was confirmed through detailed analyses. The Ti-Mo nanocomposite exhibited increased mesopores and enhanced water affinity compared to pure metal oxides. Photocatalytic degradation experiments showed that the Ti-Mo nanocomposite significantly enhanced the degradation of MB under both white LED and 302 nm UV light irradiation.
Article
Chemistry, Physical
T. Fix, S. Raissi, D. Muller, C. Bouillet, D. Preziosi, A. Slaoui
Summary: We attempted to grow perovskite CaTiS3 using pulsed laser deposition (PLD) on various substrates with a CaS:TiS2 target. The results showed the transfer of sulfur from the target to the film when grown in vacuum at moderate temperature. However, the desired CaTiS3 phase could not be obtained, suggesting a phase governed by van der Waals interactions. The films exhibited highly doped n-type semiconductor behavior without a surface photovoltage signal. This work should inspire further experimental efforts in PLD growth of chalcogenides and chalcogenide perovskites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Multidisciplinary Sciences
Leora E. Dresselhaus-Marais, Bernard Kozioziemski, Theodor S. Holstad, Trygve Magnus Raeder, Matthew Seaberg, Daewoong Nam, Sangsoo Kim, Sean Breckling, Sungwook Choi, Matthieu Chollet, Philip K. Cook, Eric Folsom, Eric Galtier, Arnulfo Gonzalez, Tais Gorkhover, Serge Guillet, Kristoffer Haldrup, Marylesa Howard, Kento Katagiri, Seonghan Kim, Sunam Kim, Sungwon Kim, Hyunjung Kim, Erik Bergbaeck Knudsen, Stephan Kuschel, Hae Ja Lee, Chuanlong Lin, R. Stewart Mcwilliams, Bob Nagler, Martin Meedom Nielsen, Norimasa Ozaki, Dayeeta Pal, Ricardo Pablo Pedro, Alison M. Saunders, Frank Schoofs, Toshimori Sekine, Hugh Simons, Tim van Driel, Bihan Wang, Wenge Yang, Can Yildirim, Henning Friis Poulsen, Jon H. Eggert
Summary: The structures, strain fields, and defect distributions in solid materials significantly influence their mechanical and physical properties. Modern microstructural microscopy tools are limited to studying the near surface, while synchrotron X-ray diffraction and dark field X-ray microscopy (DFXM) can map internal structures but are time-consuming. This research extends DFXM to X-ray free electron lasers (XFELs), achieving higher resolution and faster imaging, and provides a comprehensive guide to the multi-modal ultrafast high-resolution X-ray microscope.
SCIENTIFIC REPORTS
(2023)
Article
Nanoscience & Nanotechnology
H. S. Alagoz, M. Egilmez, J. Jung, K. H. Chow
Summary: The off-state retention characteristics of Pt/NiOx-(Ar)/NiOx-(Ar + O-2)/Pt stacking resistive random access memory structures were investigated. The study found that the noise amplitude increases as the temperature decreases, and the application of forward and reverse biases leads to resistance jumps. These findings provide important insights into the thermally activated charge trapping/de-trapping phenomenon responsible for resistance fluctuations.
Article
Chemistry, Physical
Shahbaz Ahmad, Mehmet Egilmez, Ramasamy Shanmugam, Wael Abuzaid, Shuchi Sharma, Ranga Rao Gangavarapu, Faisal Mustafa, Sami El-Khatib, Hussain Alawadhi, Arunachala M. Kannan
Summary: Developing nonprecious metal-based electrocatalysts with outstanding performance has been a major focus in the scientific community for the past decade. In this study, the electrocatalytic properties of equiatomic single-phase medium-entropy alloy electrodes with various compositions were investigated for the hydrogen evolution reaction. The results showed that the CoNi-(Cr/V) alloy exhibited the lowest overpotential and highest electrocatalytic activity, and all samples exhibited good stability.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Roman Hartmann, Michael Hogen, Daphne Lignon, Anthony K. C. Tan, Mario Amado, Sami El-Khatib, Mehmet Egilmez, Bhaskar Das, Chris Leighton, Mete Atature, Elke Scheer, Angelo Di Bernardo
Summary: The coexistence of different properties in NiS2 nanoflakes, such as antiferromagnetic and weak ferromagnetic orders, along with surface metallicity, leads to strongly field-asymmetric magnetotransport features at low temperatures. These features are related to exchange-bias-type effects between ferromagnetic and antiferromagnetic regions forming near step edges at the nanoflake surface, which can be characterized using nitrogen vacancy magnetometry. The findings suggest that NiS2 nanoflakes have potential applications in van der Waals heterostructures for low-temperature spintronics and superconducting spintronics.
Article
Materials Science, Multidisciplinary
M. Egilmez, S. El-Khatib, F. Mustafa, S. Ahmad, A. Di Bernardo, J. W. A. Robinson
Summary: Weak ferromagnetic and metallic transport phenomena were observed in oxygen-deficient bicrystal of Stoichiometric SrTiO3 (STO), and a disorder-induced metal-insulator transition was observed in magnetotransport across the grain boundary. This experimental study highlights the importance of structural defects in the interpretation of magnetotransport in SrTiO3.
Article
Thermodynamics
D. Padrao, D. Hancock, J. Paterson, F. Schoofs, C. Tuck, I. Maskery
Summary: This study numerically analyzed the hydraulic and thermal performance of five surface-based lattice structures and developed predictive models for pressure drop and volumetric heat transfer coefficients. The research found that the thermal performance of the surface-based lattices is dependent on the internal geometry, with structures capable of distributing thermal energy across the entire fluid volume having higher heat transfer coefficients.
APPLIED THERMAL ENGINEERING
(2024)
Article
Chemistry, Physical
Abdullah Abu Hawili, Mehdi Ghommem, Abdul Hai Alami, Shamma Alasad, Mehmet Egilmez, Wael Abu Zaid
Summary: This work investigates the synthesis and deposition of Fe-Cu bimetallic alloy on aluminum substrates for iron contaminants elimination in aqueous solutions. The coated aluminum electrodes showed promising magnetic and electrical transport properties. The transmission of the solution significantly increased from 20% to around 40% after the insertion of the electrodes, indicating the potential of this electrode as a cheap and recyclable paramagnet.
APPLIED SURFACE SCIENCE ADVANCES
(2022)
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)
