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HIGHLIGHTED ARTICLES

Dynamical phase transition in the growth of programmable polymorphic materials

Fan Chen and William M. Jacobs

Phys. Rev. Materials 9, 053403 (2025) - Published 22 May, 2025

In conventional materials design problems, the possibility of assembling alternative crystal structures from a single set of subunits is disadvantageous. By contrast, multicomponent systems with programmable interactions can in principle be designed to assemble into multiple distinct crystal structures on purpose, opening up the possibility of selecting a specific encoded polymorph on demand by growing the crystal from an initial seed. Here the authors describe the conditions under which seeded polymorphic self-assembly is dynamically stable, and they identify a nonequilibrium phase transition that fundamentally limits the number of unique polymorphs that can be encoded in this way.

Adaptation of Wallace's approach to the specific heat of elemental solids with significant intrinsic anharmonicity, particularly the light actinide metals

Christopher A. Mizzi, W. Adam Phelan, Matthew S. Cook, Greta L. Chappell, Paul H. Tobash, David C. Arellano, Derek V. Prada, Boris Maiorov, and Neil Harrison

Phys. Rev. Materials 9, 053801 (2025) - Published 9 May, 2025

Intrinsic anharmonicity refers to changes in phonon frequencies with temperature at constant volume. This phenomenon can be significant, but is often not captured in traditional thermodynamic models. The authors introduce the “elastic softening approximation” to model intrinsic anharmonic effects by tracking entropy changes resulting from the continuous change of phonons as a function of temperature deduced from elastic moduli measurements. The new framework is successfully applied to elemental solids with different crystal and electronic structures, including the light actinide metals. This approach reveals large anharmonicity at elevated temperatures across the actinides and a connection between phonon softening and Poisson’s ratio.

Acoustic response of molecular adsorption and sound propagation in nanoporous materials

Loriane Didier, Alan Sam, Rodolfo Venegas, and Benoit Coasne

Phys. Rev. Materials 9, 056001 (2025) - Published 7 May, 2025

Molecular simulation and statistical mechanics are used to unravel the microscopic mechanisms through which fluid adsorption impacts sound propagation and attenuation in nanoporous materials. By considering different fluids, temperatures, and fluid-solid interaction strengths, the authors first derive a simple model that predicts the decay in the sound velocity upon increasing the fluid mass density. They also show that sound attenuation increases with the amount of fluid adsorbed and with the solid-fluid interaction strength due to phonon scattering at the fluid-solid interface. The authors establish that all data can be quantitatively rationalized by considering the change in the phonon lifetime through an additional relaxation time arising from the interaction between fluid molecules and the atoms of the nanoporous solid.

Quantifying the creation of negatively charged boron vacancies in He-ion irradiated hexagonal boron nitride

Amedeo Carbone, Ilia D. Breev, Johannes Figueiredo, Silvan Kretschmer, Leonard Geilen, Amine Ben Mhenni, Johannes Arceri, Arkady V. Krasheninnikov, Martijn Wubs, Alexander W. Holleitner, Alexander Huck, Christoph Kastl, and Nicolas Stenger

Phys. Rev. Materials 9, 056203 (2025) - Published 27 May, 2025

Hexagonal boron nitride (hBN) can host a plethora of luminescent defects with various quantum properties, also at room temperature. Charged boron vacancies (VB-), in particular, possess spin qualities compatible with quantum sensing protocols. In this work, the authors exploit a focused beam of helium ions to systematically generate optically active vacancy defects in hBN flakes at varying density. By comparing optical magnetic resonance measurements with calculations based on a microscopic charge model, in which a correction term due to a constant background charge was introduced, they are able to quantify the number of defects generated by the ion irradiation. With the help of molecular dynamics simulations, a lower bound for the fraction (0.2%) of all vacancies in the optically active, negatively charged state is reported.

