The EOS of α-NTO through high-pressure microscopy-interferometry measurements

Elissaios Stavrou; Joseph M. Zaug; Sorin Bastea; Jonathan C. Crowhurst; Harry B. Radousky; Michael R. Armstrong

doi:10.1063/1.4971543

The EOS of α-NTO through high-pressure microscopy-interferometry measurements

Elissaios Stavrou, Joseph M. Zaug, Sorin Bastea, Jonathan C. Crowhurst, Harry B. Radousky, Michael R. Armstrong

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Measuring the volume of a material compressed quasi-statically to a high-pressure typically involves the determination of a primitive crystal cell volume using x-ray diffraction (XRD) techniques. The accumulation of pressure dependent volumes leads to an understanding of the material's equation of state, (EOS); however, in the case of low-symmetry (e.g. triclinic) materials with twining features, and large primitive cells, conventional XRD approaches can be technically problematic and lead to ambiguous or mathematically under-determined lattice constants. To resolve this long-standing issue, we examined the utility of a "direct" approach toward determining a material's volume by measuring surface area and sample height using optical microscopy and interferometry respectively. To test the validity of our proposed approach, we first compared our results from pressurized Triamino-Trinitrobenzene (TATB, SG P-1) with a published EOS determined by synchrotron XRD measurements of Stevens et al. A near-perfect match between the two sets of V(P, 300K) data is observed; and thus, we proceeded to determine the EOS of the energetic material 5-nitro-2,4-dihydro-1,2,4,-triazol-3-one (α-NTO), which under ambient conditions crystallizes as a fourcomponent twinned system with a triclinic symmetry (SG P-1). No high-pressure XRD EOS data have been published on α-NTO, probably due to its unambiguously complex crystal structure. The results of this study reveal that our proposed approach applied to quasi-statically compressed anisotropic materials is a reliable alternative toward determining material EOSs,-especially when conventional methodologies are not feasible.

Original language	English
Title of host publication	Shock Compression of Condensed Matter - 2015
Subtitle of host publication	Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter
Editors	Ramon Ravelo, Thomas Sewell, Ricky Chau, Timothy Germann, Ivan I. Oleynik, Suhithi Peiris
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735414570
DOIs	https://doi.org/10.1063/1.4971543
State	Published - 13 Jan 2017
Externally published	Yes
Event	19th Biennial American Physical Society Conference on Shock Compression of Condensed Matter, SCCM 2015 - Tampa, United States Duration: 14 Jun 2015 → 19 Jun 2015

Publication series

Name	AIP Conference Proceedings
Volume	1793
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	19th Biennial American Physical Society Conference on Shock Compression of Condensed Matter, SCCM 2015
Country/Territory	United States
City	Tampa
Period	14/06/15 → 19/06/15

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10.1063/1.4971543

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Stavrou, E., Zaug, J. M., Bastea, S., Crowhurst, J. C., Radousky, H. B., & Armstrong, M. R. (2017). The EOS of α-NTO through high-pressure microscopy-interferometry measurements. In R. Ravelo, T. Sewell, R. Chau, T. Germann, I. I. Oleynik, & S. Peiris (Eds.), Shock Compression of Condensed Matter - 2015: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter Article 050009 (AIP Conference Proceedings; Vol. 1793). American Institute of Physics Inc.. https://doi.org/10.1063/1.4971543

Stavrou, Elissaios ; Zaug, Joseph M. ; Bastea, Sorin et al. / The EOS of α-NTO through high-pressure microscopy-interferometry measurements. Shock Compression of Condensed Matter - 2015: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. editor / Ramon Ravelo ; Thomas Sewell ; Ricky Chau ; Timothy Germann ; Ivan I. Oleynik ; Suhithi Peiris. American Institute of Physics Inc., 2017. (AIP Conference Proceedings).

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title = "The EOS of α-NTO through high-pressure microscopy-interferometry measurements",

