jablonkagroup/rise_ai_scientists huggingface dataset:
Authors: Abhishek Saji Kumar | Rayane Akoumeh | Arunachalam Ramanathan | JaeWoo Park | Varunkumar Thippanna | Dhanush Patil | Yuxiang Zhu | Dharneedar Ravichandran | Sri Vaishnavi Thummalapalli | M. Taylor Sobczak | Lindsay B. Chambers | Taylor G. Theobald | Churan Yu | Chao Sui | Libin Yang | Deepalekshmi Ponnamma | Mohammad K. Hassan | Maryam Al‐Ejji | Sui Yang | Kenan Song
Source: ACS Applied Materials & Interfaces (article, 2025-01-23)
Field: Materials Science — Surfaces, Coatings and Films

Biomimetic 3D Prototyping of Hierarchically Porous Multilayered Membranes for Enhanced Oil–Water Filtration This study introduces a biomimetic approach to 3D printing multilayered hierarchical porous membranes (MHMs) using Direct Ink Writing (DIW) technology. Fabricated through a fast layer-by-layer printing process with varying concentrations of pore-forming agents, the produced MHMs mimic the hierarchical pore structure and filtration capabilities of natural soil systems. As a result, the 3D-printed MHMs achieved an impressive oil rejection rate of 99.02% and demonstrated exceptional reusability, maintaining a flux recovery ratio of 99.48% even after hours of continuous filtration. Moreover, the 3D-printed MHMs exhibit superior hierarchical porous architecture and mechanical integrity compared to traditional flat sheet single-layered membranes. This study presents a significant advancement for scalable 3D printing of customized multilayer membranes with tailored porosity and high-performance filtration properties. The simplicity, versatility, and cost-effectiveness of the presented manufacturing method offer a pathway for advanced design and on-demand membrane production. Materials science ; Filtration (mathematics) ; Membrane ; Porosity ; Chemical engineering ; Rapid prototyping ; Porous medium ; Nanotechnology ; Composite material Surface Modification and Superhydrophobicity ; Membrane Separation Technologies ; Electrospun Nanofibers in Biomedical Applications
Authors: Astha Tyagi | M. Rakshita | D. Haranath | C. Shivakumara
Source: Materials Advances (article, 2025-01-01)
Field: Materials Science — Materials Chemistry

Thermally stable Li<sup>+</sup> co-doped ZnMoO<sub>4</sub>:Eu<sup>3+</sup> phosphors for white LEDs, nitroaromatic sensing and low temperature non-contact optical thermometry applications Li + co-doped ZnMoO 4 :Eu 3+ phosphor exhibits enhanced red emission, high thermal stability, selective nitrophenol sensing via inner filter effect, and optical thermometry, making it ideal for lighting and sensing applications. Phosphor ; Light-emitting diode ; Doping ; Materials science ; White light ; Luminescence ; Optoelectronics ; Analytical Chemistry (journal) ; Chemistry Luminescence Properties of Advanced Materials ; Gas Sensing Nanomaterials and Sensors ; Perovskite Materials and Applications
Authors: Sadiq H. Khoreem | Azmi A. M. Othman | A. H. AL-Hammadi
Source: Discover Applied Sciences (article, 2025-04-09)
Field: Materials Science — Materials Chemistry

