Kutuzov, A. S., Skvortsova, A. M., Belov, S. I., Sichelschmidt, J., Wykhoff, J., Eremin, I., ...
We consider the local properties of the Yb3+ ion in the crystal electric field in the Kondo lattice compounds YbRh2Si2 and YbIr2Si2. On this basis we have calculated the magnetic susceptibility...
Evolution of the Kondo state of YbRh2Si2 probed by high field ESR (2008)
Schaufuß, U., Kataev, V., Zvyagin, A. A., Büchner, B., Sichelschmidt, J., Wykhoff, J., ...
We study the magnetic field dependence of the electron spin resonance (ESR) of the heavy fermion compound YbRh2Si2 for fields up to ~ 8 T. At all fields a well defined strongly anisotropic ESR mode...
Optical properties of YbRh2Si2 and YbIr2Si2: A comparison (2008)
Sichelschmidt, J., Kimura, S., Krellner, C., Geibel, C., Steglich, F.
ESR of YbRh2Si2 and 174YbRh2Si2 : local and itinerant properties (2007)
Wykhoff, J., Sichelschmidt, J., Lapertot, G., Knebel, G., Flouquet, J., Fazlishanov, I. I., ...
Below the Kondo temperature the heavy Fermion compound YbRh$_{2}$Si$_{2}$ shows a well defined Electron Spin Resonance (ESR) with local Yb$^{3+}$ properties. We report a detailed analysis of the ESR...
Electron spin resonance of YbIr2Si2 below the Kondo temperature (2007)
Sichelschmidt, J., Wykhoff, J., Krug Von Nidda, H.-A., Fazlishanov, I. I., Hossain, Z., Krellner, C., ...
Spin dynamics of YbRh2Si2 observed by electron spin resonance (2007)
Sichelschmidt, J., Wykhoff, J., Krugg Von Nidda, H.-A., Ferstl, J., Geibel, C., Steglich, F.
Far-infrared optical investigation of the heavy-fermion semiconductor U2Ru2Sn (2007)
Sichelschmidt, J., Voevodin, V., Mydosh, J. A., Steglich, F.
Electron spin resonance in YbRh2Si2: The role of the residual linewidth (2007)
Wykhoff, J., Sichelschmidt, J., Ferstl, J., Krellner, C., Geibel, C., Steglich, F., ...
On the local and itinerant properties of the ESR in YbRh2Si2 (2007)
Wykhoff, J., Sichelschmidt, J., Lapertot, G., Knebel, G., Flouquet, J., Fazlishanov, I. I., ...
Spin dynamics of $Yb Rh_2 Si_2$ observed by Electron Spin Resonance (2006)
Sichelschmidt, J., Wykhoff, J., Ferstl, J., Geibel, C., Steglich, F.
Below the Kondo temperature $T_{\rm K}$ electron spin resonance (ESR) usually is not observable from the Kondo-ion itself because the characteristic spin fluctuation energy results in a huge width of...
Kimura, S., Sichelschmidt, J., Ferstl, J., Krellner, C., Geibel, C., Steglich, F.
We report far-infrared optical properties of YbRh$_{2}$Si$_{2}$ for photon energies down to 2 meV and temperatures 0.4 -- 300 K. In the coherent heavy quasiparticle state, a linear dependence of the...
Optical Pseudogap from Iron States in Filled Skutterudites AFe4Sb12 (A = Yb, Ca, Ba) (2006)
Sichelschmidt,J., Voevodin,V., Im,H. J., Kimura,S., Rosner,H., Leithe-Jasper,A., ...
Optical Pseudogap from Iron States in Filled Skutterudites AFe4Sb12 (A = Yb, Ca, Ba) (2006)
Sichelschmidt,J., Voevodin,V., Im,H. J., Kimura,S., Rosner,H., Leithe-Jasper,A., ...
Optical Pseudogap from Iron States in Filled Skutterudites AFe4Sb12 (A = Yb, Ca, Ba) (2006)
Sichelschmidt, J., Voevodin, V., Im, H. J., Kimura, S., Rosner, H., Leithe-Jasper, A., ...
