Phonon sidebands of intersubband absorption in AlGaN/GaN high-electron-mobility transistors (2008)
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, Jeff, ...
Femtosecond two-color pump-probe experiments in the mid-infrared are performed on intersubband transitions in a GaN/Al0.8Ga0.2N heterostructure. In these experiments, we observe around zero time...
Phonon sidebands of intersubband absorption in AlGaN/GaN high-electron-mobility transistors (2008)
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, Jeff, ...
Femtosecond two-color pump-probe experiments in the mid-infrared are performed on intersubband transitions in a GaN/Al0.8Ga0.2N heterostructure. In these experiments, we observe around zero time...
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, Jeff, ...
Ultrafast electron dynamics in the inversion layer of an AlGaN/GaN transistor is studied in pump–probe experiments with 50 fs mid-infrared pulses. Two-colour pump–probe measurements show an...
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, Jeff, ...
Ultrafast electron dynamics in the inversion layer of an AlGaN/GaN transistor is studied in pump–probe experiments with 50 fs mid-infrared pulses. Two-colour pump–probe measurements show an...
Ultrafast hole burning in intersubband absorption lines of GaN/AlN superlattices (2008)
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Baumann, E., ...
The authors present evidence for a distinct optical phonon progression in the nonlinear intersubband absorption spectra of electrons in a GaN/AlN superlattice. Femtosecond two-color pump-probe...
Ultrafast hole burning in intersubband absorption lines of GaN/AlN superlattices (2008)
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Baumann, E., ...
The authors present evidence for a distinct optical phonon progression in the nonlinear intersubband absorption spectra of electrons in a GaN/AlN superlattice. Femtosecond two-color pump-probe...
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, J., ...
We present the first evidence for a distinct optical phonon progression in the linear and nonlinear intersubband absorption spectra of electrons in a GaN/Al0.8Ga0.2N heterostructure. Femtosecond...
Wang, Z., Reimann, K., Woerner, M., Elsaesser, T., Hofstetter, Daniel, Hwang, J., ...
We present the first evidence for a distinct optical phonon progression in the linear and nonlinear intersubband absorption spectra of electrons in a GaN/Al0.8Ga0.2N heterostructure. Femtosecond...
Buecking, Norbert, Butscher, S., Richter, M., Weber, C., Declair, S., Woerner, M., ...
A theory of electron relaxation for electron gases in semiconductor quantum well structures and at semiconductor surfaces is presented. The electron relaxation is described by quantum-kinetic...
Thermal evolution of free volumes and of crystallization in amorphous Si-B-C-N ceramics (2006)
Reichle, K. J., Reimann, K., Sprengel, W., Rempel, A. A., Müller, A.
Wu,Y. C., Sprengel,W., Reimann,K., Reichle,K. J., Goll,D., Würschum,R., ...
Wu,Y. C., Ye,F., Barbe,V., Sprengel,W., Reimann,K., Reichle,K. J., ...
Electron-phonon renormalization of the absorption edge of the cuprous halides (2002)
Serrano, J., Schweitzer, C., Lin, C. T., Reimann, K., Cardona, M., Fröhlich, D.
We report the isotope effects of copper and bromine on the gap of CuBr, and that of copper on the gap of CuI. The measured isotope effects reveal an anomalous negative shift with increasing copper...
Kuenzel, H., Biermann, K., Boettcher, J., Harde, P., Kurtzweg, M., Schneider, R., ...
The crystalline and carrier trapping properties of 1.55 mu m emitting beryllium doped GaInAs/AlInAs multiple quantum wells, grown by MBE at low temperatures, were investigated with respect to their...
Biermann, K., Nickel, D., Reimann, K., Woerner, M., Elsässer, T., Künzel, H.
The ultrafast optical response of low-temperature grown aInAs/AlInAs multiple quantum wells is studied in pump-probe experiments with a femtosecond Er:fiber laser. As-grown samples doped with...
Electron-phonon renormalization of the absorption edge of the cuprous halides (2001)
Serrano, J., Schweitzer, Ch., Lin, C. T., Reimann, K., Cardona, M., Froehlich, D.
Compared to most tetrahedral semiconductors, the temperature dependence of the absorption edges of the cuprous halides (CuCl, CuBr, CuI) is very small. CuCl and CuBr show a small increase of the gap...
Thermal vacancy formation and D03 ordering in nanocrystalline intermetallic (Fe3Si)95Nb5 (2001)
Pasquini, L., Rempel, A. A., Würschum, R., Reimann, K., Müller, M. A., Fultz, B., ...
The correlation between thermal vacancy characteristics and D0(3) ordering in ball-milled nanocrystalline (Fe3Si)(95)Nb-5 was studied by combined measurements of x-ray diffraction and positron...
