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Diamond quantum sensors offer high precision and spatial resolution as magnetic probes, making them promising for a wide range of applications. While diamond anvil cells (DACs) can generate extremely high pressures, techniques for…

Solid state material at high pressure is prevalent throughout the Universe, and an understanding of the structure of matter under such extreme conditions, gleaned from x-ray diffraction, has been pursued for the best part of a century. The…

Other Condensed Matter · Physics 2022-09-14 Justin S. Wark , Malcolm I. McMahon , Jon H. Eggert

In the laboratory study of extreme conditions of temperature and density, the exposure of matter to high intensity radiation sources has been of central importance. Here we interrogate the performance of multi-layered targets in experiments…

The high-pressure melting curves of metals provide simple and useful tests for theories of melting, as well as important constraints for the modeling of planetary interiors. Here, we present an experimental technique that reveals the latent…

Pressure is a unique tool to tune the interplay between structural, electronic and magnetic interactions. It leads to remarkable properties of materials such as recent temperature records in superconductivity. Advanced magnetic measurements…

Pressure alters the physical, chemical and electronic properties of matter. The development of the diamond anvil cell (DAC) enables tabletop experiments to investigate a diverse landscape of high-pressure phenomena ranging from the…

Numerical simulations of heat transport in diamond anvil cells reveal a possibility for absolute measurements of specific heat via high-frequency modulation calorimetry. Such experiments could reveal and help characterize temperature-driven…

Materials Science · Physics 2017-04-26 Zachary M. Geballe , Gilbert W. Collins , Raymond Jeanloz

We have determined the crystal structures and superconducting transition temperatures of La1.48Nd0.4Sr0.12CuO4 under nearly hydrostatic pressures in diamond anvil cells to 5.0 GPa and 19.0 GPa, respectively. Synchrotron x-ray powder…

We present a first experiment combining high pression and coherent X-ray diffraction. By using a dedicated diamond anvil cell, we show that the degree of coherence of the X-ray beam is preserved when the X-ray beam passes through the…

Other Condensed Matter · Physics 2015-05-14 D. Le Bolloc'h , J. P. Itié , A. Polian , S. Ravy

Tuning the energy density of matter at high pressures gives rise to exotic and often unprecedented properties, e.g., structural transitions, insulator-metal transitions, valence fluctuations, topological order, and the emergence of…

Superconductivity · Physics 2022-09-21 Nathan Dasenbrock-Gammon , Raymond McBride , Gyeongjae Yoo , Sachith Dissanayake , Ranga Dias

Temperature and pressure are essential parameters in the synthesis, evaluation, and application of functional materials. This study proposes the addition of a heating function to a high-pressure diamond anvil cell (DAC) with in-situ…

Various phenomena (phase transformations, chemical reactions, and friction) under high pressures in diamond anvil cell are strongly affected by fields of all components of stress and plastic strain tensors. However, they could not be…

Materials Science · Physics 2022-12-27 V. I. Levitas , Achyut Dhar , K. K. Pandey

We report a novel high pressure structural sequence for the functionally graded thermoelectric, narrow band gap semiconductor AgSbTe$_{2}$, using angle dispersive x-ray diffraction in a diamond anvil cell with synchrotron radiation at room…

Layered transition-metal trichalcogenides have become one of the research frontiers as two-dimensional magnets and candidate materials used for phase-change memory devices. Herein we report the high-pressure synchrotron X-ray diffraction…

Strongly Correlated Electrons · Physics 2019-06-03 Zhenhai Yu , Wei Xia , Kailang Xu , Ming Xu , Hongyuan Wang , Xia Wang , Na Yu , Zhiqiang Zou , Jinggeng Zhao , Lin Wang , Xiangshui Miao , Yanfeng Guo

Boron implantation with in-situ dynamic annealing is used to produce highly conductive sub-surface layers in type IIa (100) diamond plates for the search of a superconducting phase transition. Here we demonstrate that high-fluence MeV…

Materials Science · Physics 2016-06-21 L. H. Willems van Beveren , R. Liu , H. Bowers , K. Ganesan , B. C. Johnson , J. C. McCallum , S. Prawer

In situ studies under severe plastic deformation at high pressures, employing rotational/shear diamond anvil cells (RDAC), have recently gained much interest in the high-pressure community owing to their potential applications in material…

Materials Science · Physics 2023-12-22 K. K. Pandey , H. K. Poswal

The high energy density of electronic excitations due to the impact of swift heavy ions can induce structural modifications in materials. We present a X-ray diffractometer called ALIX, which has been set up at the low-energy IRRSUD beamline…

Pressure serves as a fundamental tuning parameter capable of drastically modifying all properties of matter. The advent of diamond anvil cells (DACs) has enabled a compact and tabletop platform for generating extreme pressure conditions in…

In situ high-pressure energy dispersive x-ray diffraction experiments on polycrystalline powder TiN with NaCl-type structure have been conducted with the pressure up to 30.1 GPa by using the diamond anvil cell instrument with synchrotron…

Materials Science · Physics 2009-11-11 J. G. Zhao , L. X. Yang , Y. Yu , S. J. You , R. C. Yu , L. C. Chen , F. Y. Li , C. Q. Jin , X. D. Li , Y. C. Li , J. Liu
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