Scientific Commons: U. Burkhardt

The magnetism in SrFe2As2 can be suppressed by electron doping through a small substitution of Fe by Co or Ni, giving way to superconductivity. We demonstrate that a massive substitution of Fe by...

Crystal chemistry and magnetic properties of ternary compounds REAgxGa3-x (RE = Sm, Gd, Tb, Dy, Ho, Er, Tm, Lu) (2009)

Gumeniuk, R., Prots, J., Schnelle, W., Burkhardt, U., Kuz'ma, J., Grin, Y.

AFe2As2 (A = Ca, Sr, Ba, Eu) and SrFe2-x TM xAs2 (TM = Mn, Co, Ni): crystal structure, charge doping, magnetism and superconductivity (2009)

Kasinathan, D., Ormeci, A., Koch, K., Burkhardt, U., Schnelle, W., Leithe-Jasper, A., ...

Synthesis and high thermoelectric efficiency of Zintl phase YbCd2-xZnxSb2 (2009)

Burkhardt, U., ...

Crystallographic and physical properties of RE2-xNi21B6 (RE = Er, Yb and Lu) (2009)

Veremchuk, I., Gumeniuk, R., Prots, Y., Schnelle, W., Burkhardt, U., Rosner, H., ...

Factors controlling contrail cirrus optical depth (2009)

B. Kärcher, U. Burkhardt, S. Unterstrasser, P. Minnis

Aircraft contrails develop into contrail cirrus by depositional growth and sedimentation of ice particles and horizontal spreading due to wind shear. Factors controlling this development include...

Substitution-induced superconductiviy in SrFe2-xRuxAs2 (0≤x≤2) (2009)

Schnelle, W., Leithe-Jasper, A., Gumeniuk, R., Burkhardt, U., Kasinathan, D., Rosner, H.

Factors controlling contrail cirrus optical depth (2009)

B. Kärcher, U. Burkhardt, S. Unterstrasser, P. Minnis

Aircraft contrails develop into contrail cirrus by depositional growth and sedimentation of ice particles and horizontal spreading due to wind shear. Factors controlling this development include...

EuTM2Ga8 (TM = Co, Rh, Ir)- A Contribution to the Chemistry of the CeFe2Al8-type Compounds (2009)

Sychevych, O., Kohout, M., Schnelle, W., Borrmann, H., Cardoso-Gil, R., Schmidt, M., ...

Structure-composition sensitivity in "Metallic" Zintl phases: A study of Eu(Ga1-xTtx)2 (Tt = Si, Ge, 0≤ x ≤ 1) (2009)

Pöttgen, R., Schnelle, W., Burkhardt, U., Grin, Y., ...

Interplay between 3d and 4f magnetism in CeCoPO (2008)

Krellner, C., Burkhardt, U., Geibel, C.

The ground state properties of CeCoPO, a homologue of the new high temperature superconductors RFePnO1-xFx, were studied by means of susceptibility, specific heat, and resistivity measurements on...

Magnetic and elastic properties of YCo5 and LaCo5 under pressure (2008)

Koudela, D., Schwarz, U., Rosner, H., Burkhardt, U., Handstein, A., Hanfland, M., ...

The First Silicon-Based Cationic Clathrate III with High Thermal Stability: Si172-xPxTey (x = 2y, y > 20) (2008)

Zaikina, J. V., Kovnir, K. A., Haarmann, F., Schnelle, W., Burkhardt, U., Borrmann, H., ...

Electronic structure and thermodynamic properties of Ce3Rh4Sn13 and La3Rh4Sn13 (2008)

Gamża, M., Schnelle, W., Ślebarski, A., Burkhardt, U., Gumeniuk, R., Rosner, H.

Unusual mechanical behaviour of the intermetallic phase Nb2Co7 (2008)

Siggelkow, L., Burkhardt, U., Kreiner, G., Palm, M., Stein, F.

Unusual mechanical behaviour of the intermetallic phase Nb2Co7 (2008)

Siggelkow, L., Burkhardt, U., Kreiner, G., Palm, M., Stein, F.

The efficacy of cervical mediastinotomy in children (2007)

Hubertus, J, Hirsch, W, Burkhardt, U, Korholz, D, Reck, CA, Trobs, R

Structural investigations on $\epsilon$-FeGe at high pressure and low temperature (2007)

Wilhelm, H., Schmidt, M., Cardoso-Gil, R., Burkhardt, U., Hanfland, M., Schwarz, U., ...

The structural parameters of $\epsilon$-FeGe have been determined at ambient conditions using single crystal refinement. Powder diffraction have been carried out to determine structural properties...

Electronic properties and crystal structures of RE3Rh2Ga2 and RE3Rh3Si2 (RE = La, Ce) (2007)

Kaczorowski, D., Prots, Y., Burkhardt, U., Grin, Y.