Enhancing dielectric permittivity in barium ferrite: a novel material for energy storage and advanced electronics applications This study investigated the permittivity properties of BaZn1+xMnxFe12-2xO19 (x = 0.0, 0.4, 0.8, 1.2, 1.6, and 2.0), a compound synthesized via the standard ceramic method, to explore its potential for energy storage and electronic applications. We employed X-ray diffraction (XRD) for phase composition analysis and LCR meter was employed to measure the real and imaginary permittivity across temperatures of 297–530 K and frequencies of 10–100 kHz. The XRD analysis confirmed a pure phase and revealed influences on crystal size, x-ray density, and lattice parameters.The observed Maxwell–Wagner-type polarization enhances the material's low dielectric loss and high permittivity, making it well-suited for EMI shielding and radar-absorbing materials (RAMs). Results showed that Zn–Mn ion concentration improves the dielectric permittivity and positively impacts the thermal stability and Curie temperature, enhancing the material's magnetic stability suitable for energy storage applications. These findings not only underscore and highlight the enhanced material’s suitability of BaZn1+xMnxFe12-2xO19 for energy storage applications but also exhibits strong potential for microwave devices, supercapacitors, high-frequency capacitors, and advanced energy storage devices, electromagnetic interference, and absorbent materials in advanced electronic devices, further broadening its practical applications in green technology. Materials science ; Dielectric ; Permittivity ; Energy storage ; Electronics ; Barium ferrite ; Barium ; Ferrite (magnet) ; Dielectric permittivity ; Engineering physics ; Electrical engineering ; Optoelectronics ; Composite material ; Engineering ; Metallurgy ; Physics ; Thermodynamics Magnetic Properties and Synthesis of Ferrites ; Multiferroics and related materials ; Electromagnetic wave absorption materials
Authors: Chuanyong Jian | Jiashuai Yuan | Wenting Hong | Qiankun Ju | Qian Cai | Wei Liu
Source: Advanced Materials (article, 2025-02-02)
Field: Materials Science — Materials Chemistry

Dielectric Regulation in Quasi‐vdW Europium Oxysulfur Compounds by Compositional Engineering for 2D Electronics Advancing next-generation electronics necessitates precise control of dielectric properties in 2D materials. Here, the first synthesis of novel 2D quasi-van der Waals (vdW) europium oxysulfur (Eu<sub>2</sub>SO<sub>x</sub>) compounds, comprising hexagonal Eu₂SO₂ and tetragonal Eu₂SO₆ phases, with composition-tunable dielectric properties, is presented. Using a homodiffusive-controlled epitaxial growth method, materials are achieved with complementary characteristics: the hexagonal Eu₂SO₂ phase exhibits a high dielectric constant (≈30) paired with a moderate bandgap (≈4.56 eV), while the tetragonal Eu₂SO₆ phase offers a wider bandgap (≈5.62 eV) but a lower dielectric constant (≈20). The potential of these materials is demonstrated by integrating ultrathin Eu₂SO₂ nanoplates with molybdenum disulfide (MoS₂) field-effect transistors (FETs) via vdW forces. The resulting devices achieve a near-ideal I<sub>on</sub>/I<sub>off</sub> ratio (≈10⁸), minimal hysteresis (≈5.3 mV), a low subthreshold slope (≈63.5 mV dec⁻¹), and ultralow leakage current (≈10⁻¹⁴ A). These results highlight the capacity of europium oxysulfur compounds to address the trade-off between dielectric constant and bandgap, offering tailored solutions for diverse 2D electronic applications. This work underscores the potential of composition engineering to expand the family of rare-earth oxysulfur compounds for nanoelectronics, paving the way for innovative gate dielectrics in next-generation devices. Materials science ; Dielectric ; Europium ; Tetragonal crystal system ; High-κ dielectric ; Nanotechnology ; van der Waals force ; Band gap ; Optoelectronics ; Gate dielectric ; Molybdenum disulfide ; Electronics ; Transistor ; Phase (matter) ; Electrical engineering ; Voltage ; Composite material MXene and MAX Phase Materials ; 2D Materials and Applications ; Perovskite Materials and Applications
Authors: Vasilis Nikitakos | Athanasios D. Porfyris | K. Beltsios | Rudolf Pfaendner | Beatriz Yécora | Angélica Pérez | Filip Brkić | Filip Miketa | C. D. Papaspyrides
Source: Polymers (article, 2025-01-24)
Field: Materials Science — Polymers and Plastics

