Andres, D., Kartsovnik, M. V., Biberacher, W., Neumaier, K., Sheikin, I., Mueller, H.
Successive magnetic-field-induced charge-density-wave transitions in the molecular conductor $\alpha$-(BEDT-TTF)$_2$KHg(SCN)$_4$ are studied in the hydrostatic pressure regime, in which the zero...
Andres, D., Kartsovnik, M. V., Biberacher, W., Neumaier, K., Schuberth, E., Mueller, H.
The superconducting transition in the layered organic compound \alpha-(BEDT-TTF)_2KHg(SCN)_4 has been studied in the two hydrostatic pressure regimes where a charge-density wave is either present or...
Scaling of the magnetic entropy and magnetization in YbRh2(Si0.95Ge0.05)2 (2005)
Gegenwart,P., Tokiwa,Y., Neumaier,K., Geibel,C., Steglich,F.
Scaling of the magnetic entropy and magnetization in YbRh2(Si0.95Ge0.05)2 (2005)
Gegenwart, P., Tokiwa, Y., Neumaier, K., Geibel, C., Steglich, F.
Scaling of the magnetic entropy and magnetization in YbRh_2(Si_{0.95}Ge_{0.05})_2 (2004)
Gegenwart, P., Tokiwa, Y., Neumaier, K., Geibel, C., Steglich, F.
The magnetic entropy of YbRh_2(Si_{0.95}Ge_{0.05})_2 is derived from low-temperature ($T\geq 18$ mK) specific heat measurements. Upon field-tuning the system to its antiferromagnetic quantum critical...
Divergence of the Grüneisen Ratio at Quantum Critical Points in Heavy Fermion Metals (2003)
Küchler,R., Oeschler,N., Gegenwart,P., Cichorek,T., Neumaier,K., Tegus,O., ...
Divergence of the Grueneisen Ratio at Quantum Critical Points in Heavy Fermion Metals (2003)
Kuechler, R., Oeschler, N., Gegenwart, P., Cichorek, T., Neumaier, K., Tegus, O., ...
We present low-temperature volume thermal expansion, $\beta$, and specific heat, $C$, measurements on high-quality single crystals of CeNi2Ge2 and YbRh2(Si$_{0.95}$Ge$_{0.05}$)$_2$ which are located...
The break-up of heavy electrons at a quantum critical point (2003)
Custers,J., Gegenwart,P., Wilhelm,H., Neumaier,K., Tokiwa,Y., Trovarelli,O., ...
The break up of heavy electrons at a quantum critical point (2003)
Custers, J., Gegenwart, P., Wilhelm, H., Neumaier, K., Tokiwa, Y., Trovarelli, O., ...
The point at absolute zero where matter becomes unstable to new forms of order is called a quantum critical point (QCP). The quantum fluctuations between order and disorder that develop at this point...
Quantum criticality in YbRh2Si2 (2003)
Custers,J., Gegenwart,P., Neumaier,K., Wilhelm,H., Oeschler,N., Ishida,K., ...
Recent trends in heavy-fermion physics (2003)
Steglich,F., Sato,N. K., Aso,N., Gegenwart,P., Custers,J., Neumaier,K., ...
Divergence of the Gruneisen ratio at quantum critical points in heavy fermion metals (2003)
Kuchler, R., Oeschler, N., Gegenwart, P., Cichorek, T., Neumaier, K., Tegus, O., ...
Spin blockade in ground-state resonance of a quantum dot (2003)
Hüttel, A. K., Qin, H., Holleitner, A. W., Blick, R. H., Neumaier, K., Weinmann, D., ...
Quantum criticality in YbRh2Si2 (2003)
Custers, J., Gegenwart, P., Neumaier, K., Wilhelm, H., Oeschler, N., Ishida, K., ...
The break-up of heavy electrons at a quantum critical point (2003)
Custers, J., Gegenwart, P., Wilhelm, H., Neumaier, K., Tokiwa, Y., Trovarelli, O., ...
Divergence of the Grüneisen Ratio at Quantum Critical Points in Heavy Fermion Metals (2003)
Küchler, R., Oeschler, N., Gegenwart, P., Cichorek, T., Neumaier, K., Tegus, O., ...
Recent trends in heavy-fermion physics (2003)
Steglich, F., Sato, N. K., Aso, N., Gegenwart, P., Custers, J., Neumaier, K., ...
