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We present an alternative to the classical SQUID magnetometric measurements for the First-Order Reversal Curve (FORC) diagram approach by employing differential scanning calorimetry (DSC) experiments. After discussing the main results, the advantages and limitations of the magnetometric FORCs, we introduce the calorimetric method. We argue that, while the results are comparable to those obtained via magnetometry, the calorimetric method not only significantly simplifies the required mathematical computations but also detects subtle or overlapping phase transitions that might be hard to distinguish magnetically. The methodology is illustrated through both experimental data and mean-field simulations.
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http://dx.doi.org/10.3390/ma18143413 | DOI Listing |
J Chem Phys
September 2025
Dipartimento di Fisica, Sapienza Università di Roma, P.le Aldo Moro 5, 00185 Rome, Italy.
Associative polymers (APs) with reversible, specific interactions between "sticker" sites exhibit a phase behavior that depends on a delicate balance between distinct contributions controlling the binding. For highly bonded systems, it is entropy that mostly determines whether, upon increasing concentration, the network forms progressively or via a first-order transition. With the aim of introducing an experimentally viable system tailored to test the subtle dependence of the phase behavior on binding site topology, we numerically investigate APs made of DNA, where "sticker" sites formed by short DNA sequences are interspersed in a flexible backbone of poly-T spacers.
View Article and Find Full Text PDFSci Rep
September 2025
Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, 40506, USA.
Recently, membrane technology has gained significant traction as an energy-efficient alternative to traditional thermal processes for solvent recovery. Deep eutectic solvents (DESs) have emerged as sustainable alternatives to conventional organic solvents, yet a systematic methodology for selecting compatible membrane materials for their recovery remains underdeveloped. This study established a predictive framework for membrane material selection in hydrophobic DES applications using Hansen Solubility Parameters (HSP) with inverted criteria targeting materials with relative energy difference (RED) values greater than 1.
View Article and Find Full Text PDFPhys Chem Chem Phys
August 2025
Faculty of Engineering Physics, Hanoi University of Science and Technology, 1 Dai Co Viet Rd., Hanoi 10000, Vietnam.
The emergence of two-dimensional (2D) materials, particularly in the form of nanosheets, has attracted significant attention due to their extraordinary properties that differ markedly from those of their bulk counterparts. Among these materials, zinc oxide (ZnO) stands out for its highly tunable electronic, optical, and mechanical properties. However, understanding strain-induced phase transitions in few-layer systems remains a critical challenge, especially in nanoporous ZnO architectures.
View Article and Find Full Text PDFWater Res
August 2025
State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China. Electronic address:
Heterogeneous catalytic ozonation (HCO) is a promising technology with significant potential for water treatment, but its application is limited by the optimization of performance and energy consumption. This study proposed an innovative adaptive multi-task learning (MTL) framework for performance optimization (PO), energy consumption (EC), and performance-energy balance (PEB). The PEB-MTL constructed with implicit functions and Pareto optimization achieved a multi-task balance between pseudo-first-order rate constant (k) and Electrical Energy per Order (EE/O), and could simultaneously optimize performance and energy consumption through adaptive task weighting and random perturbation-enhanced PSO algorithm.
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August 2025
Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, TX, 75205, USA.
The glacial record of gLGM and T1 millennial-scale ice readvances is not continuous across the Patagonian Icefields. Whether missing records indicate that some ice lobes did not readvance during this time, or whether they are the result of burial or erosion of the record, remains to be investigated. We use high-resolution seismic reflection data to probe the glaciolacustrine sediments of Lago Argentino for subaqueous evidence of glacier readvances during the gLGM and T1.
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