Fully thermal meta-GGA exchange correlation free-energy density functional

Katerina P. Hilleke, Valentin V. Karasiev, S. B. Trickey, R. M. N. Goshadze, and S. X. Hu

Phys. Rev. Materials 9, L050801 (2025) - Published 27 May, 2025

Warm dense matter (WDM) is the materials regime that bridges condensed matter and plasmas that occurs in giant-planet centers and the state trajectory of inertial confinement fusion experiments. Predictive density functional theory simulations of WDM must use an explicitly temperature-dependent free-energy exchange-correlation functional. Incorporating thermal effects at the meta-GGA level of refinement, the newly developed fully thermal fTSCAN functional provides high accuracy across the entire temperature and pressure range from ambient to extreme conditions. Tests on model systems highlight the contributions of thermal and density inhomogeneity effects, while molecular dynamics simulations demonstrate accuracy for materials ranging from water under ambient conditions to dense hydrogen at a wide range of temperatures.

Experimental confirmation of Ruderman-Kittel-Kasuya-Yosida-type interlayer Dzyaloshinskii-Moriya interaction across Ru spacers

Yu-Hao Huang, Xi-Wei Lu, Jui-Hsu Han, Chih-Chen Peng, and Chi-Feng Pai

Phys. Rev. Materials 9, L051401 (2025) - Published 5 May, 2025

The Ruderman–Kittel–Kasuya–Yosida (RKKY) interaction, a cornerstone of magnetism for over half a century, is now linked to a new frontier: interlayer Dzyaloshinskii–Moriya interaction (IL-DMI). In this study, the authors experimentally demonstrate that IL-DMI mediated by a Ru spacer exhibits a damped oscillatory behavior mirroring the classic RKKY signature. This discovery not only confirms the link between RKKY and IL-DMI but also unveils a new pathway for engineering chiral spin textures through spacer thickness control.

REVIEW ARTICLES

Novel phenomena in transition-metal oxide thin films and heterostructures with strong correlations and spin-orbit coupling

Satoshi Okamoto, Narayan Mohanta, Ho Nyung Lee, Adriana Moreo, and Elbio Dagotto

Phys. Rev. Materials 9, 050301 (2025) - Published 13 May, 2025

Since the discovery of high-Tc superconductivity in cuprates, transition-metal oxides have been a central subject of condensed matter physics to explore novel phenomena arising from strong electron-electron interactions. Recently, the combination of strong correlation and relativistic spin-orbit coupling effects has been recognized as a key ingredient to induce potential topological phenomena. This article reviews recent progress in correlated topological phenomena in transition-metal oxide thin films and heterostructures, such as magnetic skyrmions, topological Hall effects, and Dirac fermions. Future perspectives are also discussed including Weyl fermions, altermagnetism, and topological superconductivity.

LETTERS

Development of new methods for materials

Fully thermal meta-GGA exchange correlation free-energy density functional

Katerina P. Hilleke, Valentin V. Karasiev, S. B. Trickey, R. M. N. Goshadze, and S. X. Hu

Phys. Rev. Materials 9, L050801 (2025) - Published 27 May, 2025

Warm dense matter (WDM) is the materials regime that bridges condensed matter and plasmas that occurs in giant-planet centers and the state trajectory of inertial confinement fusion experiments. Predictive density functional theory simulations of WDM must use an explicitly temperature-dependent free-energy exchange-correlation functional. Incorporating thermal effects at the meta-GGA level of refinement, the newly developed fully thermal fTSCAN functional provides high accuracy across the entire temperature and pressure range from ambient to extreme conditions. Tests on model systems highlight the contributions of thermal and density inhomogeneity effects, while molecular dynamics simulations demonstrate accuracy for materials ranging from water under ambient conditions to dense hydrogen at a wide range of temperatures.

Magnetic, ferroelectric, and multiferroic materials

Experimental confirmation of Ruderman-Kittel-Kasuya-Yosida-type interlayer Dzyaloshinskii-Moriya interaction across Ru spacers

Yu-Hao Huang, Xi-Wei Lu, Jui-Hsu Han, Chih-Chen Peng, and Chi-Feng Pai

Phys. Rev. Materials 9, L051401 (2025) - Published 5 May, 2025

The Ruderman–Kittel–Kasuya–Yosida (RKKY) interaction, a cornerstone of magnetism for over half a century, is now linked to a new frontier: interlayer Dzyaloshinskii–Moriya interaction (IL-DMI). In this study, the authors experimentally demonstrate that IL-DMI mediated by a Ru spacer exhibits a damped oscillatory behavior mirroring the classic RKKY signature. This discovery not only confirms the link between RKKY and IL-DMI but also unveils a new pathway for engineering chiral spin textures through spacer thickness control.