Optical observation of non-Fermi-liquid behavior in the heavy fermion state of YbRh2Si2 (2006)
Kimura, S., Sichelschmidt, J., Ferstl, J., Krellner, C., Geibel, C., Steglich, F.
Influence of cage distortions on the electronic structure and optical properties of Ba6Ge25 (2005)
Zerec,I., Carrillo-Cabrera,W., Voevodin,V., Sichelschmidt,J., Steglich,F., Grin,Y., ...
Electron spin resonance of Eu2+ in the Eu doped clathrate Ba6Ge25 (2005)
Sichelschmidt,J., Carrillo-Cabrera,W., Ivanshin,V. A., Grin,Y., Steglich,F.
Influence of cage distortions on the electronic structure and optical properties of Ba6Ge25 (2005)
Zerec,I., Carrillo-Cabrera,W., Voevodin,V., Sichelschmidt,J., Steglich,F., Grin,Y., ...
Optical investigations of the clathrate α-Eu8Ga16Ge30 (2005)
Sichelschmidt,J., Voevodin,V., Pacheco,V., Grin,Y., Steglich,F., Nishi,T., ...
Electron spin resonance of Eu2+ in the Eu doped clathrate Ba6Ge25 (2005)
Sichelschmidt, J., Carrillo-Cabrera, W., Ivanshin, V. A., Grin, Y., Steglich, F.
Influence of cage distortions on the electronic structure and optical properties of Ba6Ge25 (2005)
Zerec, I., Carrillo-Cabrera, W., Voevodin, V., Sichelschmidt, J., Steglich, F., Grin, Y., ...
Optical investigations of the clathrate α-Eu8Ga16Ge30 (2005)
Sichelschmidt, J., Voevodin, V., Pacheco, V., Grin, Y., Steglich, F., Nishi, T., ...
Influence of cage distortions on the electronic structure and optical properties of Ba6Ge25 (2005)
Zerec, I., Carrillo-Cabrera, W., Voevodin, V., Sichelschmidt, J., Steglich, F., Grin, Y., ...
Electron spin resonance of the low-dimensional spin-system Sr2V3O9 (2004)
Ivanshin,V. A., Yushankhai,V., Sichelschmidt,J., Zakharov,D. V., Kaul,E. E., Geibel,C.
Optical conductivity of a non-Fermi-liquid material YbRh2Si2 (2004)
Kimura,S., Nishi,T., Sichelschmidt,J., Voevodin,V., Ferstl,J., Geibel,C., ...
Electron spin resonance of the Kondo ion in YbRh2Si2 (2004)
Sichelschmidt,J., Ivanshin,V. A., Ferstl,J., Geibel,C., Steglich,F.
Electron spin resonance of the low-dimensional spin-system Sr2V3O9 (2004)
Ivanshin, V. A., Yushankhai, V., Sichelschmidt, J., Zakharov, D. V., Kaul, E. E., Geibel, C.
Optical conductivity of a non-Fermi-liquid material YbRh2Si2 (2004)
Kimura, S., Nishi, T., Sichelschmidt, J., Voevodin, V., Ferstl, J., Geibel, C., ...
Electron spin resonance of the Kondo ion in YbRh2Si2 (2004)
Sichelschmidt, J., Ivanshin, V. A., Ferstl, J., Geibel, C., Steglich, F.
Low Temperature Electron Spin Resonance of the Kondo Ion in a Heavy Fermion Metal: YbRh2Si2 (2003)
Sichelschmidt,J., Ivanshin,V. A., Ferstl,J., Geibel,C., Steglich,F.
ESR study of the anisotropic exchange in the quasi-one-dimensional antiferromagnet Sr2V3O9 (2003)
Ivan'shin,V. A., Yushankhai,V., Sichelschmidt,J., Zakharov,D. V., Kaul,E. E., Geibel,C.
OPTICAL REFLECTIVITY OF THE CLATHRATE COMPOUND Ba6Ge25 (2003)
Sichelschmidt,J., Voevodin,V., Paschen,S., Carrillo-Cabrera,W., Grin,Y., Steglich,F., ...
