Academic literature on the topic 'High-pressure Techniques - Diamond Anvil Cell (DAC)'

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Journal articles on the topic "High-pressure Techniques - Diamond Anvil Cell (DAC)"

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Li, Bing, Cheng Ji, Wenge Yang, et al. "Diamond anvil cell behavior up to 4 Mbar." Proceedings of the National Academy of Sciences 115, no. 8 (2018): 1713–17. http://dx.doi.org/10.1073/pnas.1721425115.

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The diamond anvil cell (DAC) is considered one of the dominant devices to generate ultrahigh static pressure. The development of the DAC technique has enabled researchers to explore rich high-pressure science in the multimegabar pressure range. Here, we investigated the behavior of the DAC up to 400 GPa, which is the accepted pressure limit of a conventional DAC. By using a submicrometer synchrotron X-ray beam, double cuppings of the beveled diamond anvils were observed experimentally. Details of pressure loading, distribution, gasket-thickness variation, and diamond anvil deformation were stu
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Okuda, Yoshiyuki, Kenta Oka, Koutaro Hikosaka, and Kei Hirose. "Novel non-Joule heating technique: Externally laser-heated diamond anvil cell." Review of Scientific Instruments 94, no. 4 (2023): 043901. http://dx.doi.org/10.1063/5.0122111.

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The externally heated diamond anvil cell (EHDAC) conducts high pressure and temperature experiments with spatial uniformity and temporal stability. These are conventionally combined with various spectroscopies and x-ray diffraction measurements. EHDAC techniques perform Joule heating on a heater placed close to or directly in contact with diamond anvils. However, the electrical wiring and heater required for Joule heating complicate EHDAC setups, hindering easy access for the measurement of physical properties. This study proposes an EHDAC technique using laser- instead of Joule-heating. We su
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Amaya, K., K. Shimizu, and M. I. Eremets. "Search for Superconductivity under Ultra-high Pressure." International Journal of Modern Physics B 13, no. 29n31 (1999): 3623–25. http://dx.doi.org/10.1142/s0217979299003568.

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Techniques of producing ultra-high pressure at very low temperature and measuring method of electrical resistance and magnetization of samples confirmed in the used diamond anvil ceil (DAC) are shortly described. Experimental results on simple molecular systems such as iodine, sulfur, oxygen and organic iodanil are reviewed as typical example of pressure induced superconductivity.
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Katrusiak, Andrzej. "Lab in a DAC – high-pressure crystal chemistry in a diamond-anvil cell." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 75, no. 6 (2019): 918–26. http://dx.doi.org/10.1107/s2052520619013246.

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The diamond-anvil cell (DAC) was invented 60 years ago, ushering in a new era for material sciences, extending research into the dimension of pressure. Most structural determinations and chemical research have been conducted at ambient pressure, i.e. the atmospheric pressure on Earth. However, modern experimental techniques are capable of generating pressure and temperature higher than those at the centre of Earth. Such extreme conditions can be used for obtaining unprecedented chemical compounds, but, most importantly, all fundamental phenomena can be viewed and understood from a broader pers
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Dasenbrock-Gammon, Nathan, Raymond McBride, Gyeongjae Yoo, Sachith Dissanayake, and Ranga Dias. "Second harmonic AC calorimetry technique within a diamond anvil cell." Review of Scientific Instruments 93, no. 9 (2022): 093901. http://dx.doi.org/10.1063/5.0104705.

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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. The study of specific heat has long been used to characterize these kinds of transitions, but their application to the diamond anvil cell (DAC) environment has proved challenging. Limited work has been done on the measurement of specific heat within DACs, in part due to the difficult experimental setup. To this end, we have developed a novel metho
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SHIMIZU, KATSUYA. "PRESSURE-INDUCED SUPERCONDUCTIVITY IN SYMPLE METALS." International Journal of Modern Physics B 19, no. 01n03 (2005): 259–61. http://dx.doi.org/10.1142/s0217979205028360.

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Experimental results in search for pressure-induced superconductivity are reviewed. Typical examples are simple inorganic and organic molecular crystals, magnetic metals, and elements. We have developed complex extreme condition of very low temperature down to 30 mK and ultra high pressure exceeding 200 GPa by assembling compact diamond-anvil cell (DAC) on a powerful 3 He /4 He dilution refrigerator. Using the newly developed apparatus and techniques, we have studied superconductivity in various materials in various pressure range. In this paper, we will shortly review our newly developed expe
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Hofmeister, A. M. "Infrared Microspectroscopy in Earth and Planetary Science: Recent Developments, Including In Situ High-Pressure, High-Temperature Techniques." Microscopy and Microanalysis 3, S2 (1997): 857–58. http://dx.doi.org/10.1017/s143192760001117x.