Quantum spin relaxation with THz attempt frequency in the 1/3-fire, 2/3-ice ferrimagnet SmMn2Ge2

M. L. McLanahan, D. Lederman, and A. P. Ramirez

Phys. Rev. Materials 9, L051402 (2025) - Published 13 May, 2025

ARTICLES

Crystal growth, crystallization, and kinetics

High-pressure floating zone crystal growth of Sr2IrO4

Steven J. Gomez Alvarado, Yiming Pang, Pedro A. Barrera, Dibyata Rout, Claudia Robison, Zach Porter, Hanna Z. Porter, Erick A. Lawrence, Euan N. Bassey, and Stephen D. Wilson

Phys. Rev. Materials 9, 053402 (2025) - Published 16 May, 2025

Dynamical phase transition in the growth of programmable polymorphic materials

Fan Chen and William M. Jacobs

Phys. Rev. Materials 9, 053403 (2025) - Published 22 May, 2025

In conventional materials design problems, the possibility of assembling alternative crystal structures from a single set of subunits is disadvantageous. By contrast, multicomponent systems with programmable interactions can in principle be designed to assemble into multiple distinct crystal structures on purpose, opening up the possibility of selecting a specific encoded polymorph on demand by growing the crystal from an initial seed. Here the authors describe the conditions under which seeded polymorphic self-assembly is dynamically stable, and they identify a nonequilibrium phase transition that fundamentally limits the number of unique polymorphs that can be encoded in this way.

Structural and mechanical properties

Interfacial defect properties of high-entropy carbides: Stacking faults, Shockley partial dislocations, and a new Evans-Polanyi-Semenov relation

Samuel E. Daigle, Stefano Curtarolo, William G. Fahrenholtz, Jon-Paul Maria, Douglas E. Wolfe, Eva Zurek, and Donald W. Brenner

Phys. Rev. Materials 9, 053601 (2025) - Published 5 May, 2025

Ab initio prediction of FeCr sigma (001)/FCC Fe(111) interfacial energy: Effect of interfacial doping of C, B, and N

Saro San, Yi Wang, Jianguo Yu, Michael V. Glazoff, and Michael C. Gao

Phys. Rev. Materials 9, 053602 (2025) - Published 12 May, 2025

Electronic effects in radiation-induced collision cascades in nickel

Andrea E. Sand, Glen P. Kiely, Artur Tamm, and Alfredo A. Correa

Phys. Rev. Materials 9, 053603 (2025) - Published 15 May, 2025

Unveiling the inverse Hall-Petch behavior and failure mechanism in nanocrystalline high-entropy carbides

Jun Li, Kun Luo, and Qi An

Phys. Rev. Materials 9, 053604 (2025) - Published 20 May, 2025

Dislocations and plasticity of KTaO3 perovskite modeled with an interatomic potential

Pierre Hirel, Franck Junior Kakdeu Yewou, Jiawen Zhang, Wenjun Lu, Xufei Fang, and Philippe Carrez

Phys. Rev. Materials 9, 053605 (2025) - Published 27 May, 2025

Development of new methods for materials

Adaptation of Wallace's approach to the specific heat of elemental solids with significant intrinsic anharmonicity, particularly the light actinide metals

Christopher A. Mizzi, W. Adam Phelan, Matthew S. Cook, Greta L. Chappell, Paul H. Tobash, David C. Arellano, Derek V. Prada, Boris Maiorov, and Neil Harrison

Phys. Rev. Materials 9, 053801 (2025) - Published 9 May, 2025

Intrinsic anharmonicity refers to changes in phonon frequencies with temperature at constant volume. This phenomenon can be significant, but is often not captured in traditional thermodynamic models. The authors introduce the “elastic softening approximation” to model intrinsic anharmonic effects by tracking entropy changes resulting from the continuous change of phonons as a function of temperature deduced from elastic moduli measurements. The new framework is successfully applied to elemental solids with different crystal and electronic structures, including the light actinide metals. This approach reveals large anharmonicity at elevated temperatures across the actinides and a connection between phonon softening and Poisson’s ratio.

