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  1. No Access

    Article

    EPR of Gd3+ ion in mixed CeO2-Y2O3 nanocrystals

    This paper reports on the results of EPR studies of mixed CeO2-Y2O3 crystals (including nanosized crystals) doped by gadolinium ions. It is revealed that the width of the line corresponding to the allowed transit...

    L. K. Aminov, I. N. Kurkin, R. M. Rakhmatullin, R. Böttcher… in Physics of the Solid State (2009)

  2. No Access

    Article

    A Q-band pulsed ENDOR spectrometer for the study of transition metal ion complexes in solids

    We describe the design of a pulsed electron nuclear double resonance (ENDOR) spectrometer operating at Q-band frequencies (35 GHz) for studies of transition metal ion complexes in the temperature range between...

    J. Hoentsch, Yu. Rosentzweig, D. Heinhold, K. Köhler… in Applied Magnetic Resonance (2003)

  3. No Access

    Article

    Analysis of correlation patterns in hyperfine sublevel correlation spectroscopy ofS=1/2,I=3/2 systems

    The properties of two-dimensional four-pulse electron spin echo envelope modulation spectra of nuclei with nuclear spinI=3/2 in disordered systems are discussed by means of calculated lithium hyperfine sublevel c...

    M. Gutjahr, R. Böttcher, A. Pöppl in Applied Magnetic Resonance (2002)

  4. No Access

    Chapter

    Local Ordering Processes in Ferroelectric, Glass-like and Modulated phases: An EPR Study

    By means of two selected examples it will be shown that electron paramagnetic resonance (EPR) spectroscopy delivers unique microscopic information about crystals with ferroelectric, glass-like and modulated ph...

    G. Völkel, N. Alsabbagh, J. Banys, H. Bauch, R. Böttcher… in Advances in Solid State Physics (2002)

  5. No Access

    Article

    1H ENDOR investigations on gamma-irradiated betaine calcium chloride dihydrate in the incommensurate phase

    The electron nuclear double resonance (ENDOR) technique is applied to study the influence of the incommensurate modulation on the proton hyperfine structure (hfs) tensors of the N(CH3)3 radical in betaine calcium...

    H. Metz, R. Böttcher in Applied Magnetic Resonance (1997)

  6. No Access

    Article

    Analysis of anisotropic hyperfine interaction distributions in two-dimensional four- and five-pulse electron spin echo envelope modulation spectra of protons in single crystals

    The effect of the distribution of anisotropic hyperfine interaction on the cross peak line shape of protons in single crystal two-dimensional four-pulse electron spin echo envelope modulation spectra are discu...

    A. Pöppl, R. Böttcher, G. Völkel in Applied Magnetic Resonance (1997)

  7. Article

    1H-ENDOR investigations on gamma-irradiated betaine calcium chloride dihydrate at room temperature

    H. Metz, R. Böttcher in Applied Magnetic Resonance (1996)

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  8. No Access

    Article

    1H-ENDOR investigations on gamma-irradiated betaine calcium chloride dihydrate at room temperature

    The ENDOR technique is applied to study the structure of the free radical N(CH3)3, found in the high temperature phase in the incommensurate crystal BCCD after γ-irradiation. The radical possesses a planar struct...

    H. Metz, R. Böttcher in Applied Magnetic Resonance (1995)

  9. No Access

    Chapter and Conference Paper

    Structure Determination of Two Mn2+ Paramagnetic Centers in α - LiIO3 by the RFDS and ENDOR Methods

    The superhyperfine interactions of two types of Mn 2+ paramagnetic centers have been investigated with the RFDS and ENDOR methods. It was determined that Mn2+ substitutes lithiu...

    D. M. Daraselia, A. Bräuer, R. Böttcher in Magnetic Resonance and Related Phenomena (1979)