Preparation of pyrite films by plasma-assisted sulfurization of thin iron films (2008)
Bausch, S., Sailer, B., Keppner, Herbert, Willeke, G., Bucher, E., Frommeyer, G.
Pyrite films were prepared using the pure elements as source materials: thin iron films were evaporated on quartz substrates and exposed to a sulfur plasma. The process was controlled by a...
Preparation of pyrite films by plasma-assisted sulfurization of thin iron films (2008)
Bausch, S., Sailer, B., Keppner, Herbert, Willeke, G., Bucher, E., Frommeyer, G.
Pyrite films were prepared using the pure elements as source materials: thin iron films were evaporated on quartz substrates and exposed to a sulfur plasma. The process was controlled by a...
Pseudogapped Fermi surfaces of 1T-TaS2 and 1T-TaSe2: A charge density wave effect (2008)
Bovet, M., Popovic, D., Clerc, F., Koitzsch, Christian, Probst, U., Bucher, E., ...
We report room temperature angle-resolved photoemission experiments on 1T-TaS2 and 1T-TaSe2 complemented by density-functional theory calculations. Fermi-surface mapping experiments in the...
Pseudogapped Fermi surfaces of 1T-TaS2 and 1T-TaSe2: A charge density wave effect (2008)
Bovet, M., Popovic, D., Clerc, F., Koitzsch, Christian, Probst, U., Bucher, E., ...
We report room temperature angle-resolved photoemission experiments on 1T-TaS2 and 1T-TaSe2 complemented by density-functional theory calculations. Fermi-surface mapping experiments in the...
Distribution and abundance of the Pampas deer in San Luis Province, Argentina (2006)
C.M. Dellafiore, M. Demaría, E. Bucher, N. Maceira
Distribution and abundance of the Pampas deer in San Luis Province, Argentina
Novel High-Mobility Field-Effect Transistors Based on Transition Metal Dichalcogenides (2004)
Podzorov, V., Gershenson, M. E., Kloc, Ch., Zeis, R., Bucher, E.
We report on fabrication of novel field-effect transistors (FETs) based on transition metal dichalcogenides. The unique structure of single crystals of these layered inorganic semiconductors enables...
Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions (2003)
Naaman, O., Dynes, R. C., Bucher, E.
We have developed a method for the reproducible fabrication of superconducting scanning tunneling microscope (STM) tips. We use these tips to form superconductor/insulator/superconductor tunnel...
Quantum critical fluctuations in heavy fermion compounds (2002)
Schroeder,A., Aeppli,G., Coleman,P., Ramazashvili,R., Coldea,R., Adams,M., ...
The electronic properties of heavy fermion alloys are dominated by spin fluctuations which are expected to become critical when tuned by pressure to a quantum critical point (QCP), entering a...
Quantum critical fluctuations in heavy fermion compounds (2002)
Schroeder, A, Aeppli, G, Coleman, P, Ramazashvili, R, Coldea, R, Adams, M, ...
Quantum critical fluctuations in heavy fermion compounds (2002)
Schroeder, A., Aeppli, G., Coleman, P., Ramazashvili, R., Coldea, R., Adams, M., ...
The electronic properties of heavy fermion alloys are dominated by spin fluctuations which are expected to become critical when tuned by pressure to a quantum critical point (QCP), entering a...
Comparison of different techniques for edge isolation (2002)
Hauser, A., Hahn, G., Spiegel, M., Feist, H., Breitenstein, O., Rakotoniaina, J. P., ...
Global trends in the interplane penetration depth of layered superconductors (2001)
Dordevic, S. V., Singley, E. J., Basov, D. N., Komiya, Seiki, Ando, Yoichi, Bucher, E., ...
We report on generic trends in the behavior of the interlayer penetration depth $\lambda_c$ of several different classes of quasi two-dimensional superconductors including high-T$_c$ cuprates,...
Interplane Transport and Superfluid Density in Layered Superconductors (2001)
Dordevic, S. V., Singley, E. J., Basov, D. N., Kim, J. H., Maple, M. B., Bucher, E.
We report on generic trends in the behavior of the interlayer penetration depth $\lambda_c$ of several different classes of quasi two-dimensional superconductors including cuprates, Sr$_2$RuO$_4$,...
Investigations on low-cost back-contact silicon solar-cells (2001)
Kress, A., Breitenstein, O., Glunz, S., Fath, P., Willeke, G., Bucher, E.
