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Single crystals of LiFeAs were successfully grown by a self-flux method using the cubic anvil high-pressure and high-temperature technique. The reaction took place in a closed boron nitride crucible at a pressure of 1 GPa and a temperature…

Superconductivity · Physics 2024-11-05 N. D. Zhigadlo

A floating zone furnace is a powerful tool for single crystal growth. Here, we report the floating zone furnace using a high power diode laser of 1kW composed of five 200 Watt heating beams. The five beams with the designed irradiation…

Strongly Correlated Electrons · Physics 2019-12-20 Yoshio Kaneko , Yoshinori Tokura

Incorporation of $\mathrm{Al_{y}Ga_{1-y}N}$ (AGN) semiconductors into high power electronics offers efficiency improvements in power transmission, generation, and use, if approaches to eliminate the defects arising from film-lattice…

Simultaneous differential thermal analysis (DTA) and thermogravimetric (TG) measurements with copper oxide/aluminum oxide mixtures were performed in atmospheres with varying oxygen partial pressures and with crucibles made of different…

Materials Science · Physics 2017-11-28 Nora Wolff , Detlef Klimm , Dietmar Siche

Typical accretion disks around massive protostars are hot enough for water ice to sublimate. We here propose to utilize the massive protostellar disks for investigating the collisional evolution of silicate grains with no ice mantle, which…

Earth and Planetary Astrophysics · Physics 2023-06-08 Ryota Yamamuro , Kei E. I. Tanaka , Satoshi Okuzumi

Rapid solidification experiments on thin film aluminum samples reveal the presence of lattice orientation gradients within crystallizing grains. To study this phenomenon, a single-component phase-field crystal (PFC) model that captures the…

Bulk crystals of zinc oxide can be grown from the melt by a Bridgman technique under pressure. This new technology using an iridium crucible shows the potential to yield large single crystals of good crystalline perfection. Crystals with…

Materials Science · Physics 2010-07-13 Detlev Schulz , Steffen Ganschow , Detlef Klimm

We report on the single crystal growth of Eu(Pd$_{1-x}$Au$_x$)$_2$Si$_2$, $0< x\leq 0.2$, from a levitating Eu-rich melt using the Czochralski method. Our structural analysis of the samples confirms the ThCr$_2$Si$_2$-type structure as well…

To treat the problem of growing protoplanetary disc solids across the meter barrier, we consider a very simplified two-component coagulation-fragmentation model that consists of macroscopic boulders and smaller dust grains, the latter being…

We experimentally study the crystallization of a monolayer of vibrated discs with a built-in polar asymmetry, a model system of active liquids, and contrast it with that of vibrated isotropic discs. Increasing the packing fraction $\phi$,…

Soft Condensed Matter · Physics 2016-09-05 G. Briand , O. Dauchot

The floating zone technique is a well-established single crystal growth method in materials research, able to produce volumetrically large specimens with extremely high purities. However, traditional furnace designs have relied on heating…

Materials Science · Physics 2019-04-25 Julian L. Schmehr , Michael Aling , Eli Zoghlin , Stephen D. Wilson

Single crystals of the three-dimensional frustrated magnet and spin liquid candidate compound PbCuTe$_2$O$_6$ were grown using both the Travelling Solvent Floating Zone (TSFZ) and the Top-Seeded Solution Growth (TSSG) techniques. The growth…

Materials Science · Physics 2021-11-25 A. R. N. Hanna , A. T. M. N. Islam , R. Feyerherm , K. Siemensmeyer , K. Karmakar , S. Chillal , B. Lake

Polycrystalline Ba4NbIr3O12 has recently been shown to be a promising spin liquid candidate. We report an easy and reliable method to grow millimeter-sized single crystals of this trimer based spin liquid candidate material with the actual…

Materials Science · Physics 2020-04-24 Gohil S. Thakur , Sumanta Chattopadhyay , Thomas Doert , T. Herrmannsdörfer , Claudia Felser

The wealth of structural phases seen in the rare-earth disilicate compounds promises an equally rich range of interesting magnetic properties. We report on the crystal growth by the optical floating zone method of members of the rare-earth…

The physics of ice crystal growth from the liquid phase, especially in the presence of salt, has received much less attention than the growth of snow crystals from the vapour phase. The growth of so-called frazil ice by solidification of a…

Materials Science · Physics 2017-11-22 David W. Rees Jones , Andrew J. Wells

We report on the efficient method of obtaining CeRh$_2$As$_2$ single crystals with the use of a bismuth flux growth method in a horizontal configuration. The crystals thus obtained exhibit much sharper phase transitions and distinctly…

Superconductivity · Physics 2024-02-07 Grzegorz Chajewski , Damian Szymański , Marek Daszkiewicz , Dariusz Kaczorowski

The availability of large high-quality single crystals is an important prerequisite for many studies in solid-state research. The optical floating-zone technique is an elegant method to grow such crystals, offering potential to prepare…

We couple a free solute diffusion model to a model of crystal surface growth represented by, but not limited to, a (2 + 1)-dimensional solid-on-solid (SOS) model confined by a flat surface. We use kinetic Monte Carlo (KMC) with dissolution…

Soft Condensed Matter · Physics 2020-06-03 Jørgen Høgberget , Dag K. Dysthe , Espen Jettestuen

Cosmic metallicity evolution possibly creates the diversity of star formation modes at different epochs. Gravitational fragmentation of circumstellar discs provides an important formation channel of multiple star systems, including close…

Astrophysics of Galaxies · Physics 2022-08-17 Ryoki Matsukoba , Kei E. I. Tanaka , Kazuyuki Omukai , Eduard I. Vorobyov , Takashi Hosokawa

The tetragonal YbNi$_4$P$_2$ is one of the rare examples of compounds that allow the investigation of a ferromagnetic quantum critical point. We report in detail on two different methods which have been used to grow YbNi$_4$P$_2$ single…

Strongly Correlated Electrons · Physics 2016-06-20 Kristin Kliemt , Cornelius Krellner