W. Knafo

Publication List Details

Period

2003 - 2009

Number

35

Co-Authors

Quantum criticality of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ : the magnetically ordered phase (2009)

Raymond, S., Knafo, W., Flouquet, J., Bourdarot, F., Lejay, P.

We report specific heat and neutron scattering experiments performed on the system Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ on the magnetic side of its quantum critical phase diagram. The Kondo temperature...

Resistivity of Mn$_{1-x}$Fe$_x$Si single crystals: Evidence for quantum critical behavior (2009)

Meingast, C., Zhang, Q., Wolf, Th., Hardy, F., Grube, K., Knafo, W., ...

Resistivity measurements have been made on Mn$_{1-x}$Fe$_x$Si single crystals between 2 and 300K for $x$ = 0, 0.05, 0.08, 0.12 and 0.15. Fe doping is found to depress the magnetic ordering...

Ferromagnetism and Lattice Distortions in the Perovskite YTiO$_3$ (2008)

Knafo, W., Meingast, C., Löhneysen, H. V., Boris, A. V., Popovich, P., Kovaleva, N. N., ...

The thermodynamic properties of the ferromagnetic perovskite YTiO$_3$ are investigated by thermal expansion, magnetostriction, specific heat, and magnetization measurements. The low-temperature...

Critical Scaling of the Magnetization and Magnetostriction in the Weak Itinerant Ferromagnet UIr (2008)

Knafo, W., Meingast, C., Sakarya, S., Van Dijk, N. H., Huang, Y., Rakoto, H., ...

The weak itinerant ferromagnet UIr is studied by magnetization and magnetostriction measurements. Critical behavior, which surprisingly extends up to several Tesla, is observed at the Curie...

Heat Capacity and Magnetic Phase Diagram of the Low-Dimensional Antiferromagnet Y$_2$BaCuO$_5$ (2008)

Knafo, W., Meingast, C., Inaba, A., Wolf, Th., Löhneysen, H. V.

A study by specific heat of a polycrystalline sample of the low-dimensional magnetic system Y$_2$BaCuO$_5$ is presented. Magnetic fields up to 14 T are applied and permit to extract the ($T$,$H$)...

Heat capacity thermal expansion and magnetic properties of the itinerant ferromagnet MnSi. (2008)

Zhang, Q., Knafo, W., Hardy, F., Grube, K., Schweiss, P., Löhneysen, H.von, ...

72.Jahrestagung der Deutschen Physikalischen Gesellschaft und DPG Frühjahrstagung des Arbeitskreises Festkörperphysik, Fachverband Tiefe Temperaturen, Berlin, 25.-29.Februar 2008

Specific heat of the Kagome mixed compounds (Co§1§-§xNi§x)§3V§2O§8. (2008)

Zhang, Q., Knafo, W., Grube, K., Löhneysen, H.von, Meingast, C., Wolf, T.

Internat.Conf.on Strongly Correlated Electron Systems (SCES'07), Houston, Tex., May 13-18, 2007

Study of magnetic ordering in YTiO§3 using high-resolution dilatometry. (2007)

Knafo, W., Meingast, C., Boris, A., Popovich, P., Kovaleva, N., Yordanov, P., ...

71.Jahrestagung der Deutschen Physikalischen Gesellschaft und DPG Frühjahrstagung des Arbeitskreises Festkörperphysik, Fachverband Tiefe Temperaturen, Regensburg, 26.-30.März 2007

Thermal expansion and specific heat of magnetically frustrated (Ni§1§-§xCo§x)§3V§2O§8. (2007)

Zhang, Q., Knafo, W., Grube, K., Löhneysen, H.von, Meingast, C., Wolf, T.

71.Jahrestagung der Deutschen Physikalischen Gesellschaft und DPG Frühjahrstagung des Arbeitskreises Festkörperphysik, Fachverband Tiefe Temperaturen, Regensburg, 26.-30.März 2007

Importance of In-Plane Anisotropy in the Quasi Two-Dimensional Antiferromagnet BaNi$_{2}$V$_{2}$O$_{8}$ (2006)

Knafo, W., Meingast, C., Grube, K., Drobnik, S., Popovich, P., Schweiss, P., ...