ESR study of the anisotropic exchange in the quasi-one-dimensional antiferromagnet Sr2V3O9 (2003)
Ivan'shin, V. A., Yushankhai, V., Sichelschmidt, J., Zakharov, D. V., Kaul, E. E., Geibel, C.
Low Temperature Electron Spin Resonance of the Kondo Ion in a Heavy Fermion Metal: YbRh2Si2 (2003)
Sichelschmidt, J., Ivanshin, V. A., Ferstl, J., Geibel, C., Steglich, F.
OPTICAL REFLECTIVITY OF THE CLATHRATE COMPOUND Ba6Ge25 (2003)
Sichelschmidt, J., Voevodin, V., Paschen, S., Carrillo-Cabrera, W., Grin, Y., Steglich, F., ...
Kaul, E. E., Rosner, H., Yushankhai, V., Sichelschmidt, J., Shpanchenko, R. V., Geibel, C.
The magnetic behaviour of the low-dimensional Vanadium-oxides Sr2V3O9 and Ba2V3O9 was investigated by means of magnetic susceptibility and specific heat measurements. In both compounds, the results...
Unconventional superconductivity in UBe13 probed by uniaxial stress (2002)
Miclea,C. F., Grosche,F. M., Sichelschmidt,J., Stewart,G. R., Sparn,G., Steglich,F.
In order to examine the nature of the superconducting order parameter in UBe13, we measured the specific heat, C, as a function of temperature, T, under uniaxial stress along axis, for both "L"-(T-c...
Quasi-one-dimensional spin chains in CuSiO3: an EPR study (2002)
Sichelschmidt,J., Baenitz,M., Geibel,C., Steglich,F., Loidl,A., Otto,H. H.
Temperature-dependent electron paramagnetic resonance (EPR) studies were performed on CuSiO3. This recently discovered compound is isostructural with the spin-Peierls compound CuGeO3. The EPR signals...
Unconventional superconductivity in UBe13 probed by uniaxial stress (2002)
Miclea, C. F., Grosche, F. M., Sichelschmidt, J., Stewart, G. R., Sparn, G., Steglich, F.
In order to examine the nature of the superconducting order parameter in UBe13, we measured the specific heat, C, as a function of temperature, T, under uniaxial stress along axis, for both "L"-(T-c...
Quasi-one-dimensional spin chains in CuSiO3: an EPR study (2002)
Sichelschmidt, J., Baenitz, M., Geibel, C., Steglich, F., Loidl, A., Otto, H. H.
Temperature-dependent electron paramagnetic resonance (EPR) studies were performed on CuSiO3. This recently discovered compound is isostructural with the spin-Peierls compound CuGeO3. The EPR signals...
Magnetic, electronic, dielectric and optical properties of Pr(Ca:Sr)MnO3 (2001)
Sichelschmidt,J., Paraskevopoulos,M., Brando,M., Wehn,R., Ivannikov,D., Mayr,F., ...
Magnetic, electronic, dielectric and optical properties of Pr(Ca:Sr)MnO3 (2001)
Sichelschmidt, J., Paraskevopoulos, M., Brando, M., Wehn, R., Ivannikov, D., Mayr, F., ...
Quasi-one-dimensional spin chains in CuSiO3: an EPR study (2000)
Sichelschmidt, J., Loidl, A., Baenitz, M., Otto, H. H., Geibel, C., Steglich, F.
Temperature dependent EPR studies were performed on a single crystal of CuSiO3.This recently discovered compound is isostructural with the spin-Peierls compound CuGeO3. The EPR signals show different...
Observation of magnetic order in La_{1.9}Sr_{0.1}CuO_{4} from two-magnon Raman scattering (1998)
Lin, Y., Sichelschmidt, J., Eldridge, J. E., Wahlbrink, T.
We reported two-magnon Raman scattering from La_{1.9}Sr_{0.1}CuO_4, which has a suppressed Tc=12 K, as the temperature is lowered below 37 K and an ordered spin phase is formed. The two-magnon Raman...