The Preparation and Properties of Tase2 Single Crystal
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Synthesis Characterisation and Properties of Tantalum Based
Dunnill, Charles W. H. (2008) Synthesis, characterisation and properties of tantalum based inorganic nanofibres. PhD thesis. http://theses.gla.ac.uk/173/ Copyright and moral rights for this thesis are retained by the author A copy can be downloaded for personal non-commercial research or study, without prior permission or charge This thesis cannot be reproduced or quoted extensively from without first obtaining permission in writing from the Author The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the Author When referring to this work, full bibliographic details including the author, title, awarding institution and date of the thesis must be given Glasgow Theses Service http://theses.gla.ac.uk/ [email protected] SYNTHESIS, CHARACTERISATION AND PROPERTIES OF TANTALUM BASED INORGANIC NANOFIBRES A thesis submitted to the University of Glasgow for the degree of Doctor of Philosophy By Charles W. H. Dunnill MSci School of Chemistry University of Glasgow December 2007 © Charles W. H. Dunnill. December 2007 Abstract This thesis describes the synthesis and characterisation of 1-dimensional nanometric phases using simple preparative reactions and a variety of characterisation methods. Comparison of properties between the bulk and nanomorphology has played a large part and is a common theme throughout. High aspect ratio tantalum disulfide, TaS 2 nanofibres were prepared from a 1:2 stoichiometric mixture of elemental powders in a one-step synthesis utilising silica ampoules. A surface assisted growth phenomena was investigated and found to significantly increase the yield, both in quality and quantity. The resulting nanofibres were seen to retain and indeed enhance some of the bulk properties, e.g. -
. with Respect To
NATIONAL AERONAUTICS AND SPACE -ADMINISTRATION WASHINGTON.D.C. 20546 REPLY TO November 6, 1970 ATTN OF: Gp ~~~/~cientific & Technical Inf onnation Division Attentions Miss Winnie MI Mozgan FROM r office of Assi~taptGeneral Counsel for Patent Matters * SUBJECT: Announcement of NASA-Owned U. S. Patents in STAR In accordance with the procedures agreed upon by Code GP and Code USI, the attached NASA-owned U. S. Patent is being forwarded for abstracting and announcement in NASA STAR. The following information is provided8 Government or Corporate Employee Supplementary Corporate Source (if applicable) r HA NASA Patent Case No. NOTE - If this patent covers an invention made by a corporate employee of a NASA Contractor, the following is applicable: yes C] NO @I - Pursuant to Section 305(a) of the National Aeronautics and Space Act, the name. of the Administr.ator of NASA appears on the first page of the patent; however, the name of the actual inventor (author) appears at the heading of Column No. 1 of '_the Specification, following the,words . with respect to ~nclosure Copy of Patent aited above I u.0 (CODE! t I L-1 - - I 2 (NASA CR OR TMX OR AD NUMBER) (CATEGORY) I Y i March 17, 1970 D. G. GLENN RlETWBD OF LidDRIGATING ROLLSING ELEMENT BEARINGS Filed Nov. 28, 2.967 INNER RACE METAL BEARING OUTER RACE RETAINER ROLLING ELEMENTS HYDROGEN ACETONE HEAT FURNACE: CLEAN & APPLY LUBRICANT ASSEMBLE COMPONENTS ROTATE BEARING REASSEMBLE iisdVEltBT(aR BEAN C.GLENN ATTORNEYS 3,500,525 United States Patent O6s.e Patented Mare 1970 1 2 DESCKIP1 ION OF THE PREFERRED 3,500,525 EMBODIMENT METHOD OF LUBRICATING ROLLING ELEMENT BEARINGS A bearing made in accordance with the invention has Dean C. -
University of London Thesis
2809658381 REFERENCE ONLY UNIVERSITY OF LONDON THESIS Degree PU> Year 2,0 Name of Author Q ^ y Ni I C Q as COPYRIGHT This is a thesisaccepted for Highera Degree of the University of London. It is an unpublished typescript and the copyright is held by the author. All persons consulting this thesis must read and abide by the Copyright Declaration below. COPYRIGHT DECLARATION I recognise that the copyright of the above-described thesis rests with the author and that no quotation from it or information derived from it may be published without the prior written consent of the author. LOANS Theses may not be lent to individuals, but the Senate House Library may lend a copy to approved libraries within