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Topic: Mossbauer spectroscopy

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Moessbauer

Mossbauer effect

Gamma_ray

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Spectroscopy

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Infrared spectroscopy

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Kinetic isotope effect

Linear motor

Electron spin resonance

Isotope

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	Mossbauer Spectroscopy (Site not responding. Last check: 2007-10-21)
		The Mossbauer gamma ray has a finite spread in energy, which is quantified by a linewidth, defined as the full width at half maximum intensity and related to the lifetime of the nuclear excited state.
		The ease with which the Mossbauer effect is observed for a praticular effect is observed for a particular isotope is strongly dependent on the value of this gamma-ray line width.
		In general, the mossbauer effect is optimised for low-energy gamma rays associated with nuclei strongly bound in a crystal lattice a low temperatures.
	www.physics.niu.edu /matsci/Mossbauer.htm (349 words)

	CHP - Mossbauer Spectroscopy (Site not responding. Last check: 2007-10-21)
		The Mossbauer effect is the recoil-free emission of gamma radiation from a solid radioactive material.
		The nuclear transitions are very sensitive to the local environment of the atom and Mossbauer spectroscopy is a sensitive probe of the different environments an atom occupies in a solid material.
		Schematic of an experimental set-up for transmission Mossbauer spectroscopy
	www.chem.vt.edu /chem-ed/spec/material/mossbaue.html (166 words)

	Kids.net.au - Encyclopedia Spectroscopy - (Site not responding. Last check: 2007-10-21)
		The recording and studying of spectrum of energy levels in atoms or molecules in the physical sciences[?] is called spectroscopy.
		Mossbauer spectroscopy - Measures the absorption of gamma-rays by atoms bound in a solid as a function of gamma-ray energy.
		Raman spectroscopy The study of spectra caused by the scattering and change in frequency of light due to the transition between vibrational/rotational energy levels in molecules.
	www.kids.net.au /encyclopedia-wiki/sp/Spectroscopy (323 words)

	Mossbauer spectroscopy - Wikipedia, the free encyclopedia
		Mössbauer spectroscopy is a spectroscopic technique based on the Mössbauer effect.
		In its most common form, Mössbauer Absorption Spectroscopy, a solid sample is exposed to a beam of gamma radiation, and a detector measures the intensity of the beam that is transmitted through the sample.
		The gamma-ray energy is varied by accelerating the gamma-ray source through a range of velocities with a linear motor.
	en.wikipedia.org /wiki/Mossbauer_spectroscopy (296 words)

	Recently published books by Monash staff
		Mossbauer Spectroscopy of Environmental Materials and their Industrial Utilization provides a description of the properties of materials formed on the earth's surface, their synthetic analogs where applicable, and the products of their modifications in the course of natural processes, such as weathering, or in industrial processing as reflected in their Mossbauer spectra.
		The first chapter covers the basic theory of the Mossbauer effect and Chapters 2 and 3 deal with the nuts and bolts of experimental Mossbauer spectroscopy.
		The book is directed to a broad audience ranging from graduate students in environmental sciences or chemical engineering with little or no expertise in Mossbauer spectroscopy to researchers from other disciplines who are familiar with this technique but wish to learn more about possible applications to environmental materials and issues.
	www.lib.monash.edu.au /collections/monash-authors/2004/1402077262.html (370 words)

	News Release (Site not responding. Last check: 2007-10-21)
		In physics, the Mossbauer effect is the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength.
		A spectroscope is an optical device for observing the spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, a prism, and a telescope through which the spectrum is viewed.
		Among the variations of the Mossbauer technique are Conversion Electron Mossbauer Spectroscopy (CEMS) and scattering of nuclear Bragg x-ray of synchrotron radiation.
	www.sunynassau.edu /collegerel/news/archives/01_03/011003.html (229 words)