Effects of the isotopic composition on the fundamental gap of CuCl. (1998)
Göbel, A., Ruf, T., Cardona, M., Lin, C. T., Wrzesinski, J., Steube, M., ...
. This paper describes a petri net inspired interaction specification formalism with an application to a radio on demand service: InfoRadio-on-Demand. A prototype of a Tele Commerce application with...
Alexander, M.G.W., Nido, M., Rühle, W.W., Reimann, K., Ploog, K., Köhler, K.
Non-resonant electron tunneling through a 6nm thick Al sub 0.35 Ga sub 0.65 As barrier is investigated by time-resolved photoluminescence. Application of hydrostatic pressure at 5 K reveals that...
Alexander, M.G.W., Nido, M., Reimann, K., Rühle, W.W., Köhler, K.
Time-resolved photoluminescence in the picosecond rgime is performed on an asymmetric GaAs/Al0.356G0.65As double quantum well structure with a barrier thickness of 6 nm to obtain the Gamma - and...
VISUALIZATION OF ULTRASONIC-BEAM DISTORTION IN ANISOTROPIC STAINLESS STEEL (1985)
Claytor, T., Kupperman, D., Reimann, K.
The inspection of cast stainless steel and stainless steel piping with a weld overlay is an important nondestructive testing problem in the nuclear industry. The ultrasonic inspection of these...
VISUALIZATION OF ULTRASONIC-BEAM DISTORTION IN ANISOTROPIC STAINLESS STEEL (1985)
Claytor, T., Kupperman, D., Reimann, K.
The inspection of cast stainless steel and stainless steel piping with a weld overlay is an important nondestructive testing problem in the nuclear industry. The ultrasonic inspection of these...
VISUALIZATION OF ULTRASONIC-BEAM DISTORTION IN ANISOTROPIC STAINLESS STEEL (1985)
Claytor, T., Kupperman, D., Reimann, K.
The inspection of cast stainless steel and stainless steel piping with a weld overlay is an important nondestructive testing problem in the nuclear industry. The ultrasonic inspection of these...
Isolation of the outer membranes from Treponema pallidum and Treponema vincentii.
Blanco, D R, Reimann, K, Skare, J, Champion, C I, Foley, D, Exner, M M, ...
The outer membranes from Treponema pallidum subsp. pallidum and Treponema vincentii were isolated by a novel method. Purified outer membranes from T. pallidum and T. vincentii following sucrose...
Isolation of the outer membranes from Treponema pallidum and Treponema vincentii.
Blanco, D R, Reimann, K, Skare, J, Champion, C I, Foley, D, Exner, M M, ...
The outer membranes from Treponema pallidum subsp. pallidum and Treponema vincentii were isolated by a novel method. Purified outer membranes from T. pallidum and T. vincentii following sucrose...
Gonococcal serology. A comparison of three different tests.
Oranje, A P, Reimann, K, Van Eijk, R V, Schouten, H J, De Roo, A, Tideman, G J, ...
Three serological tests for the detection of gonococcal antibodies were compared: an enzyme-linked immunosorbent assay (ELISA), an indirect haemagglutination reaction (IHA), and a gonococcal...
Oranje, A P, Reimann, K, De Roo, A, Schouten, H J, Stolz, E, Michel, M F
Antibodies to pilar antigens of two gonococcal strains isolated in Rotterdam (6650 and 1443) were detected using enzyme-linked immunosorbent assays (ELISA). Paired sera (the first sample taken at the...
Indirect haemagglutination test using gonococcal pilus antigen: how useful to diagnose gonorrhoea?
Reimann, K, Odum, L, Larsen, S O, Lind, I
In 1979 an indirect haemagglutination test (gonococcal antibody test) using gonococcal pilus antigen replaced the gonococcal complement fixation test as our routine procedure to show gonococcal...
Lind, I, Arborio, M, Bentzon, M W, Buisson, Y, Guibourdenche, M, Reimann, K, ...
A total of 460 Neisseria gonorrhoeae isolates from patients seen at three clinics in Dakar, Sénégal, 1982-1986, have been investigated. In this period a significant change in antimicrobial...
Seroepidemiological study of gonorrhoea in Ethiopian women. 1. Prevalence and clinical significance.
Duncan, M E, Reimann, K, Tibaux, G, Pelzer, A, Mehari, L, Lind, I
OBJECTIVE--To measure the prevalence of gonorrhoea in Ethiopian women attending gynaecologic, obstetric and family planning clinics: to determine the reliability of patient self history of sexually...
Seroepidemiological study of gonorrhoea in Ethiopian women. 2. Socioeconomic picture.
Duncan, M E, Reimann, K, Tibaux, G, Pelzer, A, Mehari, L, Lind, I
OBJECTIVES--To determine aetiological factors associated with the prevalence of gonorrhoea in Ethiopian women to enable subsequent formulation of intervention policies. SUBJECTS--1851 Ethiopian...