Efficient dataset generation for machine learning halide perovskite alloys

Henrietta Homm, Jarno Laakso, and Patrick Rinke

Phys. Rev. Materials 9, 053802 (2025) - Published 12 May, 2025

Machine learning accelerated prediction of Ce-based ternary compounds involving antagonistic pairs

Weiyi Xia, Wei-Shen Tee, Paul C. Canfield, Fernando Assis Garcia, Raquel A Ribeiro, Yongbin Lee, Liqin Ke, Rebecca Flint, and Cai-Zhuang Wang

Phys. Rev. Materials 9, 053803 (2025) - Published 12 May, 2025

Electronic and optical excitations of K-Sb and Na-Sb crystals

Richard Schier and Caterina Cocchi

Phys. Rev. Materials 9, 053804 (2025) - Published 13 May, 2025

Efficient moment tensor machine-learning interatomic potential for accurate description of defects in Ni-Al Alloys

Jiantao Wang, Peitao Liu, Heyu Zhu, Mingfeng Liu, Hui Ma, Yun Chen, Yan Sun, and Xing-Qiu Chen

Phys. Rev. Materials 9, 053805 (2025) - Published 16 May, 2025

Accurate point defect energy levels from non-empirical screened range-separated hybrid functionals: The case of native vacancies in ZnO

Sijia Ke, Stephen E. Gant, Leeor Kronik, and Jeffrey B. Neaton

Phys. Rev. Materials 9, 053806 (2025) - Published 22 May, 2025

Fast and accurate machine-learned interatomic potentials for large-scale simulations of Cu, Al, and Ni

A. Fellman, J. Byggmästar, F. Granberg, K. Nordlund, and F. Djurabekova

Phys. Rev. Materials 9, 053807 (2025) - Published 23 May, 2025

Machine learning (ML) has become widely used in the development of interatomic potentials for molecular dynamics simulations. However, most ML potentials are still much slower than classical interatomic potentials and are usually trained with near equilibrium simulations in mind. Here, the authors have created computationally efficient Gaussian Approximation Potentials (GAP) for large-scale simulations in Cu, Al, and Ni. The models use a selection of low-dimensional descriptors and tabulation (tabGAP), achieving orders-of-magnitude speed up compared to standard GAP. Furthermore, the models include external repulsive pair interactions, and the training databases have been designed with extra attention to far-from equilibrium simulations.

Dielectric-dependent range-separated hybrid functional calculations for metal oxides

Jiawei Zhan, Marco Govoni, and Giulia Galli

Phys. Rev. Materials 9, 053808 (2025) - Published 28 May, 2025

Two-dimensional materials

Spin-polarized nearly-free electron channels on fluorinated Ca2N electrenes

Pedro H. Souza, José E. Padilha, and Roberto H. Miwa

Phys. Rev. Materials 9, 054001 (2025) - Published 1 May, 2025

Reversible switching of anomalous valley Hall effect to quasi-half-valley metal state in two-dimensional magnetic MXenes: A case study of Cr2CSF

Ankita Phutela and Saswata Bhattacharya

Phys. Rev. Materials 9, 054002 (2025) - Published 16 May, 2025

Emergence of half-metallic ferromagnetism and valley polarization in transition metal substituted WSTe monolayer

Shivani Kumawat, Chandan Kumar Vishwakarma, Mohd Zeeshan, Indranil Mal, Sunil Kumar, and B. K. Mani

Phys. Rev. Materials 9, 054003 (2025) - Published 19 May, 2025

Switchable magnetic and electronic properties in CrSX (X=Cl,Br,I) monolayers

Deju Zhang, Zhangzhang Yang, Tongwei Wu, Wei Ji, and Yanning Zhang

Phys. Rev. Materials 9, 054004 (2025) - Published 28 May, 2025

Topological and Dirac materials

Tuning the topological properties of the antiferromagnetic V(Bi1xSbx)2Te4 via Sb concentration