	The Mossbauer Effect
		A case of particular interest is the recoil- free emission and resonant absorption of nuclear gamma rays in solids, which were discovered by Rudolf L.
		Mossbauer during his graduate work at Heidelberg in 1957.
		In 1958 Mossbauer published his PhD thesis discovery that a small fraction of nuclei held in a solid crystalline structure exhibit sharp-line absorption and emission spectra characteristic of no recoil.
	www.tau.ac.il /~lab3/MOSSBAUER/Mossbauer_2.html (614 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The energy lost to the recoil in this situation is negligible and the emitted photon may resonantly excite the absorber.
		Mössbauer spectroscopy is used primarily to study the electron structure of materials.
		This link between the Mössbauer spectrum and the electron structure of the sample can be exploited in the study of many types of materials.
	www.webres.com /mossbauer.html (351 words)

	Invited Presentation - Jon J. Spijkerman (Site not responding. Last check: 2007-10-21)
		The experiments show a nuclear decay scheme, the detection of radiation, at first sight a violation of the laws of conservation of energy and momentum, and the confirmation of Heisenberg's uncertainty principle.
		The interaction of the nucleus with the surrounding electron cloud through electric and magnetic forces results in the understanding of chemical bonding, valence states, and the properties of magnetic materials.
		This extends the applications of Mossbauer Spectroscopy to chemistry, metallurgy, mineralogy, and molecular biology.
	helios.augustana.edu /isaapt/s03/jon-spijkerman.html (94 words)

	Introduction to Mossbauer Spectroscopy: Part I
		Mössbauer spectroscopy is a versatile technique that can be used to provide information in many areas of science such as Physics, Chemistry, Biology and Metallurgy.
		Key to the success of the technique is the discovery of recoilless gamma ray emission and absorption, now referred to as the 'Mössbauer Effect', after its discoverer Rudolph Mössbauer, who first observed the effect in 1957 and received the Nobel Prize in Physics in 1961 for his work.
		This introduction to the theory and applications of Mössbauer spectroscopy is composed of four sections.
	chemistry.rsc.org /Membership/Networking/InterestGroups/MossbauerSpect/Intropart1.asp (936 words)

	Astromaterials Research & Exploration Science - People - Richard Morris
		RICHARD V. is a senior planetary scientist, director of the Mars Soil Genesis Project, and manager of the Spectroscopy and Magnetics Laboratory.
		The common element in his laboratory research and exploration activities is the mineralogical state and spatial distribution of iron on planetary surfaces and the implication thereof for the extent and style of planetary weathering processes.
		Dick's major research focus in the Project is the chemical and mineralogical composition of iron in analogue samples (particularly weathered, cruddy materials) whose terrestrial geologic context is known and the application of the analytical and contextual information to Mars as known through remote-sensing and in situ measurements.
	exploration.jsc.nasa.gov /People/morrisrichard.html (366 words)

	Physics fundamentals of Mossbauer spectroscopy (Site not responding. Last check: 2007-10-21)
		Result of studying of the course - knowledge of basic methods of registration, processing and analysis of Mossbauer spectra, skills in interpreting of Mossbauer spectra.
		The schemes of maternal nucleus decomposition and Mossbauer transition.
		The methods of processing and analysis of Mossbauer spectra - the increase of the resolution and effective noise suppression, model interpreter, restoration of a distribution function, modeling.
	genphys.phys.msu.su /eng/edu/Rusakov_e.php (198 words)

	Ultrafast dynamics after nuclear reactions
		By default, the time scale of the techniques is the lifetime of the excited nuclear level of the Mossbauer transition.
		Therefore the "Mossbauer window" is open from about 10^-8 s to about 10^-6 s and, accordingly, one can see directly only atomic changes that are neither faster nor slower than this range.
		In fact, by studying the magnetic field, temperature, carrier concentration, etc. dependence of the average population of the electronic states during the Mossbauer time window, one may be able to determine some parameters of much faster precursor electronic states including crystal field parameters.
	www.neutron.anl.gov /pipermail/neutron/2002/000599.html (459 words)

	PSIgate - Physical Sciences Information Gateway: Search/Browse Results (Site not responding. Last check: 2007-10-21)
		The Mossbauer Effect Data Center (MEDC) is a nonprofit organisation providing information services to the international scientific community in the field of Mossbauer spectroscopy.
		It briefly describes the Mossbauer effect, the fundamentals of Mossbauer spectroscopy and the applications of this technique.
		The methods are divided into two categories: techniques that are primarily used for determining elemental composition (Mossbauer spectroscopy, neutron-activation analysis (NAA), X-ray fluorescence (XRF)), and techniques that are primarily used for determining structure or phase purity (electron diffraction, neutron diffraction, powder X-ray diffraction, X-ray diffraction).
	www.psigate.ac.uk /roads/cgi-bin/psisearch.pl?term1=Mossbauer&subject=All&limit=0 (610 words)

