Article
Multidisciplinary Sciences
Younsik Kim, Min-Seok Kim, Dongwook Kim, Minjae Kim, Minsoo Kim, Cheng-Maw Cheng, Joonyoung Choi, Saegyeol Jung, Donghui Lu, Jong Hyuk Kim, Soohyun Cho, Dongjoon Song, Dongjin Oh, Li Yu, Young Jai Choi, Hyeong-Do Kim, Jung Hoon Han, Younjung Jo, Ji Hoon Shim, Jungpil Seo, Soonsang Huh, Changyoung Kim
Summary: The Kondo hybridization in FeTe is observed, and its role in the mechanism of magnetic order is discussed.
NATURE COMMUNICATIONS
(2023)
Article
Physics, Applied
Yinong Yin, Fanfan Shi, Guo-Qiang Liu, Xiaojian Tan, Jun Jiang, Ashutosh Tiwari, Baohe Li
Summary: This study investigates the magnetic properties and magnetocaloric performance of two high-entropy perovskites. It is found that a spin-glass phase occurs at low temperatures in the high-entropy compounds, leading to a sluggish magnetic transition. The increase in configurational entropy results in large refrigerant capacity for these materials.
APPLIED PHYSICS LETTERS
(2022)
Article
Chemistry, Multidisciplinary
George Yumnam, Yiyao Chen, Jiasen Guo, Jong Keum, Valeria Lauter, Deepak Kumar Singh
Summary: Experimental research demonstrates the existence of a massively degenerate ground state of magnetic charges in a nanoengineered magnetic honeycomb lattice, showing cooperative paramagnetism at low temperature and maintaining the degenerate configuration even under large magnetic field application. This highlights the robustness of disordered correlation of magnetic charges in a 2D honeycomb lattice and elucidates the dominance of exchange energy.
Article
Materials Science, Multidisciplinary
Masataka Mizuno, Kazuki Sugita, Hideki Araki
Summary: Using first principles-based Monte Carlo simulations, we investigated the short-range order (SRO) in CrMnFeCoNi high-entropy alloy. The results showed a significant change in the distribution of nearest neighbor (NN) pairs, leading to the formation of L1(2)-type ordering. This chemical SRO is caused by the instability of parallel-spin NN pairs around Cr atoms. The formation of this SRO is predicted to increase the elastic modulus of the material.
RESULTS IN PHYSICS
(2022)
Article
Engineering, Mechanical
Saideh Khatami, Ehsan Bolhasani, Matjaz Perc, Alireza Valizadeh
Summary: This study investigates the impact of collective oscillations in brain networks on dynamic interactions and information transfer. The results show that the phase difference between oscillatory activities determines the transmission of neural signals. By adjusting the phase difference, the patterns of information transfer can be changed.
NONLINEAR DYNAMICS
(2023)
Article
Chemistry, Physical
Gaoshang Gong, Jin Zhou, Yaran Duan, Huiyun Hu, Yongqiang Wang, Xuerui Cheng, Yuling Su
Summary: The study reveals that one-dimensional frustrated material Ca3CoMnO6 exhibits weak relaxor ferroelectric behavior and the presence of polar nanoregions, which results in the suppressed macroscopic ferroelectric polarization.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Multidisciplinary
Dheeraj Ranaut, Jogendra Kumar, K. Mukherjee
Summary: Frustration driven short-range magnetic correlations/fluctuations in quantum materials, such as LiNiVO4, have been found to exhibit exotic ground states like spin glass, low dimensional magnetism and quantum spin liquid. Structural investigations show that the random distribution of Ni and Li ions at octahedral sites in LiNiVO4 reduces magnetic frustration. Moreover, additional disorder in the form of anti-site occupation by Ni ions at tetrahedral sites is present. Magnetic susceptibility and heat capacity studies reveal the development of short-range magnetic correlations below 30 K and canted antiferromagnetism below 2.2 K in LiNiVO4, resulting from competing magnetic interactions due to disorder and reduced magnetic frustration.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2023)
Article
Multidisciplinary Sciences
Andrea M. Leon, Ever A. Velasquez, Francisco Caro-Lopera, Jose Mejia-Lopez
Summary: This study presents a mathematical approach to obtaining moire patterns in twisted hexagonal bilayers and calculates the electronic and magnetic properties of chromium trihalide layered compounds via ab initio methodologies. The results show that rotation angles can change magnetic configurations and lead to steep modifications in dispersion bands.
ADVANCED THEORY AND SIMULATIONS
(2022)
Article
Materials Science, Multidisciplinary
Keke Feng, Ian Andreas Leahy, Olatunde Oladehin, Kaya Wei, Minhyea Lee, Ryan Baumbach
Summary: We report the synthesis and magnetic properties of GdAuAl4Ge2 and TbAuAl4Ge2, revealing magnetically ordered states at low temperatures and magnetic fluctuations extending into the paramagnetic region. Rich behavior and phase transitions are observed in the ab-plane under applied magnetic fields. The similarity in phase diagrams between the two compounds suggests that factors such as lattice symmetry or interaction may control the magnetism. Similarities to compounds hosting skyrmion lattices are pointed out, highlighting the interest in the LnAuAl4Ge(2) family as reservoirs for complex magnetism and electronic behaviors.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Huda A. Alburaih, Sadia Nazir, Naveed Ahmed Noor, Amel Laref, Ramesh Sharma
Summary: The current study used full-potential methods to investigate the ferromagnetic characteristics of CdTm2Y4(Y= S, Se) spinels. The results revealed the stability of the ferromagnetic state in these materials, as well as their ductile behavior. Additionally, the calculations of thermal stability and thermoelectric efficiency are essential for evaluating the suitability of these materials in waste energy recovery systems and other technological applications.