Andres, D., Kartsovnik, M. V., Biberacher, W., Neumaier, K., Mueller, H.
We present direct evidence of a superconducting state existing in the title compound below 300 mK under quasi-hydrostatic pressure. The superconducing transition is observed in the whole pressure...
Magnetic-Field Induced Quantum Critical Point in YbRh2Si2 (2002)
Gegenwart,P., Custers,J., Geibel,C., Neumaier,K., Tayama,T., Tenya,K., ...
We report low-temperature calorimetric, magnetic, and resistivity measurements on the antiferromagnetic (AF) heavy- fermion metal YbRh2Si2 ( T-N=70 mK) as a function of magnetic field B. While for...
Magnetic-Field Induced Quantum Critical Point in YbRh$_2$Si$_2$ (2002)
Gegenwart, P., Custers, J., Geibel, C., Neumaier, K., Tayama, T., Tenya, K., ...
We report low-temperature calorimetric, magnetic and resistivity measurements on the antiferromagnetic (AF) heavy-fermion metal YbRh$_2$Si$_2$ (${T_N =}$ 70 mK) as a function of magnetic field $B$....
Magnetic-Field Induced Quantum Critical Point in YbRh2Si2 (2002)
Gegenwart, P., Custers, J., Geibel, C., Neumaier, K., Tayama, T., Tenya, K., ...
We report low-temperature calorimetric, magnetic, and resistivity measurements on the antiferromagnetic (AF) heavy- fermion metal YbRh2Si2 ( T-N=70 mK) as a function of magnetic field B. While for...
Spin blockade in ground state resonance of a quantum dot (2001)
Huettel, A. K., Qin, H., Holleitner, A. W., Blick, R. H., Neumaier, K., Weinmann, D., ...
We present measurements on spin blockade in a laterally integrated quantum dot. The dot is tuned into the regime of strong Coulomb blockade, confining ~ 50 electrons. At certain electronic states we...
Gritsch, S., Neumaier, K., Schmitt, L., Tampe, R.
In molecular biology, biotechnology, and protein-engineering, the expression of histidine fusion proteins is a very powerful technique for the identification and one-step purification based on the...
A dilution refrigerator insert for standard ILL cryostats (1984)
Neumaier, K., Heidemann, A., Magerl, A.
In order to extend the temperature range of Standard ILL cryostats (300-1.2 K) the sample stick was replaced by a dilution refrigerator insert with a minimum no-lead temperature of 19 mK and a...
Sample environment at low temperatures (1984)
A review of low temperature techniques as applied to neutron scattering studies is presented. Methods of temperature measurements especially carbon thermometry are discussed. Problems of heat...
A dilution refrigerator insert for standard ILL cryostats (1984)
Neumaier, K., Heidemann, A., Magerl, A.
In order to extend the temperature range of Standard ILL cryostats (300-1.2 K) the sample stick was replaced by a dilution refrigerator insert with a minimum no-lead temperature of 19 mK and a...
Sample environment at low temperatures (1984)
A review of low temperature techniques as applied to neutron scattering studies is presented. Methods of temperature measurements especially carbon thermometry are discussed. Problems of heat...
A dilution refrigerator insert for standard ILL cryostats (1984)
Neumaier, K., Heidemann, A., Magerl, A.
In order to extend the temperature range of Standard ILL cryostats (300-1.2 K) the sample stick was replaced by a dilution refrigerator insert with a minimum no-lead temperature of 19 mK and a...
Sample environment at low temperatures (1984)
A review of low temperature techniques as applied to neutron scattering studies is presented. Methods of temperature measurements especially carbon thermometry are discussed. Problems of heat...
Locatelli, M., Neumaier, K., Wiph, H.
The thermal conductivity of H, D, N doped Nb crystals has been measured between 0.07 K and 1.5 K. The results show the evidence of tunneling of hydrogen or deuterium trapped by interstitial nitrogen...
Locatelli, M., Neumaier, K., Wiph, H.
The thermal conductivity of H, D, N doped Nb crystals has been measured between 0.07 K and 1.5 K. The results show the evidence of tunneling of hydrogen or deuterium trapped by interstitial nitrogen...
Locatelli, M., Neumaier, K., Wiph, H.
The thermal conductivity of H, D, N doped Nb crystals has been measured between 0.07 K and 1.5 K. The results show the evidence of tunneling of hydrogen or deuterium trapped by interstitial nitrogen...