	MS YGTU: Mossbauer Spectroscopy Groups around the World
		Laboratory of nuclear spectroscopy, Institute of Physics, University of Tartu
		RMKI Mossbauer laboratory, Hungarian Academy of Sciences, Budapest (in Hungarian)
		Moessbauer spectroscopy of minerals, Institute of Experimental Mineralogy RAS
	defects.physics.wsu.edu /Yaroslavl-list.html (514 words)

	Publisher description for Library of Congress control number 85030905 (Site not responding. Last check: 2007-10-21)
		This book provides an assessment of the unique contribution Mössbauer spectroscopy can make to the study of the bonding, structural, magnetic, dynamical and time-dependent properties of various systems.
		The editors and authors aim to give the reader an in-depth understanding of the technique of Mössbauer spectroscopy in terms of the types of information it can provide, together with an appreciation of how this information can be related to that obtained from complementary techniques.
		This book will be of value to postgraduate students and research workers with no previous knowledge of the technique, but also to those experienced in the use of Mössbauer spectroscopy in a particular area wishing to gain either a wider overview of the technique or information about its use in another area.
	www.loc.gov /catdir/description/cam023/85030905.html (201 words)

	BUBL LINK: Spectroscopy
		Includes chapters on spin physics, spectroscopy and pulse sequences, and provides explanatory graphics which can be viewed alongside the text, a glossary and a list of symbols.
		The objective of the Society for Applied Spectroscopy is to advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.
		The term spectroscopy as used here means the science and art of absorption, emission, Raman, mass, and related forms of spectral study for determining the composition and structure of matter.
	bubl.ac.uk /link/s/spectroscopy.htm (738 words)

	Introduction to Mössbauer Spectroscopy: Part 4
		This introduction has covered some of the basics of Mössbauer spectroscopy but there are still numerous further theoretical and practical aspects to the discipline.
		Mössbauer Spectroscopy and its Applications, T E Cranshaw, B W Dale, G O Longworth and C E Johnson, (Cambridge Univ. Press: Cambridge) 1985
		Mössbauer spectroscopy is a versatile technique that can be used to provide information in many areas of science.
	rsc.org /Membership/Networking/InterestGroups/MossbauerSpect/part4.asp (208 words)

	Publisher description for Library of Congress control number 85017511 (Site not responding. Last check: 2007-10-21)
		The technique of Mössbauer spectroscopy is important in the study of the bonding, structural, magnetic, nuclear and dynamical properties of various systems.
		Although used mainly by physicists and chemists, the method has also become a common means of investigation for materials scientists, geologists, biologists, surface scientists and others.
		It will be invaluable for anyone using the technique of Mössbauer spectroscopy for the first time.
	www.loc.gov /catdir/description/cam031/85017511.html (131 words)

	State Water Resources Research Institute Program (Site not responding. Last check: 2007-10-21)
		Speciation of Tributyltin and Triphenyltin Compounds in Clays from Sediments Using Mossbauer Spectroscopy
		Mossbauer spectroscopy, water pollution, sediments, clays, speciation, tripheyltin compounds, Tributyltin compounds
		Triorganotin compounds were used as antifoulants in marine paints of which tributyltin and triphenyltin compounds still contribute to the problem of water quality in the waterways of this area.
	water.usgs.gov /wrri/01grants/DC4061.html (228 words)

	The Laboratory of Mossbauer Spectroscopy and Radiochemical Methods
		General principles of nuclear gamma-resonance, hyperfine interactions and physical meaning of the main parameters of Mossbauer spectra.
		Mossbauer characterization of inorganic materials (structural and magnetic properties, particle size distribution control, surface phenomena).Various modes of Mossbauer spectroscopy (transmission, scattering, emission and electron conversion Mossbauer spectra).
		Sn probe Mossbauer spectroscopy of the electronic state, local structure and dynamic characteristics of tin dopant ions in mixed oxyhalogen enviroments.
	www.chem.msu.su /eng/lab/moss/moss1str.html (306 words)