The phase diagram of the quasi two-dimensional antiferromagnet BaNi$_{2}$V$_{2}$O$_{8}$ is studied by specific heat, thermal expansion, magnetostriction, and magnetization for magnetic fields applied...

Further analysis of the quantum critical point of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ (2006)

Raymond, S., Knafo, W., Flouquet, J., Lejay, P.

New data on the spin dynamics and the magnetic order of Ce$_{1-x}$La$_{x}$Ru$_{2}$Si$_{2}$ are presented. The importance of the Kondo effect at the quantum critical point of this system is emphasized...

Thermal expansion of the quasi two-dimensional magnetic layered compound BaNi$_{2}$V$_{2}$O$_{8}$ under magnetic fields along c-axis (2006)

Knafo, W., Meingast, C., Grube, K., Drobnik, S., Popovich, P., Schweiss, P., ...

The quasi two-dimensional magnetic BaNi$_{2}$V$_{2}$O$_{8}$ is studied by using high-resolution thermal expansion in magnetic fields up to 10 T applied along the c-axis. A slight increase of about 1...

Thermodynamic properties of the magnetic layered compound BaNi§2V§2O§8. (2006)

Knafo, W., Drobnik, S., Grube, K., Löhneysen, H.von, Meingast, C., Popovich, P., ...

Internat.Conf.on Strongly Correlated Electron Systems (SCES '05), Wien, A, July 26-30, 2005

Dilatometry under magnetic field of the magnetic quasicrystal Zn-Mg-Tb. (2006)

Knafo, W., Meingast, C., Popovich, P., Löhneysen, H.von, Takakura, H., Inaba, A.

DPG Spring Meeting of the Divison Condensed Matter, 21st General Conf.of the Condensed Matter Division of the European Physical Society, Dresden, March 26-31, 2006

Suppression of magnetic order in YbNiSi§3§-§xGe§x. (2006)

Grube, K., Knafo, W., Meingast, C., Drotzinger, S., Uhlarz, M., Wolf, Th., ...

DPG Spring Meeting of the Divison Condensed Matter, 21st General Conf.of the Condensed Matter Division of the European Physical Society, Dresden, March 26-31, 2006

Superconductivity mediated by a soft phonon mode: specific heat, resistivity, thermal expansion and magnetization of YB6 (2005)

Lortz, R., Wang, Y., Tutsch, U., Abe, S., Meingast, C., Popovich, P., ...

The superconductor YB6 has the second highest critical temperature Tc among the boride family MBn. We report measurements of the specific heat, resistivity, magnetic susceptibility and thermal...

Artificial scaling laws of the dynamical magnetic susceptibility in heavy-fermion systems (2005)

Knafo, W., Raymond, S.

We report here how artificial, thus erroneous, scaling laws of the dynamical magnetic susceptibility can be obtained when data are not treated carefully. We consider the example of the heavy-fermion...

Low energy spin fluctuations in the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$ (2005)

Knafo, W., Raymond, S., Fåk, B., Adams, M. A., Lejay, P., Flouquet, J.

We report inelastic neutron scattering measurements performed on a single crystal of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$, which is at the borderline between an...

Anomalous scaling behavior of the dynamical spin susceptibility of Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$ (2004)

Knafo, W., Raymond, S., Flouquet, J., Fåk, B., Adams, M. A., Haen, P., ...

Inelastic neutron scattering measurements have been performed on single crystals of the heavy fermion compound Ce$_{0.925}$La$_{0.075}$Ru$_{2}$Si$_{2}$ in broad energy [0.1, 9.5 meV] and temperature...

Study of low-energy magnetic excitations in single-crystalline CeIn3 by inelastic neutron scattering (2003)

Knafo, W., Raymond, S., Fak, B., Lapertot, G., Canfield, P. C., Flouquet, J.

Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn$_{3}$ for temperatures below and above the N\'eel temperature, $T_N$. In the...