Closed-Loop Recycling of Poly(vinyl butyral) Interlayer Film via Restabilization Technology Polyvinyl butyral (PVB) is a specialty polymer primarily used as an interlayer in laminated glass applications with no current circularity plan after the end of its life. This study presents a comprehensive recycling strategy for postconsumed PVB wastes based on a remelting-restabilization approach. Thermo-oxidative degradation of PVB was analyzed under heat and shear stress conditions in an internal mixer apparatus. The degradation mechanism of plasticized PVB (p-PVB) and unplasticized PVB (u-PVB) was identified as chain scission through melt flow rate (MFR), intrinsic viscosity (IV), and yellowness index (YI) characterization. Six different antioxidant (AO) formulations were screened for their effectiveness in inhibiting degradation in both neat u-PVB and p-PVB, as well as retrieved PVB. The phenolic antioxidants 1,3,5-trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene and 4-[[4,6-bis(octylsulfanyl)-1,3,5-triazin-2-yl]amino]-2,6-di-tert-butylphenol were found to be the most effective ones based on MFR, oxidation onset temperature (OOT), and YI evaluations, while the optimal AO concentration was determined at 0.3% <i>w</i>/<i>w</i>. Furthermore, upscaling of the process was achieved by mixing virgin PVB and high-quality retrieved PVB wastes with AOs in a twin-screw extruder. Testing of the recycled samples confirmed that the selected AOs offered resilience against degradation at reprocessing and protection during the next service life of the material. Polyvinyl butyral ; Materials science ; Melt flow index ; Composite material ; Degradation (telecommunications) ; Polymer Polymer Science and PVC ; Structural Analysis of Composite Materials ; Polymer crystallization and properties
Authors: Marisol Martín‐González | Ketan Lohani | Neophytos Neophytou
Source: Energy Materials (article, 2025-06-19)
Field: Materials Science — Materials Chemistry

Phonon and electron transport engineering for enhanced thermoelectric performance and the challenges of device integration Thermoelectricity has long been recognized as a transformative technology for power generation and cooling, owing to its capability to convert heat directly into electricity and vice versa, thereby facilitating cost-effective and environmentally friendly energy conversion. Following a period of modest activity, the field has experienced a remarkable resurgence since 2000, driven by significant advancements in the development of a diverse array of new materials and compounds, alongside enhanced capabilities for controlled nanostructuring. This rapid growth and the innovative breakthroughs observed over the past two decades can be largely attributed to a deeper understanding of the physical properties at the nanoscale. Among the various thermoelectric materials, nanostructured variants exhibit the highest potential for commercial application due to their unprecedented thermoelectric performance, which arises from substantial reductions in thermal conductivity. However, further advancements will not rely solely on nanostructuring; they will also necessitate novel electronic structure design concepts that require a comprehensive understanding of the complexities of electronic and phonon transport. These developments present significant opportunities for thermoelectric energy harvesting, power generation, and cooling applications. This article aims to summarize and elucidate the breakthroughs reported in recent years, discuss future avenues that integrate nanostructuring concepts with the rich electronic structures of novel materials, and provide a critical overview of the future directions in thermoelectric materials research. Additionally, it offers a comprehensive overview of state-of-the-art thermoelectric materials and devices and a summary of the challenges associated with transitioning these materials into practical devices. Thermoelectric materials ; Thermoelectric effect ; Nanotechnology ; Engineering physics ; Electricity generation ; Thermoelectric generator ; Electricity ; Electronics ; Materials science ; Transformative learning ; Systems engineering ; Power (physics) ; Engineering ; Electrical engineering ; Physics Advanced Thermoelectric Materials and Devices ; Thermal properties of materials ; Thermal Radiation and Cooling Technologies
Authors: Amirreza Tarafdar | Hai-Ning Zhang | Xinlu Wang | Andrea J. Hoe | Kaiyue Deng | Kun Fu | Qiquan Qiao | Ian D. Hosein | Yeqing Wang
Source: Advanced Science (article, 2025-07-17)
Field: Chemistry — Organic Chemistry