	E15 - Research - Mossbauer Spectroscopy - Dissertation / Grosse
		Measurements were performed at 4.2 K as well as at variable temperatures ranging from 10 to 300 K. In the case of beta-Mn(Sn) solid solutions additionally Mössbauer spectra were measured at 4.2 K in an applied magnetic field.
		The investigation of epsilon-Mn(Sn) hydrides with hydrogen-to-metal ratios 0.8 < x < 1.0 by Mössbauer spectroscopy showed that these are magnetically ordered up to above 300 K and that there is a phase boundary between differently magnetically ordered states in the range 0.90 < x < 0.93.
		In both magnetic structures there are two magnetically inequivalent lattice sites, the multiplicities of which are 1:3 for x < 0.90 and 1:1 for x > 0.93.
	www.physik.tu-muenchen.de /lehrstuehle/E15b/documents/theses/grosse_doc.html.en (737 words)

	Table of contents for Library of Congress control number 85030905 (Site not responding. Last check: 2007-10-21)
		Mössbauer spectroscopy and the chemical bond R. Parish 3.
		Mössbauer spectroscopy of magnetic solids M. Thomas and C. Johnson 5.
		The dynamics of nuclei studied by Mössbauer spectroscopy E. Bauminger and I. Nowik References Index.
	www.loc.gov /catdir/toc/cam028/85030905.html (124 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		"Applications of the Mossbauer Effect in Chemistry and Solid State Physics," International Atomic Energy Agency: Vienna (1966).
		"Lectures on the Mossbauer Effect," J. Dannon, Gordon and Breach: New York (1968).
		"An Introduction to Mossbauer Spectroscopy," Leopold May, ed.
	www.nd.edu /~jglazier/Physics442/Propose_Experiment/Mossbauer_References.html (103 words)

	Mossbauer Spectroscopy Systems from Janis Research Company
		Janis has a number of proven designs available for Mössbauer spectroscopy.
		These systems have been integrated with Mössbauer spectrometers from Web Research with excellent results.
		Contact Janis today for details of how our systems can be integrated into your laboratory.
	www.janis.com /mossbauer.html (172 words)

	Trace elements in coal derived liquids: analysis by ICP-MS and Mossbauer spectroscopy (Site not responding. Last check: 2007-10-21)
		Trace elements in coal derived liquids: analysis by ICP-MS and Mossbauer spectroscopy
		Concentrations of trace elements in coal derived liquids have been investigated by inductively coupled plasma-mass spectrometry (ICP-MS) and by Mossbauer spectroscopy.
		Liquefaction extracts prepared from the Argonne Premium Coals and a coal tar pitch have been examined.
	www.anl.gov /PCS/bib/ref783.html (123 words)

	cmmp analytical facilities
		In addition, a large array of materials related instruments are located in other departments at ODU and at other organizations collaborating with the CMMP Research Group.
		Most materials investigated have commercial or industrial applications with the research centering on the improvement of present or development of new materials and the development of corrosion sensors.
		Five liquid helium cryostats are used for various experiments, mainly low temperature transmission Mossbauer spectroscopy.
	www.physics.odu.edu /cmmp/analysis.html (597 words)

	Mossbauer Spectroscopy Links
		Introduction to Mössbauer Spectroscopy at RSC Scientific Activities
		The Laboratory of Mössbauer Spectroscopy and Radiochemical Methods
		Taking a Mossbauer Measurement A really cool description
	web.mit.edu /speclab/www/moss_links.html (120 words)

	Find in a Library: Mineral chemistry and Mossbauer spectroscopy of micas from granitic rocks of the Canadian ...
		Find in a Library: Mineral chemistry and Mossbauer spectroscopy of micas from granitic rocks of the Canadian Appalachians
		Mineral chemistry and Mossbauer spectroscopy of micas from granitic rocks of the Canadian Appalachians
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	worldcatlibraries.org /wcpa/ow/81c5a479f6063473a19afeb4da09e526.html (81 words)

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