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Optical cell for combinatorial in situ Raman spectroscopic measurements of hydrogen storage materials at high pressures and temperatures
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10.1063/1.3558693
/content/aip/journal/rsi/82/3/10.1063/1.3558693
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/3/10.1063/1.3558693
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Cross sectional schematic view of in situ optical cell. A indicates the window assembly, B the assembled heating stage, C the threaded rod, D the mounted base, E the placement of the electrical feedthroughs, and F is the heating stage/electrical feedthrough assembly.

Image of FIG. 2.
FIG. 2.

Isometric views of Al single powder sample holder (a) and Mo high-throughput sample holder (b).

Image of FIG. 3.
FIG. 3.

Side view of the optical cell showing the sample stage and window region. G indicates the spring washers, H the top faceplate, I the two Au o-rings, J the sapphire window, K the copper gasket, L the heater's faceplate (with one set screw hole), M the Mo set screw, and N is the sample heater.

Image of FIG. 4.
FIG. 4.

Schematic representation of the experimental geometry.

Image of FIG. 5.
FIG. 5.

In situ Raman spectra of the Ca(BH4)2 as a function of temperature.

Image of FIG. 6.
FIG. 6.

Raman profile of an as-milled powder and a sample that has been desorbed until only the Li2Mg(NH)2 Raman modes are visible and then rehydrogenated at 423 K and 8 MPa. Both Li4BN3H10 and Mg(NH2)2 have reformed, and the ratio of their Raman mode intensities is comparable to their as-milled state. Reprinted with permission from J. R. Hattrick-Simpers, J. E. Maslar, M. U. Niemann, C. Chiu, S. S. Srinivasan, E. K. Stefanakos, and L. A. Bendersky, Int. J. Hydrogen Energy 35, 6323 (2010). Copyright 2010, Elsevier.

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/content/aip/journal/rsi/82/3/10.1063/1.3558693
2011-03-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical cell for combinatorial in situ Raman spectroscopic measurements of hydrogen storage materials at high pressures and temperatures
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/3/10.1063/1.3558693
10.1063/1.3558693
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