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Elements with low thermal neutron absorption cross-sections are ideal for enhancing structural materials in nuclear systems. In this study, We systematically investigate the segregation and co-segregation behaviors of eleven elements at the…

材料科学 · 物理学 2025-11-26 Guanlin Lyu , Yuguo Sun , Panpan Gao , Ping Qian

Phase equilibria in the Al-Ti-Nb-Zr-Ta refractory complex concentrated alloy system were investigated using a high throughput experimental approach. A pseudo-ternary section of the quinary compositional space was prepared by a honeycomb…

We have investigated the influence of Ca ions substitution on the structural and superconducting properties of (Nd1-xCax)(Ba1.6La0.4)Cu3Oz system. Magnetization, X-ray diffraction and neutron diffraction studies have been carried out on a…

超导电性 · 物理学 2010-05-14 Amish G. Joshi , R. G. Kulkarni , W. B. Yelon , Ram Prasad , M. R. Gonal

The Li-Sn binary system has been the focus of extensive research because it features Li-rich alloys with potential applications as battery anodes. Our present re-examination of the binary system with a combination of machine learning and ab…

材料科学 · 物理学 2022-08-09 Saba Kharabadze , Aidan Thorn , Ekaterina A. Koulakova , Aleksey N. Kolmogorov

We present an inelastic neutron scattering study of the crystal electric field levels in the intermetallic ferrimagnets RECo$_{5}$ (RE = Nd and Y). In NdCo$_{5}$, measurements at $5~$K reveal two levels at approximately 28.9 and 52.9 meV.…

This work presents a detailed investigation into the effect of a low Cu addition (0.01 at.%) on precipitation in an Al-0.80Mg-0.85Si alloy during ageing. The precipitate crystal structures were assessed by scanning transmission electron…

Evolutionary crystal structure prediction searches have been employed to explore the ternary Li-F-H system at 300 GPa. Metastable phases were uncovered within the static lattice approximation, with LiF$_3$H$_2$, LiF$_2$H, Li$_3$F$_4$H,…

材料科学 · 物理学 2021-04-07 Tiange Bi , Andrew Shamp , Tyson Terpstra , Russell J. Hemley , Eva Zurek

Ba2MnTeO6 was first characterised using X-ray diffraction and reported to show a small distortion1 from the idealised cubic perovskite which displays face-centred cubic arrangement of Mn2+. A recent report has asserted that this leads to a…

Ternary transition metal nitrides (TMNs) promise to significantly expand the material design space by opening new functionality and enhancing existing properties. However, most systems have only been investigated computationally and limited…

We used neutron powder diffraction to obtain the local and long-range structure of La0.5Ca0.5MnO3 at room temperature and 20K. By combining Rietveld and pair distribution function analysis of the total neutron scattering data, we have…

强关联电子 · 物理学 2009-11-10 E. E. Rodriguez , Th. Proffen , A. Llobet , J. J. Rhyne , J. F. Mitchell

We report the detailed analysis of temperature dependent neutron diffraction pattern of the Cr$_2$CoAl inverse Heusler alloy and unveil the magnetic structure up to the phase transition as well as its fully compensated ferrimagnetic nature.…

强关联电子 · 物理学 2023-03-22 Guru Dutt Gupt , Yousef Kareri , James Hester , Clemens Ulrich , R. S. Dhaka

Properties of Cu-Ni solid solutions have long been studied in physical and materials sciences. Yet, their many-body properties have not been well understood. Here, we investigate ultrafast luminescence in near infrared region for…

Accurately determining the crystallographic structure of a material, organic or inorganic, is a critical primary step in material development and analysis. The most common practices involve analysis of diffraction patterns produced in…

We present adaptive finite element simulations of dendritic and eutectic solidification in binary and ternary alloys. The computations are based on a recently formulated phase-field model that is especially appropriate for modelling…

材料科学 · 物理学 2009-11-10 Denis Danilov , Britta Nestler

The interior of a neutron star is expected to exhibit different states of matter. In particular, complex non-spherical configurations known as `pasta' phases may exist at the highest densities in the inner crust, potentially having an…

核理论 · 物理学 2021-10-28 H. Dinh Thi , T. Carreau , A. F. Fantina , F. Gulminelli

The crystal structure of the new superconductor UTe2 has been investigated for the first time at low temperature (LT) of 2.7 K, just closely above the superconducting transition temperature of about 1.7 K by single crystal neutron…

超导电性 · 物理学 2019-05-14 V. Hutanu , H. Deng , S. Ran , W. T. Fuhrman , H. Thoma , N. P. Butch

The prospect of GeSn semiconductors for silicon-integrated infrared optoelectronics brings new challenges related to the metastability of this class of materials. As a matter of fact, maintaining a reduced thermal budget throughout all…

The morphology and electronic structure of pentacene (Pn) deposited on Cu(111) was studied using scanning tunneling microscopy (STM) and spectroscopy (STS). Deposition of a multilayer followed by annealing to reduce coverage to a monolayer…

介观与纳米尺度物理 · 物理学 2011-10-24 Joseph Smerdon , Matthias Bode , Nathan Guisinger , Jeffrey Guest

This study examines the phase transitions occurring during linear heating of the Zr15Nb alloy through a comprehensive, multi-technique methodology comprising in-situ high-energy synchrotron X-ray diffraction (HEXRD), electrical resistance…

The direct observation of the phase separation between the metallic and insulating states of 75 %-deuterated $\kappa$-(ET)$_2$Cu[N(CN)$_2$]Br ($d33$) using infrared magneto-optical imaging spectroscopy is reported, as well as the associated…

强关联电子 · 物理学 2009-11-11 T. Nishi , S. Kimura , T. Takahashi , T. Ito , H. J. Im , Y. S. Kwon , K. Miyagawa , H. Taniguchi , A. Kawamoto , K. Kanoda