D. A-León, D. A. Landínez Téllez, J. Roa-Rojas, and Rafael González-Hernández

Phys. Rev. Materials 9, 054201 (2025) - Published 9 May, 2025

Structural inversion asymmetry in epitaxial ultrathin films of Bi(111)/InSb(111)B

Hadass S. Inbar, Muhammad Zubair, Jason T. Dong, Aaron N. Engel, Connor P. Dempsey, Yu Hao Chang, Shinichi Nishihaya, Shoaib Khalid, Alexei V. Fedorov, Anderson Janotti, and Chris J. Palmstrøm

Phys. Rev. Materials 9, 054202 (2025) - Published 14 May, 2025

Comparative analysis of SnTe films: Protecting topological surface states with BaF2 cap layer

W. P. do Prado, S. de Castro, E. Abramof, P. H. O. Rappl, Olavo T. Neto, Bráulio S. Archanjo, and M. L. Peres

Phys. Rev. Materials 9, 054203 (2025) - Published 19 May, 2025

First-principles studies of fermiology in topological phases of bulk ZrTe5

Chao Chen Ye, Yuliia Kreminska, Jianting Ye, and Jagoda Sławińska

Phys. Rev. Materials 9, 054204 (2025) - Published 27 May, 2025

Magnetic, ferroelectric, and multiferroic materials

Ferroelectric ferrimagnetic double perovskite oxides design for optoelectronics

Sathiyamoorthy Buvaneswaran, Monirul Shaikh, Trilochan Sahoo, and Saurabh Ghosh

Phys. Rev. Materials 9, 054401 (2025) - Published 9 May, 2025

Ferroelectricity in layered GaSe: Intralayer and interlayer sliding

Fahmida Fakhera, Oliver J. Conquest, Carla Verdi, and Catherine Stampfl

Phys. Rev. Materials 9, 054402 (2025) - Published 12 May, 2025

High-throughput screening of ferrimagnetic semiconductors with ultrahigh Néel temperature

Haidi Wang, Qingqing Feng, Shuo Li, Wei Lin, Weiduo Zhu, Zhao Chen, Zhongjun Li, Xiaofeng Liu, and Xingxing Li

Phys. Rev. Materials 9, 054403 (2025) - Published 15 May, 2025

Single-crystal growth and magnetic properties of quasi-one-dimensional Ce3MnBi5

Cuiwei Zhang, Jie Pang, Guohao Dong, Shengnan Zhang, Quansheng Wu, Youguo Shi, and Yaxian Wang

Phys. Rev. Materials 9, 054404 (2025) - Published 16 May, 2025

Temperature-dependent magnetocrystalline anisotropy of Fe2AlB2 single crystals

Nicolas Josten, Benedikt Beckmann, Ralf Meckenstock, Konstantin P. Skokov, Hanna Pazniak, Thierry Ouisse, Natalia Shkodich, Anna Semisalova, Oliver Gutfleisch, Michael Farle, and Ulf Wiedwald

Phys. Rev. Materials 9, 054405 (2025) - Published 16 May, 2025

Internal and external magnetic-field engineering of negative magnetization and exchange bias in La1xPrxCrO3 (0.8x0.9)

Deepak Garg, Amit Kumar, S. M. Yusuf, Markos Skoulatos, Sachindra Nath Sarangi, Dinesh Topwal, and Yixi Su

Phys. Rev. Materials 9, 054406 (2025) - Published 19 May, 2025

Stacking disorder in novel ABAC-stacked brochantite, Cu4SO4(OH)6

Aswathi Mannathanath Chakkingal, Chloe Fuller, Maxim Avdeev, Roman Gumeniuk, Kaushick K. Parui, Marein C. Rahn, Falk Pabst, Yiran Wang, Sergey Granovsky, Artem Korshunov, Dmitry Chernyshov, Dmytro S. Inosov, and Darren C. Peets

Phys. Rev. Materials 9, 054407 (2025) - Published 23 May, 2025

One-third magnetization plateau in a spin-1 kagome magnet BaNi3(AsO4)2(OH)2

Yuya Haraguchi, Jun-ichi Yamaura, Akira Matsuo, Koichi Kindo, and Hiroko Aruga Katori