the United Kingdom, for consultation solely on the premises of those libraries. Application should be made to: Inter-Library Loans, Senate House Library, Senate House, Malet Street, London WC1E 7HU. REPRODUCTION University of London theses may not be reproduced without explicit written permission from the Senate House Library. Enquiries should be addressed to the Theses Section of the Library. Regulations concerning reproduction vary according to the date of acceptance of the thesis and are listed below as guidelines. A. Before 1962. Permission granted only upon the prior written consent of the author. (The Senate House Library will provide addresses where possible). B. 1962-1974. In many cases the author has agreed to permit copying upon completion of a Copyright Declaration. C. 1975-1988. Most theses may be copied upon completion of a Copyright Declaration. D. 1989 onwards. Most theses may be copied. -
Creating Value from Non-Carbon 2D Materials
Creating Value from Non-carbon 2D Materials - Beyond Graphene A state of the art review Contact Graphene and Other 2D Materials SIG www.ktn-uk.co.uk/interests/graphene-and-other-2d-materials Table of contents Executive Summary 5 Glossary of Non-Carbon 2D Materials 7 1. Introduction 8 2. Family of Non-Carbon 2D Materials 11 3. Synthesis and Production of Non-Carbon 2D Materials 15 4. The Innovation Landscape for Non-Carbon 2D Materials 19 5. Strategic Insights for the UK 35 6. Conclusions 42 7. Priorities and Recommendations 43 Acknowledgements 44 References 45 Appendix 1: Examples of R&D and Innovations 46 Appendix 2: Patent Analysis 48 3 4 Martin Good / Shutterstock.com Executive Summary The ability to isolate or grow two-dimensional with specially designed electrical, magnetic, (2D) materials has been a source of scientific piezoelectric and optical functionalities. fascination ever since it was shown to be possible, Research in non-carbon 2D materials has with the isolation of graphene from graphite, benefited from the earlier investments in in 2004 at the University of Manchester. The developing graphene. They can be manufactured increasing range of 2D materials extends far in a similar way and can be combined with beyond graphene and its carbon analogues. It is graphene to address its lack of band gap. Band believed that over five hundred 2D materials have gap is a property that makes silicon and other been developed globally so far. These materials semiconductors so useful for digital electronics. exhibit an exciting range of novel properties, 2D semiconducting materials are likely to become opening the door to a multitude of new potential an attractive choice for constructing digital applications. -
(2-8-0 ?Ea-01-Ke 3,574,658 United States Patent Office Patented Apr
April 13, 1971 M. M. FULK ETAL 3,574,658 DRY-LUBRICATED SURFACE AND METHOD OF PRODUCING SUCH SURFACES Filed Dec. 22, 1967 INVENTOR. MARION M. FULK By JOHN E. SCHRODT (2-8-0 ?ea-01-ke 3,574,658 United States Patent Office Patented Apr. 13, 1971 2 In general, the binder-secured dry lubricant is a step 3,574,658 DRY.LUBRICATED SURFACE AND METHOD OF in the right direction, but is a complicated treatment with PRODUCING SUCH SURFACES many shortcomings. Marion M. Fulk, Livermore, Calif., and John E. Schrodt, It is an object of the instant invention to provide dry Boulder, Colo., assignors to Bal Brothers Research lubricated bearing surfaces which are operable over very Corporation, Boulder, Colo. broad temperature ranges. Filed Dec. 22, 1967, Ser. No. 694,028 Another object of the instant invention is to provide int. CI. B05b 17/00, B24c I/10 a process by which dry lubricants may be applied in a U.S. C. 117-8 16 Claims superior manner to standard size, off-the-shelf parts. O Still another object of the instant invention is to pro vide a process for applying dry lubricants to surfaces of ABSTRACT OF THE DISCLOSURE virtually all configurations or geometry. Dry lubricant such as molybdenum disulfide is applied Yet still another object of the instant invention is to to a solid surface by interposing the lubricant between the provide a dry-lubricated surface having a low coefficient surface and a force generating means such as a peening 15 of friction and rate of wear which is not subject to particle particle, preferably by applying the lubricant initially to flaking.