Kazan state Federal University E-Archive :: Browsing by Author "Vagizov F."

A new mineral species rossovskyite, (Fe3+,Ta)(Nb,Ti)O4: crystal chemistry and physical properties

Konovalenko S.; Ananyev S.; Chukanov N.; Rastsvetaeva R.; Aksenov S.; Baeva A.; Gainov R.; Vagizov F.; Lopatin O.; Nebera T. (2015)

© 2015, Springer-Verlag Berlin Heidelberg. A new mineral rossovskyite named after L.N. Rossovsky was discovered in granite pegmatites of the Bulgut occurrence, Altai Mts., Western Mongolia. Associated minerals are microcline, ...

Application of 57Fe Mössbauer spectroscopy as a tool for mining exploration of bornite (Cu5FeS4) copper ore

Gainov R.; Vagizov F.; Golovanevskiy V.; Ksenofontov V.; Klingelhöfer G.; Klekovkina V.; Shumilova T.; Pen'kov I. (2014)

Nuclear resonance methods, including Mössbauer spectroscopy,are considered as unique techniques suitable for remote on-line mineralogical analysis. The employment of these methods provides potentially significant commercial ...

Application of the low-finesse γ -ray frequency comb for high-resolution spectroscopy

Shakhmuratov R.; Vagizov F.; Scully M.; Kocharovskaya O. (2016)

© 2016 American Physical Society.High-finesse frequency combs (HFC) with large ratio of the frequency spacing to the width of the spectral components have demonstrated remarkable results in many applications such as precision ...

Application of the Mössbauer effect to the study of opto-acoustic phenomena

Vagizov F.; Shakhmuratov R.; Sadykov E. (2015)

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. We present the results of the proof of principle experiment on the observation of the acoustic oscillations induced by the pulsed laser excitation. Time domain spectra ...

Application of the Mössbauer effect to the study of subnanometer harmonic displacements in thin solids

Shakhmuratov R.; Vagizov F. (2017)

© 2017 American Physical Society. We measure subnanometer displacements of thin samples vibrated by piezotransducer. Samples contain Fe57 nuclei, which are exposed to 14.4-keV γ radiation. Vibration produces sidebands from ...

Coherent control of the waveforms of recoilless γ 3-ray photons

Vagizov F.; Antonov V.; Radeonychev Y.; Shakhmuratov R.; Kocharovskaya O. (2014)

The concepts and ideas of coherent, nonlinear and quantum optics have been extended to photon energies in the range of 10-100 kiloelectronvolts, corresponding to soft γ 3-ray radiation (the term used when the radiation is ...

Coherent forward scattering of a single photon wave packet in a resonant medium

Shakhmuratov R.; Vagizov F.; Odeurs J.; Kocharovskaya O. (2010)

The propagation of a single photon wave packet in a thick resonant medium was studied theoretically and experimentally. The well-known acceleration of wave packet decay was observed upon wave packet exiting from a medium ...

Coherent methods for controlling Mössbauer photons

Vagizov F.; Shakhmuratov R.; Nurmekhamitov R.; Kocharovskaya O. (2015)

© 2015, Allerton Press, Inc. Two methods of forming short pulses from a single-phonon wave packet are compared. The first of these, known as gamma-echo method, is based on the rapid shift of a resonant absorber to the ...

Coloration of natural beryl by iron ion implantation

Khaibullin R.; Lopatin O.; Vagizov F.; Bazarov V.; Bakhtin A.; Khaibullin I.; Aktas B. (2003)

Natural colorless crystals of Ural beryl were implanted at room temperature with 40 keV Fe+ ions with fluences in the range of 0.5-1.5×1017 ion/cm2. As-implanted samples show dark-grey tone due to radiation damage of beryl ...

Controllable quantum interference in Mössbauer spectroscopy: "valve" effect

Sadykov E.; Arinin V.; Vagizov F.; Kocharovskaya O. (2007)

A possibility of redistribution of line intensities in the spectrum of resonant Mössbauer scattering due to the RF-stimulated quantum interference of the spectroscopic amplitudes is shown. The three-level Σ scheme in the ...