Phys. Rev. Materials 9, 054408 (2025) - Published 27 May, 2025

Effect of crystallinity on spin-orbit torque in 5d iridium oxide IrO2

Tetsuro Morimoto, Kohei Ueda, Junichi Shiogai, Takanori Kida, Masayuki Hagiwara, and Jobu Matsuno

Phys. Rev. Materials 9, 054409 (2025) - Published 28 May, 2025

5d transition-metal oxides (TMOs) provide a promising platform for efficient spin-orbit torque (SOT) generation via the spin Hall effect. In this study, the authors fabricated binary IrO2 thin films with three distinct crystalline forms: epitaxial, polycrystalline, and amorphous states. Harmonic Hall measurements reveal that the SOT efficiency increases with decreasing crystallinity, from epitaxial to amorphous, along with an increase in electrical resistivity. Despite these variations, the spin Hall conductivity remains nearly constant, indicating the intrinsic spin Hall mechanism. These findings underscore the crucial role of crystallinity in SOT generation and open up possibilities for spintronic devices based on 5d TMOs.

Semiconducting materials

Electronic transport across the insulator-metal transition in Co-doped pyrite FeS2 single crystals

Bhaskar Das, Bryan Voigt, William Moore, Yeon Lee, Moumita Maiti, Vipul Chaturvedi, Greg Haugstad, Michael Manno, Eray Aydil, and Chris Leighton

Phys. Rev. Materials 9, 054601 (2025) - Published 6 May, 2025

Topological phase diagram of mercury cadmium telluride quantum wells

L. S. Bovkun, L. Fürst, C. Fuchs, V. Marković, M. Hofer, M. Siebert, C. Berger, F. Bayer, W. Beugeling, S. Schreyeck, H. Buhmann, L. W. Molenkamp, and T. Kießling

Phys. Rev. Materials 9, 054602 (2025) - Published 6 May, 2025

Phonon properties and unconventional heat transfer in a quasi-two-dimensional Bi2O2Se crystal

Jan Zich, Antonín Sojka, Petr Levinský, Martin Míšek, Kyo-Hoon Ahn, Jiří Navrátil, Jiří Hejtmánek, Karel Knížek, Václav Holý, Dmitry Nuzhnyy, Fedir Borodavka, Stanislav Kamba, and Čestmír Drašar

Phys. Rev. Materials 9, 054603 (2025) - Published 7 May, 2025

Origin of photoplasticity in ZnS

Sevim Polat Genlik, Roberto C. Myers, and Maryam Ghazisaeidi

Phys. Rev. Materials 9, 054604 (2025) - Published 16 May, 2025

Role of electron-phonon scattering on thermoelectric coefficients in pristine Cs2NaYbCl6 perovskite: A full DFT approach

Antonio Cappai, Claudio Melis, and Luciano Colombo

Phys. Rev. Materials 9, 054605 (2025) - Published 20 May, 2025

Cr is not an acceptor in βGa2O3

Cassandra Remple, Benjamin L. Dutton, Joel B. Varley, John S. McCloy, and Matthew D. McCluskey

Phys. Rev. Materials 9, 054606 (2025) - Published 22 May, 2025

Effects of strain compensation on electron mobilities in InAs quantum wells grown on InP(001)

C. P. Dempsey, J. T. Dong, I. Villar Rodriguez, Y. Gul, S. Chatterjee, M. Pendharkar, S. N. Holmes, M. Pepper, and C. J. Palmstrøm

Phys. Rev. Materials 9, 054607 (2025) - Published 27 May, 2025

Superconducting materials

Oxygen sublattice disorder and valence state modulation in infinite-layer nickelate superlattices

R. A. Ortiz, N. Enderlein, K. Fürsich, R. Pons, P. Radhakrishnan, E. Schierle, P. Wochner, G. Logvenov, G. Cristiani, P. Hansmann, B. Keimer, and E. Benckiser

Phys. Rev. Materials 9, 054801 (2025) - Published 27 May, 2025

Topochemistry enables material design by modifying the anion sublattices. In oxide heterostructures, these modifications can be layer-selective, resulting in different types of interface reconstructions with various electronic and magnetic properties. In the topochemical reduction of infinite-layer nickelate films, heteroepitaxy with the substrate or a capping layer plays an important role in stabilizing the superconducting phase. In this study, the authors investigate artificial superlattices with repeating interfaces between nickelate layers and layers of materials typically used as substrates or capping layers, using soft x-ray spectroscopy in combination with ab initio theory. They observe modulations in the nickel valence state and oxygen coordination disorder that correlate with electrical transport measurements.