Efficient Exothermic Press toward Ultrafast and Scalable Manufacturing of Complex Polymer Composites Rapid and scalable production of high-performance composites remains a key challenge in achieving sustainable manufacturing. Here, Exo-press frontal polymerization (EPFP), a novel and transformative method for manufacturing fiber-reinforced thermoset polymer composites, overcoming energy efficiency, scalability, and curing complex geometries, is introduced. Unlike conventional curing methods that require prolonged processing times and high energy, EPFP utilizes exothermic heat to reduce curing time from hours to minutes with minimal external energy. Combining exothermic heat with press molding, the novel EPFP enables the efficient fabrication of complex geometries, such as airfoil skin sections, with high fiber volume fractions (above 60%). In addition, EPFP is compatible with commercial off-the-shelf epoxy by integrating frontal resin, showcasing its versatility and adaptability for diverse industrial applications. Composites manufactured using EPFP exhibit superior thermomechanical properties while significantly reducing energy consumption by 80% and production costs by 40%. This makes it a sustainable and efficient solution for polymer composites manufacturing. Materials science ; Thermosetting polymer ; Curing (chemistry) ; Composite material ; Exothermic reaction ; Epoxy ; Polymer ; Molding (decorative) ; Scalability ; Computer science Photopolymerization techniques and applications ; Additive Manufacturing and 3D Printing Technologies ; Nanofabrication and Lithography Techniques
Authors: Kenji Kajiyama | Moriyoshi Haruyama | Yuji Hatano | Hiromitsu Kato | Masahiko Ogura | Toshiharu Makino | Hitoshi Noguchi | T. Sekiguchi | Takayuki Iwasaki | Mutsuko Hatano
Source: Advanced Quantum Technologies (article, 2025-01-18)
Field: Materials Science — Materials Chemistry

Heteroepitaxial (111) Diamond Quantum Sensors with Preferentially Aligned Nitrogen‐Vacancy Centers for an Electric Vehicle Battery Monitor Abstract A platform for heteroepitaxial (111) chemical vapor deposition (CVD) diamond quantum sensors with preferentially aligned nitrogen vacancy (NV) centers on a large substrate is developed, and its operation as an electric vehicle (EV) battery monitor is demonstrated. A self‐standing heteroepitaxial CVD diamond film with a (111) orientation and a thickness of 150 µm is grown on a non‐diamond substrate and subsequently separated from it. The high uniformity and crystallinity of the (111)‐oriented diamond is confirmed. A 150‐µm thick NV‐diamond layer is then deposited on the heteroepitaxial diamond. The T 2 value measured by confocal microscopy is 20 µs, which corresponds to substitutional nitrogen defect concentration of 8 ppm. The nitrogen‐vacancy concentration and T 2 * are estimated to be 0.05 ppm and 0.05 µs by continuous wave optically detected magnetic resonance (CW‐ODMR) spectroscopy in a fiber‐top sensor configuration. In a gradiometer, where two sensors are placed on both sides of the busbar, the noise floor is 17 nT/Hz 0.5 in the frequency range of 10–40 Hz without magnetic shielding. The Allan deviation of the magnetic field noise in the laboratory is below 0.3 µT, which corresponds to a busbar current of 10 mA, in the accumulation time range of 10 ms to 100 s. Diamond ; Battery (electricity) ; Vacancy defect ; Materials science ; Optoelectronics ; Quantum sensor ; Nitrogen ; Quantum ; Electrical engineering ; Nanotechnology ; Engineering ; Physics ; Quantum information ; Quantum network ; Condensed matter physics ; Composite material Diamond and Carbon-based Materials Research ; Carbon Nanotubes in Composites ; Graphene research and applications
Authors: Dariusz Pyka | Adam Kurzawa | Paweł Żochowski | Marcin Bajkowski | Mariusz Magier | Roman Grygoruk | Maciej Roszak | Krzysztof Jamroziak | Mirosław Bocian
Source: Archives of Civil and Mechanical Engineering (article, 2025-02-08)
Field: Materials Science — Materials Chemistry