Onset of antiferromagnetism in heavy fermion metals (2000)
Schroder, A., Aeppli, G., Coldea, R., Adams, M., Stockert, O., Lohneysen, H. V., ...
There are two views of antiferromagnets. The first proceeds from atomic physics, which predicts that atoms with unpaired electrons develop magnetic moments. In a solid, the coupling between moments...
Onset of antiferromagnetism in heavy-fermion metals (2000)
Schroder, A, Aeppli, G, Coldea, R, Adams, M A, Stockert, O, Von Lohneysen, H, ...
Crystalline Field Effects in Intermetallic Compounds. (1998)
Davidov,D., Bucher,E., Longinotti,L. D., Rettori,C.
Electron spin resonance of the rare-earth ions Ce(+3), Dy(+3), Er(+3) and Yb(+3) has been observed in various cubic intermetallic compounds. Experimental results indicate the ground states to be (a)...
Scaling of magnetic fluctuations near a quantum phase transition (1998)
Schroder, A., Aeppli, G., Bucher, E., Ramazashvili, R., Coleman, P.
We use inelastic neutron scattering to measure the magnetic fluctuations in a single crystal of the heavy fermion alloy CeCu_5.9Au_0.1 close to the antiferromagnetic quantum critical point. The...
Less than 50% sublattice polarization in an insulating S=3/2 kagome' antiferromagnet at low T (1997)
Broholm, C., Collins, M. F., Heller, L., Ramirez, A. P., Kloc, C., ...
We have found weak long range antiferromagnetic order in the quasi-two-dimensional insulating oxide $ KCr_3(OD)_6(SO_4)_2$ which contains Cr$^{3+}$ S=3/2 ions on a kagom\'{e} lattice. In a sample...
Is a doped 'Kondo' insulator different from doped Silicon? (1997)
DiTusa, J. F., Friemelt, K., Bucher, E., Aeppli, G., Ramirez, A. P.
We have observed the metal-insulator transition in the strongly correlated insulator FeSi with the chemical substitution of Al at the Si site. The magnetic susceptibility, heat capacity, and field...
Thermoelectric and magnetic properties of Cr1-xVxSi2 solid solutions (1997)
Hohl, H., Ramirez, A.P., Palstra, T.T.M., Bucher, E.
Cr1-xVxSi2 solid solutions have been prepared in the range 0≤x≤1. The thermopowers, resistivities, and magnetic susceptibilities of the solid solutions vary smoothly with composition and reveal a...
Two routes to metallic behavior for a Kondo insulator (1996)
Schroeder, A., Aeppli, G., Mason, T. E., Bucher, E., Broholm, C., Clausen, K. N.
Cold neutron spectroscopy was performed on CeNi_{1-x}Cu_xSn to investigate how the magnetic gap in the 'Kondo insulator' CeNiSn is destroyed by temperature (T), chemical substitution (x), and...
Magneto-optical studies of magnetic defects in CeNiSn (1996)
Singleton, J., Hill, S.O., Ardavan, A., Matsui, H., Blundel, S.J., Hayes, W., ...
Antiferromagnetism and Its Relation to the Superconducting Phases of UPt3 (1995)
Isaacs, E.D., Zschack, P., Broholm, C.L., Burns, C., Aeppli, G., Ramirez, A.P., ...
Using magnetic x-ray and neutron diffraction in UPt3, we find that a suppression of the antiferromagnetic scattering intensity in the superconducting phase is due to a reduction in the magnitude of...
Magnetic fluctuations in heavy-fermion metals (1995)
Mason, T.E., Petersen, T., Aeppli, G., Buyers, W.J.L., Bucher, E., Garret, J.D., ...
Nonlinear susceptibility measurements in heavy fermion systems (1994)
Chandra, H., Ramirez, A.P., Coleman, P., Bruck, E.H., Menovsky, A.A., Fisk, Z., ...
Spin Gap and Antiferromagnetic Correlations in the Kondo Insulator CeNiSn (1992)
Mason, T.E., Aeppli, G., Ramirez, A.P., Clausen, K.N., Broholm, C., Stücheli, N., ...
Neutron scattering measurements show that the crossover (at T≈≤10 K) from metallic heavy-fermion to semiconducting behavior coincides with the formation of a gap in the magnetic excitation...