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Vibrational spectroscopy is used in Earth science for both quantitative and qualitative analysis. This report focuses on infrared (IR) spectroscopy, although similar efforts are on-going in Raman spectroscopy.Qualitative studies utilize the fact that the vibrational spectrum is a characteristic of a material: hence comparison to a set of standards allows for identification of the phase. Most of these types of studies in Earth science involve macrosamples, but measurements of microsamples from meteorites are on interest in order to identify the structure of SiC inclusions and the type of organi
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Kudoh, Yasuhiro. "Introduction to DAC Techniques. Single Crystal X-ray Diffraction Technique at High Pressure Using Diamond Anvil Cell." REVIEW OF HIGH PRESSURE SCIENCE AND TECHNOLOGY 8, no. 1 (1998): 10–16. http://dx.doi.org/10.4131/jshpreview.8.10.

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Cheng, Ziwei, Jian Zhang, Lin Lin, et al. "Pressure-Induced Modulation of Tin Selenide Properties: A Review." Molecules 28, no. 24 (2023): 7971. http://dx.doi.org/10.3390/molecules28247971.

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Tin selenide (SnSe) holds great potential for abundant future applications, due to its exceptional properties and distinctive layered structure, which can be modified using a variety of techniques. One of the many tuning techniques is pressure manipulating using the diamond anvil cell (DAC), which is a very efficient in situ and reversible approach for modulating the structure and physical properties of SnSe. We briefly summarize the advantages and challenges of experimental study using DAC in this review, then introduce the recent progress and achievements of the pressure-induced structure an
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Hirose, Kei. "Deep Earth mineralogy revealed by ultrahigh-pressure experiments." Mineralogical Magazine 78, no. 2 (2014): 437–46. http://dx.doi.org/10.1180/minmag.2014.078.2.13.

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AbstractUltrahigh-pressure and -temperature (P-T) experimental techniques have progressed rapidly in recent years. By combining them with X-ray diffraction measurements at synchrotron radiation facilities, it is now possible to examine deep Earth mineralogy in situ at relevant high P-T conditions in a laser-heated diamond anvil cell (DAC). The lowermost part of the mantle, known as the D″ layer, has long been enigmatic because of a number of unexplained seismological features. Nevertheless, the discovery of a phase transition from MgSiO3 perovskite to ‘post-perovskite’ above 120 GPa and 2400 K
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Dissertations / Theses on the topic "High-pressure Techniques - Diamond Anvil Cell (DAC)"

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Hadjikhani, Ali. "Raman Spectroscopy Study of Graphene Under High Pressure." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/656.

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Due to its exceptional mechanical and electrical properties, graphene (one layer sheet of carbon atoms) has attracted a lot of attention since its discovery in 2004. The purpose of this research is to compare the Raman spectra of graphene with plasma treated graphene sheets which have been treated by changing the different parameters affecting the plasma treatment like gas flow, power and pressure and treatment time. The graphene we used for our high pressure studies are 4-5 layer CVD deposited graphene samples prepared by our collaborators in Dr. W. B. Choi’s group. First we report a Raman sp
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Begen, Burak. "INFLUENCE OF PRESSURE ON FAST DYNAMICS IN POLYMERS." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1195437587.

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Pal, Srishti. "Spectroscopic and Diffraction Signatures of Quantum Spin Liquids, Skyrmion Lattices and Transition Metal Dichalcogenides at Low Temperatures and High Pressures." Thesis, 2022. https://etd.iisc.ac.in/handle/2005/5727.

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This thesis presents experimental as well as theoretical studies on several contemporary systems like quantum spin liquids (QSLs), skyrmion lattices, and transition metal dichalcogenides (TMDs) under extreme conditions like low temperature (down to 4K) and ultra high pressures (up to 26 GPa). Temperature-dependent Raman studies are carried out to investigate Raman signatures of Kitaev quantum spin liquid (QSL) state of Cu2IrO3 and Ag3LiIr2O6 and orbital ordering in Heisenberg quantum magnet Ca10Cr7O28. High-pressure studies are performed on Kitaev QSL candidates -RuCl3, Cu2IrO3, kagomé
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Saouane, Sofiane. "Extending the Search Space for Novel Physical Forms of Pharmaceuticals and Biomolecules using High-Pressure Techniques." Doctoral thesis, 2015. http://hdl.handle.net/11858/00-1735-0000-0028-878A-D.