Controlled quantum interference of Mössbauer radiation in resonant scattering

Sadykov E.; Yurichuk A.; Vagizov F.; Kocharovskaya O. (2006)

Previously, our group described a quantum-interference effect ("valve effect") to be expected in the resonant scattering of Mössbauer photons in the NMR mode. In the present study, it is shown that similar effects also ...

Conversion of recoilless γ radiation into a periodic sequence of short intense pulses in a set of several sequentially placed resonant absorbers

Radeonychev Y.; Antonov V.; Vagizov F.; Shakhmuratov R.; Kocharovskaya O. (2015)

© 2015 American Physical Society. An efficient technique for producing a periodic sequence of short nearly bandwidth-limited pulses of recoilless γ radiation via its transmission through an optically thick vibrating resonant ...

Deposition rate effect on microstructure and perpendicular magnetic anisotropy of iron films prepared by ion-beam-assisted deposition

Lyadov N.; Vagizov F.; Vakhitov I.; Gumarov A.; Ibragimov S.; Kuzina D.; Faizrakhmanov I.; Khaibullin R.; Shustov V. (2019)

© 2019 Elsevier Ltd Thin films of iron with different thickness (⁓40–300 nm) were deposited on quartz and silicon substrates by using ion beam assisted deposition (IBAD) technique. The influence of film thickness and ...

Determination of the lamb-Mössbauer factor by the delayed coincidence technique

Vagizov F.; Sadykov E.; Kocharovskaya O. (2010)

A method for determining the Lamb-Mössbauer factor by means of the delayed coincidence technique is proposed. The effective thickness of a series of K4Fe(CN)6 · 3H2O samples was measured and recoilless fraction f = 0.339 ...

DFT and Mössbauer Spectroscopy Study of a FeTe<inf>0.5</inf>Se<inf>0.5</inf> Single Crystal

Kiiamov A.; Tayurskii D.; Vagizov F.; Croitori D.; Tsurkan V.; Krug von Nidda H.; Tagirov L. (2019)

© 2019, Pleiades Publishing, Inc. The iron based superconductor FeSe0.5Te0.5 has been studied applying Mössbauer spectroscopy and ab initio density functional theory calculations of hyperfine parameters of iron nuclei. It ...

Differential amplitude discriminator with digital/analog control

Sinyavskii V.; Vagizov F.; Manapov R. (1996)

A differential amplitude discriminator is described that can operate both with a constant threshold of discrimination (registration of the number of pulses over sequential time intervals), and in the amplitude analysis ...

Direct growth of oriented nanocrystals of gamma-iron on graphene oxide substrates. Detailed analysis of the factors affecting unexpected formation of the gamma-iron phase

Khannanov A.; Kiiamov A.; Valimukhametova A.; Vagizov F.; Dimiev A. (2019)

© 2019 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. In bulk, face-centered gamma-iron exists only at temperatures above 917 °C, returning back to body-centered alpha-iron upon cooling ...

Effects of optical radiation on the Mössbauer spectrum of 151Eu3+: CaF2

Olariu S.; Kolesov R.; Vagizov F.; Kocharovskaya O. (2005)

We study the changes in the shape of the Mössbauer spectrum for the 21.5 keV transition of 151Eu3+ nuclei in a CaF2 lattice, assuming that a population of the excited electronic state 5D0 is maintained by optical pumping. ...

Evidence of the Plaquette Structure of Fe<inf>1+x</inf>Te Iron Telluride: Mössbauer Spectroscopy Study

Kiiamov A.; Tagirov L.; Vagizov F.; Tayurskii D.; Krug von Nidda H.; Croitori D.; Tsurkan V.; Loidl A. (2019)

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Single-crystalline Fe1+xTe iron telluride with off-stoichiometric iron has been synthesized by the Bridgman method. The X-ray diffraction and wave-length-dispersive X-ray ...

Experimental observation of laser-induced modification of Mössbauer spectra

Vagizov F.; Kolesov R.; Kocharovskaya O. (2004)

The modification of Fe57 MÖssbauer spectra of a MgO single crystal under the action of laser radiation was observed. A possible interpretation of the observed effect is proposed.

Browsing by Author "Vagizov F."

Browsing by Author "Vagizov F."

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