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Article
Mössbauer study of the thermal decomposition of co-precipitated Fe/NH4/2/SO4/2.6H2O and Ni/NH4/2/SO4/2.6H2O
Using Mössbauer spectroscopy, the thermal decomposition products of co-precipitated Fe/NH4/2/SO4/2.6H2O and Ni/NH4/2/SO4/2.6H2O for two hours at various temperatures in open air have been studied and identified. ...
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Article
Extracorporeal shock wave lithotripsy of stones in the ureter
In the present paper we report on one-year experience with the application of extracorporeal shock wave lithotripsy (ESWL) in 157 patients with stones in the ureter 63 of which were in the pyeloureteral segmen...
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Article
Mössbauer study of thermal magnetic transitions in Cu0.5Zn0.5Fe2O4
The dependence of the Mössbauer spectra of the ferrite Cu0.5Zn0.5Fe2O4 on the temperature is investigated. The profiles of the hyperfine magnetic fields distributionP(H) are obtained from the spectra by a decompo...
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Article
On the advantages and validity of the method of decomposition of Mössbauer spectra from amorphous and disordered magnetic materials
A method for decomposition of Mössbauer spectra of amorphous and disordered magnetic materials is tested. Its algorithm is discussed as well as the adaptation of the method for processing of more complex spect...
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Article
On the hyperfine magnetic field distribution at118Sn in spinel ferrites
The distributionP(H) of the hyperfine magnetic fieldsH at the119Sn nucleus in spinel ferrites can be reliably obtained by means of the decomposition method [10] adapted for this case. To interpretP(H), a polynomi...
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Article
The thermal decomposition mechanism of iron(III) hydroxide carbonate to α-Fe2O3
The thermal decomposition mechanism of iron(III) hydroxide carbonate prepared through hydrolysis and oxidation of FeCO3 is studied under both static and dynamic conditions. It is established that the precursor is...
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Article
119Sn Mössbauer study of the cation distributions in some Ga x Sn y Fe3−x−y O4 spinels
Conventional and resonance scintillation technique is used to study some Ga x Sn y Fe3−x−y O4 spinels. The better resolution of the Mössbauer sp...
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Chapter and Conference Paper
Lasing Characteristics of a 1.644 μm Er3+:YAG Monolith Pumped at 647 nm, 787 nm and 964nm
For several applications, for example in the optical communication the eyesafety of lasers is important. The lasing wavelength of the Er:YAG at 1.644 μm meets the eyesafe region beyond 1.45 μm.
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Chapter and Conference Paper
Fiber Coupled Diode Pumped Er:YSGG-Laser at 2.8 μm
The laser transition at 2.8 μm in Erbium-doped laser crystals is very important for medical applications due to the strong absorption of this radiation by the water contained in any biological tissue. This all...
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Chapter and Conference Paper
Diode Pumped Single Frequency Erbium Lasers at 1.55 μm and 1.64 μm
Eye safe erbium lasers are very important for different applications in optical communication and lidar techniques, e.g. due to their coincidence with the attenuation minimum of glass fibers at 1.55um (Er:Yb:G...
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Article
Mössbauer study of surface films on steels formed in phosphate environments under stress-corrosion cracking conditions
A study on the composition of the surface films and corrosion products of mild and low-alloy (2% Cr) steels in 1M NaH2PO4 under stress-corrosion cracking (SCC) conditions has been carried out using Mössbauer spec...
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Article
Imaging surface spectroscopy for two- and three-dimensional characterization of materials
Secondary ion mass spectrometry (SIMS) exhibits a unique potential for the measurement of two-and three-dimensional distributions of trace elements in advanced materials, which is demonstrated on relevant tech...
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Chapter and Conference Paper
Detailed Mössbauer study of the cation distribution in CoFe2O4 ferrites
Partially inverted (Co0.185Fe0.815)[Co0.815Fe1.185]O4 spinel submicron particles with spherical shape are studied at low temperature by Mössbauer spectroscopy. Canted magnetic structures are evidenced. The hyperf...
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Article
Detailed Mössbauer study of the cation distribution in CoFe2O4 ferrites
Partially inverted (Co0.185Fe0.815)[Co0.815Fe1.185]O4 spinel submicron particles with spherical shape are studied at low temperature by Mössbauer spectroscopy. Canted magnetic structures are evidenced. The hyperf...
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Chapter
Chitin in the Exoskeletons of Arthropoda: From Ancient Design to Novel Materials Science
The Arthropoda use chitin and various proteins as basic materials of their cuticle which is forming their exoskeletons. The exoskeleton is composed of skeletal elements with physical properties that are adapte...
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Article
Mesoscale modeling of microgel mechanics and kinetics through the swelling transition
The mechanics and swelling kinetics of polymeric microgels are simulated using a mesoscale computational model based on dissipative particle dynamics. Microgels are represented by a random elastic network subm...
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Article
Open AccessDissociating the phononic, magnetic and electronic contributions to thermal conductivity: a computational study in alpha-iron
Computational tools to study thermodynamic properties of magnetic materials have, until recently, been limited to phenomenological modeling or to small domain sizes limiting our mechanistic understanding of th...