Nonlinear Susceptibility As a Probe of Tensor Spin Order in URu2Si2 (1992)
Ramirez, A.P., Coleman, P., Bruck, E.H., Chandra, P., Menovsky, A.A., Fisk, Z., ...
Pressure-induced valence instability in Sm4Bi3 (1979)
Sm4Bi3 has the anti-Th3P4 (cubic) structure with three Sm2+ ions and one Sm3+ ion. The compound undergoes a first-order, isostructural transition at about 26 kbar. The resistance abruptly decreases...
Pressure-induced valence instability in Sm4Bi3 (1979)
Sm4Bi3 has the anti-Th3P4 (cubic) structure with three Sm2+ ions and one Sm3+ ion. The compound undergoes a first-order, isostructural transition at about 26 kbar. The resistance abruptly decreases...
Pressure-induced valence instability in Sm4Bi3 (1979)
Sm4Bi3 has the anti-Th3P4 (cubic) structure with three Sm2+ ions and one Sm3+ ion. The compound undergoes a first-order, isostructural transition at about 26 kbar. The resistance abruptly decreases...
LOW TEMPERATURE MÖSSBAUER STUDIES OF THULIUM COMPOUNDS (1974)
Triplett, B., Dixon, N., Boolchand, P., Hanna, S., Bucher, E.
We discuss studies of TmVO4, TmF2, TmF3 and TmSe utilizing the 8.4 keV Mössbauer resonance in 169Tm. The studies cover a temperature range from 0.050 K to 365 K and Mössbauer information is derived...
LOW TEMPERATURE MÖSSBAUER STUDIES OF THULIUM COMPOUNDS (1974)
Triplett, B., Dixon, N., Boolchand, P., Hanna, S., Bucher, E.
We discuss studies of TmVO4, TmF2, TmF3 and TmSe utilizing the 8.4 keV Mössbauer resonance in 169Tm. The studies cover a temperature range from 0.050 K to 365 K and Mössbauer information is derived...
LOW TEMPERATURE MÖSSBAUER STUDIES OF THULIUM COMPOUNDS (1974)
Triplett, B., Dixon, N., Boolchand, P., Hanna, S., Bucher, E.
We discuss studies of TmVO4, TmF2, TmF3 and TmSe utilizing the 8.4 keV Mössbauer resonance in 169Tm. The studies cover a temperature range from 0.050 K to 365 K and Mössbauer information is derived...
Pressure-induced 4f-5d electron collapse in ytterbium monotelluride (1971)
Chatterjee, A, Singh, AK, Jayaraman, A, Bucher, E
The pressure-volume relationship in YbTe has been studied by high-pressure x-ray diffraction up to 300Kbar.This relationship is anomalous in the region 150-190Kbar indicating a continuous electronic...
Bucher, E., Andres, K., Maita, J., Cooper, A., Longinotti, L.
A review is given of new nonordering Pr and Tm compounds, including some of their fundamental parameters, which are suitable for the generation of superlow temperatures by nuclear adiabatic...
Bucher, E., Andres, K., Maita, J., Cooper, A., Longinotti, L.
A review is given of new nonordering Pr and Tm compounds, including some of their fundamental parameters, which are suitable for the generation of superlow temperatures by nuclear adiabatic...
Bucher, E., Andres, K., Maita, J., Cooper, A., Longinotti, L.
A review is given of new nonordering Pr and Tm compounds, including some of their fundamental parameters, which are suitable for the generation of superlow temperatures by nuclear adiabatic...
Two routes to metallic behavior for a Kondo insulator (1970)
A. Schroder, T. E. Mason, E. Bucher, C. Broholm, K. N. Clausen
Cold neutron spectroscopy was performed on CeNi 1-x Cu x Sn to investigate how the magnetic gap in the 'Kondo insulator' CeNiSn is destroyed by temperature (T ), chemical substitution (x), and...
Kemler, I, Bucher, E, Seipel, K, Müller-Immerglück, M M, Schaffner, W
Immunoglobulin (Ig) gene promoters contain the octamer sequence motif ATGCAAAT which is recognized by cellular transcription factors (Oct factors). Besides the ubiquitous Oct-1 factor, there is also...
Kemler, I, Bucher, E, Seipel, K, Müller-Immerglück, M M, Schaffner, W
Immunoglobulin (Ig) gene promoters contain the octamer sequence motif ATGCAAAT which is recognized by cellular transcription factors (Oct factors). Besides the ubiquitous Oct-1 factor, there is also...