Experimental and numerical research on additional vehicles protection against explosives Abstract The article presents an experimental and numerical study on the effectiveness of an additional shield mounted under the vehicles in reducing the penetration capability of the scattered mines, using the example of the MN-123 mine. For this purpose, the formation of the EFP (explosive formed penetrator) was analyzed for the classic scattered mine system with a double EFP-shaped charge. Then, after validating the numerical results against the experiment for the static tensile test, the authors performed a numerical analysis for a protective structure made of elastomer, placed between the mine and the bottom of the protected vehicle (parallel to the ground surface). Three variants of the thickness of the rubber element from 10 to 30 mm were analyzed in order to determine the impact of the shield thickness on the EFP formation process. In the final phase, the selected system was experimentally tested on a military training ground. The results obtained indicate that the use of analyzed shielding protecting bottom part of vehicles against mines and EFPs can significantly decrease the mine penetration capability. In addition, the use of the smoothed-particle hydrodynamic (SPH) method to describe the formation of the EFP projectile allowed to take into account the highly dynamic nature of the phenomenon. A novelty in the applied study is the use of an elastomeric cover in the immediate vicinity of the mine, which limits the EFP formation process and also limits the speed of the projectile. This is crucial because the key factor determining the penetrating capabilities of EFP is the high kinetic energy of the formed projectile. Based on the research conducted, areas of potential application of this type of covers can be distinguished. These will primarily be all types of heavy, armored vehicles moving in armed conflict zones, exposed to mines/IEDs/EFPs, such as armored infantry fighting vehicles and tanks. Explosive material ; Projectile ; Shield ; Smoothed-particle hydrodynamics ; Electromagnetic shielding ; Structural engineering ; Shaped charge ; Computer simulation ; Armour ; Materials science ; Numerical analysis ; Penetration depth ; Engineering ; Mechanics ; Geology ; Composite material ; Simulation ; Physics High-Velocity Impact and Material Behavior ; Energetic Materials and Combustion ; Structural Response to Dynamic Loads
Authors: Saff E. Awal Akhtar | Neophytos Neophytou
Source: ACS Applied Energy Materials (article, 2025-01-24)
Field: Materials Science — Materials Chemistry

Conditions for Thermoelectric Power Factor Improvements upon Band Alignment in Complex Bandstructure Materials Band alignment (or band convergence) is a strategy suggested to provide improvements in the thermoelectric power factor (PF) of materials with complex bandstructures. The addition of more bands at the energy region that contributes to transport can provide more conducting paths and could improve the electrical conductivity and PF of a material. However, this can lead to increased intervalley scattering, which will tend to degrade the conductivity. Using the Boltzmann transport equation (BTE) and a multiband model, we theoretically investigate the conditions under which band alignment can improve the PF. We show that PF improvements are realized when intraband scattering between the aligned bands dominates over interband scattering, with larger improvements reached when a light band is brought into alignment. In the more realistic scenario of intra- and interband scattering coexistence, we show that in the light band alignment case, possibilities of PF improvement are present even down to the level where the intra- and interband scattering are of similar strength. For heavy band alignment, this tolerance is weaker, and weaker interband scattering is necessary to realize PF improvements. On the other hand, when interband scattering dominates, it is not possible to realize any PF improvements upon band alignment, irrespective of bringing a light or a heavy band into alignment. Overall, to realize PF improvements upon band alignment, the valleys that are brought into alignment need to be as electrically conducting as possible compared to the lower energy base valleys and interact as little as possible with those. Power factor ; Thermoelectric effect ; Seebeck coefficient ; Materials science ; Thermoelectric materials ; Power (physics) ; Engineering physics ; Physics ; Thermodynamics Advanced Thermoelectric Materials and Devices ; Heusler alloys: electronic and magnetic properties ; Chalcogenide Semiconductor Thin Films
Authors: Guangsai Yang | Lina Sang | Chao Zhang | Khay Wai See | A. R. Hamilton | Michael S. Fuhrer | Ning Ye | G. Jeffrey Snyder | Xiaolin Wang
Source: Advanced Materials (review, 2025-07-09)
Field: Materials Science — Materials Chemistry

Advances in Topological Thermoelectrics: Harnessing Quantum Materials for Energy Applications Thermoelectric (TE) effect, which enables the direct conversion of heat into electricity or vice versa, has great importance for condensed matter physics and material science due to its great potential for sustainable energy applications. Topological materials, with their topologically nontrivial band structures and rich physical phenomena, offer exciting opportunities for achieving efficient TE energy conversion. Here, an overview of the recent theoretical is provided and experimental advances at the intersection of topology and thermoelectricity. The unique features of topological materials are examined, such as band inversion, topological surface/edge states, linear Dirac/Weyl bands, and Berry curvature, affect their TE transport properties. Additionally, the potential of band topology to enhance both longitudinal and transverse TE performance is discussed. The current challenges and prospects for further advancing topological TE materials and devices are identified, aiming to develop high-performance TE materials and devices. Materials science ; Thermoelectric materials ; Nanotechnology ; Engineering physics ; Quantum ; Physics ; Quantum mechanics ; Composite material ; Thermal conductivity Advanced Thermoelectric Materials and Devices ; Topological Materials and Phenomena ; Thermal properties of materials