Other electronic materials

Magnetotransport properties in epitaxial films of metallic delafossite PdCoO2: Effects of thickness and width variations in Hall bar devices

Arnaud P. Nono Tchiomo, Anand Sharma, Sethulakshmi Sajeev, Anna Scheid, Peter A. van Aken, Takayuki Harada, and Prosper Ngabonziza

Phys. Rev. Materials 9, 055001 (2025) - Published 22 May, 2025

Metamaterials, optical, photonic, and plasmonic materials

Overcoming the pulse-width limitation of third-order optical nonlinearity for above bandgap excitation in nanoparticles

Ankit Sharma, Mansi Pathak, Ravi Kumar Trivedi, Abhishek Das, Rituraj Sharma, Deepali Sharma, Brahmananda Chakraborty, Ravi Shankar Singh, C. S. Rout, and K. V. Adarsh

Phys. Rev. Materials 9, 055201 (2025) - Published 22 May, 2025

Crystalline environment of luminescent Tb3+ ions embedded in indium tin oxide thin films: A DFT and crystal field analysis assessment

E. Serquen, K. Lizárraga, L. A. Enrique, F. Bravo, S. Mishra, P. Llontop, P. Venezuela, L. R. Tessler, and J. A. Guerra

Phys. Rev. Materials 9, 055202 (2025) - Published 27 May, 2025

Free-standing zirconia metasurfaces for microwave resonant polarization conversion

Dimitrios C. Zografopoulos, Konstantinos Ntokos, Georgios Nousios, Guillaume de Calan, Odysseas Tsilipakos, Walter Fuscaldo, Angelos Xomalis, Laszlo Pethö, José Francisco Algorri, Victor Dmitriev, Traianos V. Yioultsis, and Emmanouil E. Kriezis

Phys. Rev. Materials 9, 055203 (2025) - Published 28 May, 2025

Materials for energy harvesting, storage, and generation

Thermally sensitive infra-red absorption bands and lattice incommensurability in photoelectric (CH3NH3)PbI3

Pai-Chun Wei, Yu-Shan Tseng, Huei-Yin Tseng, Shun-Ji Wu, Jia-Kai Hu, Tung-Yuan Yung, Tai-Cheng Chen, Hung-Cheng Wu, Chun-Min Wu, and Wen-Hsien Li

Phys. Rev. Materials 9, 055401 (2025) - Published 6 May, 2025

Anomalous reversal of stability in Mo-containing oxides: A difficult case exhibiting sensitivity to DFT+U and distortion

Tzu-chen Liu, Dale Gaines, II, Hyungjun Kim, Adolfo Salgado-Casanova, Steven B. Torrisi, and Chris Wolverton

Phys. Rev. Materials 9, 055402 (2025) - Published 7 May, 2025

Smoothed boundary method for phase field modeling of biphasic lithiation dynamics in LiFePO4 cathode

A. Yousfi, A. Demortière, and G. Boussinot

Phys. Rev. Materials 9, 055403 (2025) - Published 19 May, 2025

Soft, molecular, and amorphous materials

Accurate formula for the effective conductivity of highly clustered two-phase materials

Murray Skolnick and Salvatore Torquato

Phys. Rev. Materials 9, 055601 (2025) - Published 8 May, 2025

Emergent scales and spatial correlations at the yielding transition of glassy materials

Stefano Aime and Domenico Truzzolillo

Phys. Rev. Materials 9, 055602 (2025) - Published 22 May, 2025

Materials for catalysis and electrochemistry

Relevance of the electronic structure of the substrate to O2 molecule adsorption on Fe-N-C single-atom catalysts under electrochemical potential

Donghai Wu, Jiahang Li, Qinzhuang Liu, Dongwei Ma, and Li-Min Liu

Phys. Rev. Materials 9, 055801 (2025) - Published 12 May, 2025

Nanomaterials

Acoustic response of molecular adsorption and sound propagation in nanoporous materials