abstract = "Measuring the volume of a material compressed quasi-statically to a high-pressure typically involves the determination of a primitive crystal cell volume using x-ray diffraction (XRD) techniques. The accumulation of pressure dependent volumes leads to an understanding of the material's equation of state, (EOS); however, in the case of low-symmetry (e.g. triclinic) materials with twining features, and large primitive cells, conventional XRD approaches can be technically problematic and lead to ambiguous or mathematically under-determined lattice constants. To resolve this long-standing issue, we examined the utility of a {"}direct{"} approach toward determining a material's volume by measuring surface area and sample height using optical microscopy and interferometry respectively. To test the validity of our proposed approach, we first compared our results from pressurized Triamino-Trinitrobenzene (TATB, SG P-1) with a published EOS determined by synchrotron XRD measurements of Stevens et al. A near-perfect match between the two sets of V(P, 300K) data is observed; and thus, we proceeded to determine the EOS of the energetic material 5-nitro-2,4-dihydro-1,2,4,-triazol-3-one (α-NTO), which under ambient conditions crystallizes as a fourcomponent twinned system with a triclinic symmetry (SG P-1). No high-pressure XRD EOS data have been published on α-NTO, probably due to its unambiguously complex crystal structure. The results of this study reveal that our proposed approach applied to quasi-statically compressed anisotropic materials is a reliable alternative toward determining material EOSs,-especially when conventional methodologies are not feasible.",

author = "Elissaios Stavrou and Zaug, {Joseph M.} and Sorin Bastea and Crowhurst, {Jonathan C.} and Radousky, {Harry B.} and Armstrong, {Michael R.}",

year = "2017",

month = jan,

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doi = "10.1063/1.4971543",

language = "英语",

series = "AIP Conference Proceedings",

publisher = "American Institute of Physics Inc.",

editor = "Ramon Ravelo and Thomas Sewell and Ricky Chau and Timothy Germann and Oleynik, {Ivan I.} and Suhithi Peiris",

booktitle = "Shock Compression of Condensed Matter - 2015",

note = "19th Biennial American Physical Society Conference on Shock Compression of Condensed Matter, SCCM 2015 ; Conference date: 14-06-2015 Through 19-06-2015",

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Stavrou, E, Zaug, JM, Bastea, S, Crowhurst, JC, Radousky, HB & Armstrong, MR 2017, The EOS of α-NTO through high-pressure microscopy-interferometry measurements. in R Ravelo, T Sewell, R Chau, T Germann, II Oleynik & S Peiris (eds), Shock Compression of Condensed Matter - 2015: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter., 050009, AIP Conference Proceedings, vol. 1793, American Institute of Physics Inc., 19th Biennial American Physical Society Conference on Shock Compression of Condensed Matter, SCCM 2015, Tampa, United States, 14/06/15. https://doi.org/10.1063/1.4971543

The EOS of α-NTO through high-pressure microscopy-interferometry measurements. / Stavrou, Elissaios; Zaug, Joseph M.; Bastea, Sorin et al.
Shock Compression of Condensed Matter - 2015: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. ed. / Ramon Ravelo; Thomas Sewell; Ricky Chau; Timothy Germann; Ivan I. Oleynik; Suhithi Peiris. American Institute of Physics Inc., 2017. 050009 (AIP Conference Proceedings; Vol. 1793).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Measuring the volume of a material compressed quasi-statically to a high-pressure typically involves the determination of a primitive crystal cell volume using x-ray diffraction (XRD) techniques. The accumulation of pressure dependent volumes leads to an understanding of the material's equation of state, (EOS); however, in the case of low-symmetry (e.g. triclinic) materials with twining features, and large primitive cells, conventional XRD approaches can be technically problematic and lead to ambiguous or mathematically under-determined lattice constants. To resolve this long-standing issue, we examined the utility of a "direct" approach toward determining a material's volume by measuring surface area and sample height using optical microscopy and interferometry respectively. To test the validity of our proposed approach, we first compared our results from pressurized Triamino-Trinitrobenzene (TATB, SG P-1) with a published EOS determined by synchrotron XRD measurements of Stevens et al. A near-perfect match between the two sets of V(P, 300K) data is observed; and thus, we proceeded to determine the EOS of the energetic material 5-nitro-2,4-dihydro-1,2,4,-triazol-3-one (α-NTO), which under ambient conditions crystallizes as a fourcomponent twinned system with a triclinic symmetry (SG P-1). No high-pressure XRD EOS data have been published on α-NTO, probably due to its unambiguously complex crystal structure. The results of this study reveal that our proposed approach applied to quasi-statically compressed anisotropic materials is a reliable alternative toward determining material EOSs,-especially when conventional methodologies are not feasible.

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Stavrou E, Zaug JM, Bastea S, Crowhurst JC, Radousky HB, Armstrong MR. The EOS of α-NTO through high-pressure microscopy-interferometry measurements. In Ravelo R, Sewell T, Chau R, Germann T, Oleynik II, Peiris S, editors, Shock Compression of Condensed Matter - 2015: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. American Institute of Physics Inc. 2017. 050009. (AIP Conference Proceedings). doi: 10.1063/1.4971543

The EOS of α-NTO through high-pressure microscopy-interferometry measurements

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