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Nitrogen-vacancy color centers in diamond have attracted broad attention as quantum sensors for both static and dynamic magnetic, electrical, strain and thermal fields, and are particularly attractive for quantum sensing under pressure in…

Materials Science · Physics 2021-11-09 Z. Wang , C. McPherson , R. Kadado , N. Brandt , S. Edwards , W. H. Casey , N. J. Curro

Optically detected magnetic resonance of nitrogen vacancy centers in diamond offers novel routes to both DC and AC magnetometry in diamond anvil cells under high pressures ($>3$ GPa). However, a serious challenge to realizing experiments…

Instrumentation and Detectors · Physics 2017-11-29 L. Steele , M. Lawson , M. Onyszczak , B. T. Bush , Z. Mei , A. P. Dioguardi , J. King , A. Parker , A. Pines , S. T. Weir , W. Evans , K. Visbeck , Y. K. Vohra , N. J. Curro

When the optical reflectance spectrum of a sample under high pressure is studied with a diamond anvil cell, it is measured at a sample/diamond interface. Due to the large refractive index of diamond, the resulting reflectance Rd(w) may…

Strongly Correlated Electrons · Physics 2012-06-14 H. Okamura

Accurate knowledge of material reflectance in the vacuum ultraviolet (VUV) range is crucial for optimizing photon detection in noble gas detectors such as DUNE. Despite its importance, reflectance values for detector materials in the VUV…

Instrumentation and Detectors · Physics 2026-04-27 J. Soto-Oton , H. Amar , A. Cervera , A. Roche

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…

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…

A simple method for detection of melting event in laser-heated diamond anvil cells (DACs) is introduced. The melting is registered optically by the formation of spherical drops of the investigated material as heated in an inert pressure…

We review recent development in Raman techniques and diamond anvil cell technology, that allow measurements of Raman of metals in the megabar pressure range. The Raman technique includes holographic transmission optics and single-stage…

We have developed an approach to control the carrier density in various material under high pressure by the combination of an electric double layer transistor (EDLT) with a diamond anvil cell (DAC). In this study, this EDLT-DAC was applied…

Pressure calibration for most diamond-anvil cell (DAC) experiments is mainly based on the ruby scale, which is key to implement this powerful tool for high-pressure study. However, the ruby scale can often hardly be used for…

Applied Physics · Physics 2024-10-16 Jian Chen , Hu Cheng , Xuefeng Zhou , Xiaozhi Yan , Lingfei Wang , Yusheng Zhao , Shanmin Wang

We performed ac-susceptibility measurements of magnesium diboride powder samples under pure hydrostatic pressures up to 0.4 GPa and under quasi-hydrostatic pressure conditions up to 8 GPa in a helium gas pressure cell and a diamond-anvil…

Superconductivity · Physics 2007-05-23 S. I. Schlachter , W. H. Fietz , K. Grube , W. Goldacker

We investigate the optical properties of hydrogen as it undergoes a transition from the insulating molecular to the metallic atomic phase, when heated by a pulsed laser at megabar pressures in a diamond anvil cell. Most current experiments…

Materials Science · Physics 2016-04-20 N. Van den Broeck , F. Brosens , J. Tempere , I. F. Silvera

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…

We describe an experimental platform that generates infrared images of micrometer-sized samples in the high pressure region of a diamond anvil cell. Using a 2.3 micron laser as a source of radiation, the system will be particularly useful…

Superconductivity · Physics 2021-11-24 Tarun Patel , A. Drozdov , V. S. Minkov , M. I. Eremets , E. J. Nicol , J. P. Carbotte , T. Timusk , A. W. Tsen

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…

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…

Double stage diamond anvil cells (DAC) of two designs have been assembled and tested. We used a standard symmetric DAC as a primary stage and CVD microanvils machined by a focused ion beam - as a second. We evaluated pressure, stress, and…

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

Uranium manganese germanide, UMn2Ge2, crystallizes in body-centered tetragonal ThCr2Si2 structure with space group I4/mmm, a = 3.993A and c = 10.809A under ambient conditions. Energy dispersive X-ray diffraction was used to study the…

Materials Science · Physics 2009-11-10 Vasudeva Siruguri , S. K. Paranjpe , P. Raj , A. Sathyamoorthy , Jean Paul Itie , Alain Polian

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
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