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Gawraczyński, Jakub. "Optical spectroscopy of selected divalent silver compounds." Doctoral thesis, 2019. https://depotuw.ceon.pl/handle/item/3382.

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Niniejsza rozprawa doktorska opisuje badania związków srebra wykonane metodami spektroskopowymi. Główny nacisk został położony na związki srebra dwuwartościowego: fluorek srebra(II) AgF2, siarczan(VI) srebra(II) wraz ze swoim monohydratem, tetrafluoroboran fluorosrebra(II) (AgF)BF4, fluorosrebrzan(II) cezu CsAgF3, rubidu RbAgF3, oraz wysokotemperaturowa forma fluorosrebrzanu(II) potasu, HT-KAgF3 Ponadto zbadane zostały inne związki srebra: fluorek srebra(I) oraz tlenek srebra(I,III) AgO. Wszystkie związki zostały zbadane za pomocą spektroskopii fourierowskiej w zakresie dalekiej podczerwieni.
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Book chapters on the topic "High-pressure Techniques - Diamond Anvil Cell (DAC)"

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Dunstan, D. J. "Experimental Techniques in the Diamond Anvil Cell." In High Pressure Molecular Science. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4669-2_5.

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Halevy, Itzhak, Shlomo Haroush, Yosef Eisen, et al. "Crystallographic and magnetic structure of HAVAR under high-pressure using diamond anvil cell (DAC)." In HFI / NQI 2010. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-94-007-1269-0_25.

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Besson, J. M. "Pressure generation." In High-pressure Techniques in Chemistry and Physics. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198558118.003.0001.

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Abstract The instruments and methods which have been used for the generation of high pressures are probably more diverse than those in any other field of instrumentation. Since the high-pressure field has long been considered as a closed domain, devoted to the study of matter under extreme or exotic conditions, it has frequently progressed under the impulse of highly dedicated individuals, or schools of thought, who drove to its ultimate limits one given technology or one given concept and more or less ignored alternative solutions. Thus, high-pressure technology seems to have evolved in the p
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Eremets, M. I. "Anvils." In High Pressure Experimental Methods. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198562696.003.0001.

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Abstract Maximal static pressures have now been achieved with the diamond anvil cell (DAC). From the mechanical point of view it is a Bridgman anvil cell, Fig. 1.1, made of the strongest material: diamond. There is also a broad class of apparatus based on the same principle. The Bridgman anvil cell itself is traditionally made of tungsten carbide and works up to 20 GP a (Yoneda et al. 1984).
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Eremets, M. I. "Large-Volume Anvils." In High Pressure Experimental Methods. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198562696.003.0002.

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Abstract After consideration of the anvil system in general, we deal with particular anvil apparatus. Nowadays the diamond cell has become the most popular anvil apparatus. It will be considered separately (Chapter 3) and the rest of this book is devoted to a large extent to different applications of a DAC. However, a DAC has a significant drawback - a very small working volume. In this chapter, the anvil apparatus having a working volume orders of magnitude larger than for a DAC is considered. Complicated and cumbersome apparatus such as multianvil presses or ‘belt’ are not considered, becaus
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Besson, J. M. "Techniques for the study of physical properties." In High-pressure Techniques in Chemistry and Physics. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198558118.003.0003.

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Abstract Electrical measurements are among the most ancient methods used to characterize samples at high pressures. Indeed, before the advent of diamond-anvil cells (DACs), they were the most often used characterization methods in belt-type or multianvil devices at pressures above 2 GPa for the detection of solid-solid phase transitions—upon which the so-called fixedpoint pressure scale was based (see Section 2.2 in Chapter 2).
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Conference papers on the topic "High-pressure Techniques - Diamond Anvil Cell (DAC)"

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Nakamura, Yuichi, Masanori Shimaoka, Yutaka Ishibashi, and Masahito Matsui. "Plastic Deformations of Micro-Spheres by Solidified Lubricants and Lubricants’ Shear Stress Under Very High Pressure." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63099.

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In order to grasp the possibility of evaluating shear properties for solidified lubricants under high pressure, plastic deformations of metal micro-spheres (about 0.07mm) in solidified lubricants were evaluated by employing a diamond-anvil pressure cell (DAC). Large deformations (2–5 times larger than the original sphere dimensions) were observed for CVT oil and ester oil up to 6 GPa at 23–25°C. Deformation starting pressure agreed with the solidified pressure. These deformations were caused by the non-hydrostatic pressure in the solidified lubricants. Shear stresses of the solidified lubrican
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