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When phospholipids crystallize within the otherwise fluid membranes of giant unilamellar vesicles, the resulting molecularly-thin "2D" solids exhibit great variety in their morphology evolution. For instance within membranes containing…

Soft Condensed Matter · Physics 2026-02-06 Hao Wan , Geunwoong Jeon , Gregory M. Grason , Maria M. Santore

Hyperbolic metamaterials (HMMs) offer unconventional properties in the field of optics, enabling opportunities for confinement and propagation of light at the nanoscale. In-plane orientation of the optical axis, in the direction coinciding…

Materials Science · Physics 2021-03-09 I. Murataj , M. Channab , E. Cara , C. F. Pirri , L. Boarino , A. Angelini , F. Ferrarese Lupi

Polynomial machine learning potentials (MLPs) based on polynomial rotational invariants have been systematically developed for various systems and applied to efficiently predict crystal structures. In this study, we propose a robust…

Materials Science · Physics 2026-03-18 Hayato Wakai , Atsuto Seko , Isao Tanaka

Photonic metamaterials with properties unattainable in base materials are already beginning to revolutionize optical component design. However, their exceptional characteristics are often static, as artificially engineered into the material…

The development of miniaturized light sources with tunable functionality is crucial for advancing integrated photonic devices, enabling applications in quantum computing, communications, and sensing. Achieving tunable light emission after…

Optics · Physics 2024-10-29 Omar A. M. Abdelraouf , Mengfei Wu , Hong Liu

Laser-frequency stabilization with on-chip photonic integrated circuits will provide compact, low cost solutions to realize spectrally pure laser sources. Developing high-performance and scalable lasers is critical for applications…

Recently the supercooled Wahnstrom binary Lennard-Jones mixture was partially crystallized into ${\rm MgZn_2}$ phase crystals in lengthy Molecular Dynamics simulations. We present Molecular Dynamics simulations of a modified Kob-Andersen…

Soft Condensed Matter · Physics 2012-10-01 Søren Toxvaerd , Ulf R. Pedersen , Thomas B. Schrøder , Jeppe C. Dyre

We have fabricated two-dimensional phononic crystal (PnC) structures on GaAs doubly-clamped microelectromechanical system (MEMS) beam resonators to modulate their thermal properties. Owing to the reduction in the thermal conductance of the…

Applied Physics · Physics 2020-03-24 Ya Zhang , Boqi Qiu , Naomi Nagai , Masahiro Nomura , Sebastian Volz , Kazuhiko Hirakawa

Configurational entropy can impact crystallization processes, tipping the scales between structures of nearly equal internal energy. Using alloyed single crystals of Gd2PdSi3 in the AlB2-type structure, we explore the formation of complex…

Photonic crystals create dramatic new possibilities for nonlinear optics. Line defects are shown to support modes suitable for the production of pairs of photons by the material's second order nonlinearity even if the phase-matching…

Quantum Physics · Physics 2009-11-11 Gregor Weihs

We apply a simple dynamical density functional theory, the phase-field crystal (PFC) model of overdamped conservative dynamics, to address polymorphism, crystal nucleation, and crystal growth in the diffusion-controlled limit. We refine the…

Materials Science · Physics 2015-05-18 Gyula I. Tóth , György Tegze , Tamás Pusztai , László Gránásy

The evanescent coupling of light between a whispering-gallery-mode bottle microresonator and a sub-wavelength-diameter coupling fiber is actively stabilized by means of a Pound-Drever-Hall technique. We demonstrate the stabilization of a…

Optics · Physics 2015-05-28 C. Junge , S. Nickel , D. O'Shea , A. Rauschenbeutel

Controlling the spectral and polarization responses of two-dimensional (2D) crystals is vital for developing ultra-thin platforms for compact optoelectronic devices. However, independently tuning optical anisotropy and spectral response…

Mesoscale and Nanoscale Physics · Physics 2025-02-04 Tomojit Chowdhury , Fauzia Mujid , Zehra Naqvi , Ariana Ray , Ce Liang , David A. Muller , Nathan P. Guisinger , Jiwoong Park

Multi-beam ptychography (MBP) offers a scalable solution to improve the throughput of state-of-the-art ptychography by increasing the number of coherent beams that illuminate the sample simultaneously. However, increasing the number of…

Optics · Physics 2025-10-29 Runqing Yang , Pablo Villanueva-Perez , Maik Kahnt

Attractive interaction between spinless fermions in a two-dimensional lattice drives the formation of a topological superfluid. But the topological phase is dynamically unstable towards phase separation when the system has a high density of…

Quantum Gases · Physics 2021-10-04 Junhua Zhang , Sumanta Tewari , V. W. Scarola

By means of the variational method and numerical simulations, we demonstrate the existence of stable 3D nonlinear modes, viz. vortex ``bullets'', in the form of pulsed beams carrying orbital angular momentum, that can self-trap in a 2D…

The molecular structure of dimyristoyl phosphatidylserine (DMPS) monolayers on a water substrate in different phase states has been investigated under normal conditions by X-ray reflectometry with a photon energy of ~ 8 keV. According to…

Soft Condensed Matter · Physics 2017-12-25 Aleksey M. Tikhonov , Viktor E. Asadchikov , Yurii O. Volkov , Boris S. Roshchin , Yurii A. Ermakov

Layered lead halide A'2An-1PbnI3n+1 perovskites (2D LHPs) are attracting considerable attention as a more stable alternative with respect to APbI3 parent phases - a promising material for a new generation of solar cells. However, a critical…

The fabrication of multilayered heterostructures is essential for advancing microelectronic and biosensing technologies. Conventional top-down manufacturing techniques are often cost-prohibitive and unsuitable for biomedical applications.…

Chemical Physics · Physics 2025-06-13 Anand Dev Ranjan , Suyash Narayan Amzare , Subhrokoli Ghosh , Ayan Banerjee

Two-dimensional (2D) transition metal dichalcogenides (TMDs) hold great potential for future low-energy optoelectronics owing to their unique electronic, optical, and mechanical properties. Chemical vapor deposition (CVD) is the technique…