K7B7Si39, a Borosilicide with the Clathrate I Structure (2007)

Jung, W., Lörincz, J., Ramlau, R., Borrmann, H., Prots, Y., Haarmann, F., ...

K7B7Si39, ein Borosilicid mit Clathrat-I-Struktur (2007)

Jung, W., Lörincz, J., Ramlau, R., Borrmann, H., Prots, Y., Haarmann, F., ...

Oxidation of M4Si4 (M = Na, K) to Clathrates by HCl or H2O (2007)

Böhme, B., Guloy, A., Tang, Z., Schnelle, W., Burkhardt, U., Baitinger, M., ...

Electronic properties and crystal structures of RE3Rh2Ga2 and RE3Rh3Si2 (RE = La, Ce) (2007)

D. Kaczorowski, Yu. Prots, U. Burkhardt, Yu. Grin

Journal article

Crystal structure, chemical bonding, electrical transport, and magnetic behavior of TmAlB4 (2007)

Mori, T., Borrmann, H., Okada, S., Kudou, K., Leithe-Jasper, A., Burkhardt, U., ...

Crystal structure and twinning of HfPdGe (2007)

Prots, Y., Demchyna, R., Burkhardt, U., Schwarz, U.

Preparation of titanium diboride TiB2 by spark plasma sintering at slow heating rate (2007)

Schmidt, J., Boehling, M., Burkhardt, U., Grin, Y.

Structural investigations of ε-FeGe at high pressure and low temperature (2007)

Wilhelm, H., Schmidt, M., Cardoso-Gil, R., Burkhardt, U., Hanfland, M., Schwarz, U., ...

High-pressure synthesis of the electron-excess compound CaSi6 (2007)

Wosylus, A., Prots, Y., Burkhardt, U., Schnelle, W., Schwarz, U.

Preparation of titanium diboride TiB2 by spark plasma sintering at slow heating rate (2007)

Schmidt, J., Boehling, M., Burkhardt, U., Grin, Y.

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., ...

A case study of complex metallic alloy phases: structure and disorder phenomena of Mg-Pd compounds (2006)

Makongo,J. P. A., Prots,Y., Burkhardt,U., Niewa,R., Kudla,C., Kreiner,G.

High-Pressure Synthesis and Physical Properties of the Europium-Substituted Barium Clathrate Ba8-xEuxGe43∛3 (x ≤ 0.6) (2006)

Demchyna,R., Köhler,U., Prots,Y., Schnelle,W., Baenitz,M., Burkhardt,U., ...

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., ...

Ba2[Ni3N2]: A Low-Valent Nitridonickelate─Synthesis, Crystal Structure, and Physical Properties (2006)

Metha,A., Höhn,P., Schnelle,W., Petzold,V., Rosner,H., Burkhardt,U., ...

A case study of complex metallic alloy phases: structure and disorder phenomena of Mg-Pd compounds (2006)

Makongo, J. P. A., Prots, Y., Burkhardt, U., Niewa, R., Kudla, C., Kreiner, G.

High-Pressure Synthesis and Physical Properties of the Europium-Substituted Barium Clathrate Ba8-xEuxGe43□3 (x ≤ 0.6) (2006)

Demchyna, R., Köhler, U., Prots, Y., Schnelle, W., Baenitz, M., Burkhardt, U., ...

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., ...

Ba2[Ni3N2]: A Low-Valent Nitridonickelate─Synthesis, Crystal Structure, and Physical Properties (2006)

Mehta, A., Höhn, P., Schnelle, W., Petzold, V., Rosner, H., Burkhardt, U., ...

Valence behaviour of ytterbium in YbNiGa4 (2006)

Vasylechko, L., Schnelle, W., Schmidt, M., Burkhardt, U., Borrmann, H., Schwarz, U., ...

Localization of magnetic moments of cerium in single crystalline CePt4In (2006)

Pikul, A. P., Kaczorowski, D., Bukowski, Z., Gofryk, K., Burkhardt, U., Grin, Y., ...

Breaking the Zintl rule: High-pressure synthesis of binary EuSi6 and its ternary derivative EuSi6-xGax (0 ≤ x ≤ 0.6) (2006)

Wosylus, A., Prots, Y., Burkhardt, U., Schnelle, W., Schwarz, U., Grin, Y.

Crystal structures of (barium, europium) platinum trigermanium, Ba1-xEuxPtGe3 (x = 0,0.27,1) (2006)

Demchyna, R., Prots, Y., Schnelle, W., Burkhardt, U., Schwarz, U.

Mosaic-like tilings derivated from o-Co4Al13 and m-Co4Al13 crystal structures (2006)

Ellner, M., Burkhardt, U.

