Keywords:
Explosives.
;
Electronic books.
Description / Table of Contents:
Nominated for a Springer prize, this thesis explores the effects of extreme conditions on energetic materials and characterises new polymorphs obtained at high pressures and/or temperatures. It includes a superb analysis of future research opportunities.
Type of Medium:
Online Resource
Pages:
1 online resource (231 pages)
Edition:
1st ed.
ISBN:
9783642231322
Series Statement:
Springer Theses Series
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=885218
DDC:
548.3
Language:
English
Note:
Intro -- Energetic Materials at Extreme Conditions -- Supervisor's Foreword -- Acknowledgements -- Contents -- 1 Introduction -- 1.1…Energetic Materials -- 1.1.1 Definition -- 1.1.2 Classification -- 1.1.3 Energetic Performance -- 1.2…Polymorphism -- 1.2.1 Definition -- 1.2.2 Implications of Polymorphism -- 1.2.2.1 Materials Science -- 1.2.2.2 Food Science -- 1.2.2.3 Pharmaceuticals -- 1.2.2.4 Energetic Materials -- 1.3…High Pressure -- 1.3.1 General Concept -- 1.3.2 Previous High-Pressure Research -- 1.3.2.1 Simple Elements and Their Exotic Structures -- 1.3.2.2 Molecular Systems -- 1.3.2.3 Biotechnology -- 1.3.2.4 Food Science -- 1.3.2.5 Pharmaceuticals -- 1.3.2.6 Energetic Materials -- 1.4…General Aims and Outline of Research -- References -- 2 Experimental Techniques -- 2.1…Complementarity of High-Pressure Techniques -- 2.2…The Merrill-Bassett Diamond-Anvil Cell -- 2.2.1 DAC Components -- 2.2.2 Pressure Measurement -- 2.2.3 Sample Loading -- 2.3…Experimental Techniques Using the Diamond-Anvil Cell -- 2.3.1 X-Ray Single-Crystal Diffraction -- 2.3.2 High-Pressure Single-Crystal X-Ray Diffraction -- 2.3.3 X-Ray Powder Diffraction -- 2.3.4 High-Pressure X-Ray Powder Diffraction -- 2.3.5 X-Ray Sources: Laboratory Versus Synchrotron -- 2.3.6 Raman Spectroscopy -- 2.4…The Paris-Edinburgh Cell -- 2.4.1 Construction of the Paris-Edinburgh Cell -- 2.4.2 Variable-Temperature Insert for the Paris-Edinburgh Cell -- 2.4.3 Pressure Measurement -- 2.5…Experimental Techniques Using the Paris-Edinburgh Cell -- 2.5.1 Neutron Powder Diffraction -- 2.5.2 Neutron Sources -- 2.6…Equations of State -- References -- 3 Structural Studies of RDX -- 3.1…Introduction -- 3.2…Polymorphism of RDX -- 3.3…Aims -- 3.4…Experimental -- 3.4.1 Materials -- 3.4.2 High-Pressure Neutron Powder Diffraction -- 3.4.3 Ambient-Pressure Single-Crystal X-Ray Diffraction.
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3.4.4 High-Pressure Single-Crystal X-Ray Diffraction -- 3.4.5 High-Pressure X-Ray Powder Diffraction -- 3.4.6 DFT-MD Calculations -- 3.5…Results and Discussion -- 3.5.1 beta -RDX: A Highly Metastable Polymorph at Ambient Conditions -- 3.5.2 Investigation of the High-Pressure/High-Temperature Form of RDX -- 3.5.3 delta -RDX: The Very-High-Pressure Form of RDX -- 3.6…Conclusions -- 3.7…Suggestions for Further Work -- References -- 4 High-Pressure Structural Studies of CL-20 -- 4.1…Introduction -- 4.2…Polymorphism of CL-20 -- 4.2.1 Ambient-Pressure Studies -- 4.2.2 High-Pressure Studies -- 4.2.2.1 epsilon -CL-20 -- 4.2.2.2 gamma -CL-20 -- 4.3…Aims -- 4.4…Experimental -- 4.4.1 Materials -- 4.4.2 High-Pressure X-Ray Powder Diffraction -- 4.4.3 High-Pressure Neutron Powder Diffraction -- 4.4.4 High-Pressure Single-Crystal X-Ray Diffraction -- 4.4.5 Ambient-Pressure Single-Crystal X-Ray Diffraction -- 4.5…Results and Discussion -- 4.5.1 Compression of epsilon -CL-20 -- 4.5.2 Compression of gamma -CL-20 -- 4.5.2.1 Compression in Fluorinert FC-77 -- 4.5.2.2 Compression in Methanol:Ethanol -- 4.6…Conclusions -- 4.7…Suggestions for Further Work -- References -- 5 Structural Investigation of a Series of Inorganic Azides -- 5.1…General Introduction to Inorganic Azides -- 5.1.1 Azides as Energetic Materials -- 5.1.2 Structural Considerations -- 5.1.3 Structure and Sensitivity -- 5.2…Polymorphism of the 'Simple' Inorganic Azides -- 5.2.1 NaN3 -- 5.2.2 CsN3 -- 5.2.3 TlN3 -- 5.2.4 A Note on Nomenclature -- 5.3…Aims -- 5.4…Experimental -- 5.4.1 Materials -- 5.4.2 High-Pressure Neutron Powder Diffraction -- 5.4.3 High-Pressure/High-Temperature Neutron Powder Diffraction -- 5.4.4 High-Pressure X-Ray Powder Diffraction -- 5.4.5 Ambient Pressure X-Ray Powder Diffraction -- 5.5…Results and Discussion -- 5.5.1 NaN3.
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5.5.1.1 High-Pressure, Ambient-Temperature Neutron Diffraction Study -- 5.5.1.2 High-Pressure, High-Temperature Study -- 5.5.1.3 Summary: NaN3 -- 5.5.2 CsN3 -- 5.5.2.1 High-Pressure Neutron Powder Diffraction Study -- 5.5.2.2 High-Pressure X-ray Powder Diffraction Study -- 5.5.2.3 Summary: CsN3 -- 5.5.3 TlN3 -- 5.5.3.1 High-Pressure Neutron Diffraction Study -- 5.5.3.2 Ambient-Pressure, Low-Temperature X-ray Diffraction Study -- 5.5.3.3 Ambient-Pressure, High-Temperature Study -- 5.5.3.4 Summary: TlN3 -- 5.6…Summary and Conclusions -- 5.7…Suggestions for Further Work -- References -- 6 Structural Investigation of a Series of Inorganic Azides -- 6.1…Polymorphism of the 'More Complex' Inorganic Azides -- 6.1.1 NH4N3 -- 6.1.2 AgN3 -- 6.1.3 Pb(N3)2 -- 6.2…Aims -- 6.3…Experimental -- 6.3.1 Materials -- 6.3.2 High-Pressure Neutron Powder Diffraction -- 6.4…Results and Discussion -- 6.4.1 NH4N3 -- 6.4.1.1 High-Pressure Neutron Diffraction Study of ND4N3 -- 6.4.1.2 Summary: ND4N3 -- 6.4.2 AgN3 -- 6.4.2.1 Summary: AgN3 -- 6.4.3 Pb(N3)2 -- 6.4.3.1 Summary: Pb(N3)2 -- 6.5…Summary and Conclusions -- 6.6…Suggestions for Further Work -- References -- 7 General Remarks -- Appendix -- A.1 Crystallographic Information -- A.2 Quality of Fit: Equations of State.
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