Loriane Didier, Alan Sam, Rodolfo Venegas, and Benoit Coasne

Phys. Rev. Materials 9, 056001 (2025) - Published 7 May, 2025

Molecular simulation and statistical mechanics are used to unravel the microscopic mechanisms through which fluid adsorption impacts sound propagation and attenuation in nanoporous materials. By considering different fluids, temperatures, and fluid-solid interaction strengths, the authors first derive a simple model that predicts the decay in the sound velocity upon increasing the fluid mass density. They also show that sound attenuation increases with the amount of fluid adsorbed and with the solid-fluid interaction strength due to phonon scattering at the fluid-solid interface. The authors establish that all data can be quantitatively rationalized by considering the change in the phonon lifetime through an additional relaxation time arising from the interaction between fluid molecules and the atoms of the nanoporous solid.

Interstitial solute segregation at triple junctions: Implications for nanomaterials and a case study of hydrogen in palladium

Nutth Tuchinda, Malik Wagih, and Christopher A. Schuh

Phys. Rev. Materials 9, 056002 (2025) - Published 19 May, 2025

2D semiconducting nanocarbons based on the asymmetrical assembly of acepentalene-like structural units

Moisés Pereira de Araújo, João Alberto Santos Porto, André Alves Lino, Vincent Meunier, and Eduardo Costa Girão

Phys. Rev. Materials 9, 056003 (2025) - Published 27 May, 2025

Materials for Quantum Technologies

Unusual planar anisotropy of the induced magnetism in KTb3F10

O. Demortier, S. Petit, B. Fauqué, E. Ressouche, I. Kibalin, J. Robert, R. Sibille, B. Roessli, C. Colin, A. Ivanov, O. Fabelo, T. Fennell, D. Hrabovsky, B. Leridon, F. Le Berre, J. Lhoste, and F. Damay

Phys. Rev. Materials 9, 056201 (2025) - Published 19 May, 2025

Coexistence of high electron-mobility, unpaired spins, and superconductivity at high carrier density SrTiO3-based interfaces

Thor Hvid-Olsen, Christina Hoegfeldt, Damon J. Carrad, Nicolas Gauquelin, Dāgs Olšteins, Johan Verbeeck, Nicolas Bergeal, Thomas S. Jespersen, and Felix Trier

Phys. Rev. Materials 9, 056202 (2025) - Published 19 May, 2025

The interface between γ-Al2O3 and SrTiO3 has for a decade held the record for highest mobility in SrTiO3-based interfaces. This has previously been attributed to a band-inversion between the dxy and dxz/yz-bands. Such a band-inversion can be expected to reveal other effects, including a different superconducting phase diagram as a function of carrier densities. Elucidated by transport measurements, coexistence of high electron mobility, high carrier density, superconductivity and unpaired spins is presented in this article. The possibility of engineering interplay between these effect makes the γ-Al2O3/SrTiO3 a promising candidate for quantum and spintronics technologies.

Quantifying the creation of negatively charged boron vacancies in He-ion irradiated hexagonal boron nitride

Amedeo Carbone, Ilia D. Breev, Johannes Figueiredo, Silvan Kretschmer, Leonard Geilen, Amine Ben Mhenni, Johannes Arceri, Arkady V. Krasheninnikov, Martijn Wubs, Alexander W. Holleitner, Alexander Huck, Christoph Kastl, and Nicolas Stenger

Phys. Rev. Materials 9, 056203 (2025) - Published 27 May, 2025

Hexagonal boron nitride (hBN) can host a plethora of luminescent defects with various quantum properties, also at room temperature. Charged boron vacancies (VB-), in particular, possess spin qualities compatible with quantum sensing protocols. In this work, the authors exploit a focused beam of helium ions to systematically generate optically active vacancy defects in hBN flakes at varying density. By comparing optical magnetic resonance measurements with calculations based on a microscopic charge model, in which a correction term due to a constant background charge was introduced, they are able to quantify the number of defects generated by the ion irradiation. With the help of molecular dynamics simulations, a lower bound for the fraction (0.2%) of all vacancies in the optically active, negatively charged state is reported.

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