Article
Multidisciplinary Sciences
Flynn Walsh, Mark Asta, Robert O. Ritchie
Summary: The presence, nature, and impact of chemical short-range order in the multi-principal element alloy CrCoNi are currently under debate, with first-principles calculations revealing a magnetic origin to this phenomenon. Models based on magnetic interactions are found to explain experimental anomalies, suggesting that short-range order of this type may be more common than previously realized.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Article
Multidisciplinary Sciences
Andrew D. King, Cristiano Nisoli, Edward D. Dahl, Gabriel Poulin-Lamarre, Alejandro Lopez-Bezanilla
Summary: Artificial spin ices are frustrated spin systems that can be engineered to allow the design and characterization of exotic emergent phenomena. In this study, a realization of spin ice in a lattice of superconducting qubits was reported, showing control over a fragile degeneracy point and the demonstration of Gauss's law for emergent effective monopoles in two dimensions. This qubit control paves the way for potential future study of topologically protected artificial quantum spin liquids.
Article
Materials Science, Multidisciplinary
Satoru Hayami
Summary: In this study, the multiple-Q instability under tetragonal single-ion anisotropy is theoretically investigated. Simulated annealing for a spin model with momentum-resolved interaction and fourth-order inplane single-ion anisotropy on a square lattice reveals various field-induced double-Q states in the ground state due to the interplay between competing exchange interactions in momentum space and single-ion anisotropy. The emergence of a double-Q vortex crystal is particularly observed when the interactions at high-harmonic wave vectors are comparable to those at wave vectors with dominant contributions. These results highlight the significance of magnetic anisotropy in centrosymmetric magnets for the multiple-Q instability.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2023)
Article
Electrochemistry
Humera Khushi, Sadia Nazir, N. A. Noor, A. Mahmood, Yousef Mohammed Alanazi, Sohail Mumtaz
Summary: The ferromagnetic semiconducting nature of CdHo2Y4 materials is found to be attributed to the p-d hybridization of Ho cations in the lattice. The thermal coefficients play a significant role in evaluating the material's thermal stability, while the dielectric complex function completely describes the optical behavior of the material.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2023)
Article
Psychology, Multidisciplinary
Lei Wang, Na Jiang
Summary: The AI era poses challenges to the use and functions of emotion in college students, and their college life is often experienced as an emotional rollercoaster. Our study investigates the mechanism of creativity improvement under negative emotion, finding that frustration tolerance mediates the relationship between negative emotion and creativity, but this effect depends on emotion regulation. Cognitive reappraisal and expressive suppression have opposite effects on this relationship.
FRONTIERS IN PSYCHOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Seyed Hosein Payandeh, Daniel Rentsch, Zbigniew Lodziana, Ryo Asakura, Laurent Bigler, Radovan Cerny, Corsin Battaglia, Arndt Remhof
Summary: This study introduces hydroborate-based solid electrolytes for high voltage all-solid-state sodium batteries and proposes the cost-effective building block LiB11H14 nido-hydroborate for lithium systems with high ionic conductivity. Strategies to improve stability by modifying chemical structure are discussed, and compatibility with metallic anodes is demonstrated through galvanostatic cycling. Additionally, the electrolyte Li-2(B11H14)(CB11H12) shows promising performance in a proof-of-concept half cell with TiS2 cathode.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Correction
Nanoscience & Nanotechnology
Francesco Pagani, Evelyn Stilp, Reto Pfenninger, Eduardo Cuervo Reyes, Arndt Remhof, Zoltan Balogh-Michels, Antonia Neels, Jordi Sastre-Pellicer, Michael Stiefel, Max Dobeli, Marta D. Rossell, Rolf Erni, Jennifer L. M. Rupp, Corsin Battaglia
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Angelina Gigante, Seyedhosein Payandeh, Jakob B. Grinderslev, Michael Heere, Jan Peter Embs, Torben R. Jensen, Tatsiana Burankova, Arndt Remhof, Hans Hagemann
Summary: Rare earth borohydrides RE(BH4)(3) have been studied for energy storage, luminescence, and magnetic applications. The investigation on praseodymium borohydride Pr((BH4)-B-11)(3) with B-11 isotope showed a volume contraction phase transition upon heating to 493 K, which persisted upon cooling at room temperature. Additionally, the vibrational analysis indicated a constant B-H bond length during the structural phase transition.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Nanoscience & Nanotechnology
Ryo Asakura, Leo Duchene, Seyedhosein Payandeh, Daniel Rentsch, Hans Hagemann, Corsin Battaglia, Arndt Remhof
Summary: The hydroborate solid electrolyte Na-4(B12H12)(B10H10) shows high thermal compatibility with 3V-class cathode active materials, especially with NaCrO2, indicating potential for highly safe all-solid-state batteries with a wide operating temperature range. The experimentally determined thermal decomposition onset temperatures surpass those of sulfide and selenide solid electrolytes, highlighting the need for understanding the decomposition pathways of hydroborates for more accurate theoretical predictions.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Inorganic & Nuclear
Romain Moury, Zbigniew Lodziana, Arndt Remhof, Leo Duchene, Elsa Roedern, Angelina Gigante, Hans Hagemann
Summary: This work investigates the structural and mechanical properties of alkali hydrido-closo-(car)borates, a promising class of solid-state electrolyte materials, using high-pressure and temperature-dependent X-ray diffraction experiments combined with density functional theory (DFT) calculations. The study reveals low shear moduli and high coefficients of thermal expansion for these compounds, as well as pressure-induced and temperature-induced phase transitions. The findings suggest potential benefits for manufacturing and stable cycling of all-solid-state batteries.