Tin flux synthesis of rare-earth metal silicide compounds RESi1.7 (RE = Dy, Ho) – A novel ordered structure derived from the AIB2 type (2006)

Roger, J., Babizhetskyy, V., Jadin, R., Guérin, R., Moinet, C., Burkhardt, U., ...

Tin flux synthesis of rare-earth metal silicide compounds RESi1.7 (RE = Dy, Ho): a novel ordered structure derived from the AIB2 type (2006)

Roger, J., Babizhetskyy, V., Jardin, R., Guérin, R., Moinet, C., Burkhardt, U., ...

Ge40.0Te5.3I8: synthesis, crystal structure, and properties of a new clathrate-I compound (2006)

Kovnir, K. A., Abramchuk, N. S., Zaikina, J. V., Baitinger, M., Burkhardt, U., Schnelle, W., ...

Ce4(P1-xSix)3-z: A First Example for the Stabiliztion of the Anti-Th3P4 Type Structure by Substitution in the Non-Metal Substructure (2006)

Chizhov, P. S., Khasanova, N. R., Baitinger, M., Schnelle, W., Prots, Y., Burkhardt, U., ...

Mosaic-like tilings derivated from o-Co4Al13 and m-Co4Al13 crystal structures (2006)

Burkhardt, U., Ellner, M.

Crystal structure of tetraytterbium septarhodium hexaantimony, Yb4Rh7Sb6 (2006)

Leithe-Jasper, A., Cardoso-Gil, R., Ramlau, R., Burkhardt, U.

Crystal Structure and Physical Properties of New Ternary Gallides Eu2Rh3Ga9 and Eu2Ir3Ga9 (2006)

Sichevych, O., Schnelle, W., Prots, Y., Burkhardt, U., Grin, Y.

Crystal structure of hafnium palladium gallium, HfPdGa (2006)

Demchyna, R., Prots, Y., Burkhardt, U., Schwarz, U., Grin, Y.

High-pressure Synthesis of Strontium Hexasilicide (2006)

Wosylus, A., Prots, Y., Burkhardt, U., Schnelle, W., Schwarz, U., Grin, Y.

Sr2[(NC)NiN]: Ein Cyano-Nitrido-Nickelat(0) (2006)

Höhn, P., Armbrüster, M., Auffermann, G., Burkhardt, U., Haarmann, F., Mehta, A., ...

Valence behaviour of ytterbium in YbNiGa4 (2006)

L. Vasylechko, W. Schnelle, M. Schmidt, U. Burkhardt, H. Borrmann, ...

Journal article

Crystal structures of (barium, europium) platinum trigermanium Ba1−xEuxPtGe3 (x = 0, 0.27, 1) (2006)

R. Demchyna, Y. Prots, W. Schnelle, U. Burkhardt, U. Schwarz

Journal article

Localization of magnetic moments of cerium in single crystalline CePt4In (2006)

A.P. Pikul, D. Kaczorowski, Z. Bukowski, K. Gofryk, U. Burkhardt, ...

Journal article

Crystal Structure and Physical Properties of New Ternary Gallides Eu2Rh3Ga9 and Eu2Ir3Ga9 (2006)

O. Sichevych, W. Schnelle, Y. Prots, U. Burkhardt, Y. Grin

Journal article

High spin polarization in the ferromagnetic filled skutterudites KFe4Sb12 and NaFe4Sb12 (2005)

Sheet, Goutam, Rosner, H., Wirth, S., Leithe-Jasper, A., Schnelle, W., Burkhardt, U., ...

The spin polarization of ferromagnetic alkali-metal iron antimonides KFe4Sb12 and NaFe4Sb12 is studied by point-contact Andreev reflection using superconducting Nb and Pb tips. From these...

The Co2Al9 Structure Type Revisited (2005)

Boström,M., Rosner,H., Prots,Y., Burkhardt,U., Grin,Y.

Itinerant iron magnetism in filled skutterudites CaFe4Sb12 and YbFe4Sb12: Stable divalent state of ytterbium (2005)

Schnelle,W., Leithe-Jasper,A., Schmidt,M., Rosner,H., Borrmann,U., Burkhardt,U., ...

High spin polarization in the ferromagnetic filled skutterudites KFe4Sb12 and NaFe4Sb12 (2005)

Sheet,G., Rosner,H., Wirth,S., Leithe-Jasper,A., Schnelle,W., Burkhardt,U., ...

Crystal structure of dimagnesium monopalladium, Mg2Pd (2005)

Makongo,J. P. A., Prots,Y., Niewa,R., Burkhardt,U., Kreiner,G.

Crystal structure of trimagnesium monopalladium, Mg3Pd (2005)

Makongo,J. P. A., Kudla,C., Prots,Y., Niewa,R., Burkhardt,U., Kreiner,G.

The Co2Al9 Structure Type Revisited (2005)

Boström, M., Rosner, H., Prots, Y., Burkhardt, U., Grin, Y.