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Related papers: Phase Diagram for the Methane-Ethane System and it…

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James Webb Space Telescope's NIRSpec infrared imaging spectrometer observed the outer solar system dwarf planets Eris and Makemake in reflected sunlight at wavelengths spanning 1 through 5 microns. Both objects have high albedo surfaces…

Using synchrotron powder diffraction the structure of a co-crystal between benzene and ethane has been determined. The structure is remarkable, a lattice of benzene molecules playing host to ethane molecules. This is demonstrated by the…

Materials Science · Physics 2025-04-30 Helen E. Maynard-Casely , Robert Hodyss , Morgan L. Cable , Tuan Hoang Vu

We have investigated the Mott transition in a quasi-two-dimensional Mott insulator EtMe$_3$P[Pd(dmit)$_2$]$_2$ with a spin-frustrated triangular lattice in hydrostatic pressure and magnetic field. In the pressure-temperature ($P$-$T$) phase…

Strongly Correlated Electrons · Physics 2009-11-11 Yasuhiro Shimizu , Hikota Akimoto , Hiroyuki Tsujii , Akiko Tajima , Reizo Kato

We analyze data from the final two years of the Cassini mission to retrieve the distributions of methane, ethane, acetylene, ethylene, and benzene in Saturn's upper stratosphere and mesosphere from stellar occultations observed by the…

Earth and Planetary Astrophysics · Physics 2024-05-06 Zarah L. Brown , Tommi T. Koskinen , Julianne I. Moses , Sandrine Guerlet

Methane is typically thought to be formed in the solid state on the surface of cold interstellar icy grain mantles via the successive atomic hydrogenation of a carbon atom. In the current work we investigate the potential role of molecular…

Astrophysics of Galaxies · Physics 2022-04-06 Thanja Lamberts , Gleb Fedoseev , Marc van Hemert , Danna Qasim , Ko-Ju Chuang , Julia C. Santos , Harold Linnartz

Hydrophobic solutes significantly alters water hydrogen bond network. The local alteration of solvation struc-tures get reflected in the vibrational spectroscopic signal. Although it is possible to detect this microscopicfeatures by modern…

Chemical Physics · Physics 2020-06-16 Kambham Devendra Reddy , Rajib Biswas

Oxygen atom addition and insertion reactions may provide a pathway to chemical complexity in ices that are too cold for radicals to diffuse and react. We have studied the ice-phase reactions of photo-produced oxygen atoms with C2…

Earth and Planetary Astrophysics · Physics 2019-04-03 Jennifer B. Bergner , Karin I. Oberg , Mahesh Rajappan

We present a study of the melting dynamics of a two-phase eutectic solid. In situ, thin-sample experiments using a transparent eutectic alloy and two-dimensional phase field simulations calibrated for the very same alloy are combined to…

We present results of the coefficient of thermal expansion for the frustrated quasi-two-dimensional molecular conductor $\theta$-(BEDT-TTF)$_2$RbZn(SCN)$_4$ for temperatures 1.5 K $\leq T \leq$ 290 K. A pronounced first-order phase…

Strongly Correlated Electrons · Physics 2024-05-08 Yohei Saito , Owen Ganter , Chao Shang , Kenichiro Hashimoto , Takahiko Sasaki , Stephen M. Winter , Jens Müller , Michael Lang

The methyl groups in hexamethylbenzene C$_6$(CH$_3$)$_6$ become magnetically ordered at the molecular level below 118 K. This is also near the temperature at which the system structurally transitions from triclinic to a unique near-cubic…

Strongly Correlated Electrons · Physics 2018-12-07 Fei Yen

Recently, we have predicted [Phys. Rev. Lett. 97, 226102 (2006)] that a single ethylene molecule can form stable complexes with light transition metals (TM) such as Ti and the resulting TMn-ethylene complex can absorb up to ~12 and 14 wt %…

Materials Science · Physics 2009-11-13 W. Zhou , T. Yildirim , E. Durgun , S. Ciraci

The temperature dependence of the linear thermal expansion coefficients (LTEC) of a single crystal of a-(BEDT-TTF)2NH4Hg(SCN)4 where BEDT-TTF is bis(ethylenedithio)tetrathiafulvalene was studied by the method of precision capacitive…

We construct a phase field model including hydrodynamics and elasticity in one-component systems. It can be used to investigate solid-liquid and liquid-liquid phase transitions. Upon first-order phase transition, a velocity field is induced…

Soft Condensed Matter · Physics 2015-03-13 Kyohei Takae , Akira Onuki

Escape of an early atmosphere from Titan, during which time NH3 could be converted by photolysis into the present N2 dominated atmosphere, is an important problem in planetary science. Recently Gilliam and Lerman (2014) estimated escape…

Earth and Planetary Astrophysics · Physics 2016-03-16 Robert E Johnson , Orenthal J. Tucker , Alexey N. Volkov

A lattice model for active matter is studied numerically, showing that it displays wettings transitions between three distinctive phases when in contact with an impenetrable wall. The particles in the model move persistently, tumbling with…

Soft Condensed Matter · Physics 2017-09-13 Néstor Sepúlveda , Rodrigo Soto

The classical nucleation equation, applied to two liquids, is completed by an additional enthalpy for solid supercluster formation governing the liquid and glass transformations. This model, successfully applied to d-mannitol, triphenyl…

Disordered Systems and Neural Networks · Physics 2020-02-19 Robert Felix Tournier

This article introduces a dynamical Ginzburg-Landau phase transition/separation model for the mixture of liquid helium-3 and helium-4, using a unified dynamical Ginzburg-Landau model for equilibrium phase transitions. The analysis of this…

Soft Condensed Matter · Physics 2009-03-12 Tian Ma , Shouhong Wang

We report on the discovery of methyl acetate, CH3COOCH3, through the detection of a large number of rotational lines from each one of the spin states of the molecule: AA species (A1 or A2), EA species (E1), AE species (E2), EE species (E3…

Astrophysics of Galaxies · Physics 2015-06-15 B. Tercero , I. Kleiner , J. Cernicharo , H. V. L. Nguyen , A. López , G. M. Muñoz Caro

We used low-temperature synchrotron x-ray diffraction to investigate the structural phase transitions of Fe1+yTe in the vicinity of a tricitical point in the phase diagram. Detailed analysis of the powder diffraction patterns and…

Superconductivity · Physics 2013-10-03 Cevriye Koz , Sahana Rößler , Alexander A. Tsirlin , Steffen Wirth , Ulrich Schwarz

Water/glycerol mixtures are common for experiments with biomacromolecules at cryogenic temperatures due to their vitrification properties. Above the glass transition temperature, they undergo liquid-liquid phase separation. Using the novel…

Soft Condensed Matter · Physics 2025-09-11 Sergei Kuzin , Maxim Yulikov