INORGANIC CHEMISTRY
(2022)
Article
Nanoscience & Nanotechnology
Yauhen Sheima, Johannes von Szczepanski, Patrick M. Danner, Tina Kuenniger, Arndt Remhof, Holger Frauenrath, Dorina M. Opris
Summary: Polysiloxanes modified with amide groups are found to exhibit high dielectric permittivity and fast recovery of initial shape. These elastomers have high strain at break and low mechanical loss factor, making them suitable for actuators and sensors with reliable performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Yuanye Huang, Radovan Cerny, Corsin Battaglia, Arndt Remhof
Summary: Hydroborates are investigated as solid electrolytes for all-solid-state batteries, and the impact of pressure on their crystal structure and ionic conductivity is studied. Different ratios of Na2B10H10 and Na2B12H12 result in different crystal phases. Applying pressure to densify the powder leads to a partial phase transformation into a body-centered cubic (BCC) phase. The sodium-ion conductivity increases with increasing BCC content for both ratios.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Paul Till, Ryo Asakura, Arndt Remhof, Wolfgang G. Zeier
Summary: In this study, the structural characterization of several different Na+ closo-hydroborates was investigated using Bragg diffraction and pair distribution function analysis. The results showed a low correlation of atom motions between hydroborate cages, providing important insights into the understanding of hydroborates and other plastic crystals.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Plant Sciences
Yuting Huang, Qianru Chen, Weijie Pan, Ying Zhang, Jiasheng Li, Xingyang Xue, Xinhe Lei, Shumei Wang, Jiang Meng
Summary: This study demonstrates that raw Moutan Cortex exerts blood-activating and anti-inflammatory effects by regulating the target genes of the coagulation-inflammation cascade pathway.
JOURNAL OF ETHNOPHARMACOLOGY
(2024)
Article
Chemistry, Physical
Andrea Garcia, Gian Mueller, Radovan Cerny, Daniel Rentsch, Ryo Asakura, Corsin Battaglia, Arndt Remhof
Summary: This study demonstrates the feasibility of using hydridoborates as solid electrolytes for solid-state lithium batteries. By cation exchange and ball milling, Li2B10H10 and Li2B12H12 can be prepared with high yields, and the mixed-phase Li4B10H10B12H12 shows significantly improved ionic conductivity compared to the individual phases. The solid electrolyte exhibits good oxidative and thermal stability, and the proof-of-concept solid-state batteries using it as the electrolyte show promising performance.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Chengyin Fu, Mihail Iacob, Yauhen Sheima, Corsin Battaglia, Leo Duchene, Lukas Seidl, Dorina M. Opris, Arndt Remhof
Summary: The novel electrolyte based on a chemically cross-linked polysiloxane elastomer offers excellent elasticity, low glass transition temperature, high thermal stability, good conductivity, and high transference number, enabling stable lithium plating and stripping at elevated temperatures. Room-temperature ionic conductivity and stable lithium deposition and stripping at room temperature can be achieved with specific treatments, showing the potential for further improvements in solid-state battery technology.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Multidisciplinary
Ryo Asakura, David Reber, Leo Duchene, Seyedhosein Payandeh, Arndt Remhof, Hans Hagemann, Corsin Battaglia
ENERGY & ENVIRONMENTAL SCIENCE
(2020)
Editorial Material
Chemistry, Inorganic & Nuclear
Kasper T. Moller, Anna-Lisa Sargent, Arndt Remhof, Michael Heere
Article
Chemistry, Inorganic & Nuclear
Romain Moury, Angelina Gigante, Arndt Remhof, Elsa Roedern, Hans Hagemann
DALTON TRANSACTIONS
(2020)
Article
Chemistry, Physical
Leo Duchene, Dong Hyeon Kim, Yong Bae Song, Seunggoo Jun, Romain Moury, Arndt Remhof, Hans Hagemann, Yoon Seok Jung, Corsin Battaglia
ENERGY STORAGE MATERIALS
(2020)
