Journal ArticleDOI
Comment on ’’Transverse 1/f noise in InSb thin films and the signal‐to‐noise ratio of related Hall elements’’
TLDR
The experiments of Kotera et al. as mentioned in this paper on InSb thin-film Hall elements can be interpreted with existing noise calculations on four-probe configurations, which can be found in Table 1.Abstract:
The experiments of Kotera et al. on InSb thin‐film Hall elements can be interpreted with existing noise calculations on four‐probe configurations.read more
Citations
More filters
Journal ArticleDOI
Integrated semiconductor magnetic field sensors
Henry Baltes,Radivoje Popovic +1 more
TL;DR: In this article, the authors present a review of magnetic field sensors based on III-V semiconductors, including Hall plates, magnetic field effect transistors, vertical and lateral bipolar magnetotransistors, magnetodiodes, and current domain magnetometers.
Journal ArticleDOI
Optimization of 2DEG InAs/GaSb Hall Sensors for Single Particle Detection
TL;DR: In this paper, a measurement system based on a micro-sized Hall sensor made of an asymmetric 2DEG InAs/GaSb-based heterostructure is presented.
Journal ArticleDOI
Size dependence of microscopic Hall sensor detection limits.
TL;DR: The magnetic field detection limits of microscopic Hall sensors are investigated as a function of their lateral size and a clear size dependence of the detection limit is observed, whereas at low temperatures this dependence is found to disappear.
Journal ArticleDOI
Highly sensitive micro-Hall devices based on Al0.12In0.88Sb∕InSb heterostructures
Vas. P. Kunets,W. Black,Yu. I. Mazur,D. Guzun,Gregory J. Salamo,N. Goel,Tetsuya Mishima,David A. Deen,S. Q. Murphy,M. B. Santos +9 more
TL;DR: In this article, an Al0.12In0.88Sb∕InSb heterostructures are fabricated and studied in terms of sensitivity and noise, and a measured detection limit per unit device width of 630pTmmHz−1∕2 is reported indicating the potential for picotesla detectivity.
Journal ArticleDOI
InAs quantum well Hall devices for room-temperature detection of single magnetic biomolecular labels
TL;DR: In this paper, a phase-sensitive measurement technique was used to detect a single 1.2μm diameter bead with a signal-to-noise ratio of ∼33.3dB.
References
More filters
Journal ArticleDOI
1/f noise
TL;DR: A survey is given of the recent literature on 1/ f noise and proposed models for mathematical models, empirical relations and physical models are discussed.
Journal ArticleDOI
Conductance noise investigations with four arbitrarily shaped and placed electrodes
TL;DR: In this paper, the spectral noise density of the voltage between two arbitrarily shaped and placed sensor electrodes on a conductor was derived for conductivity fluctuations due to 1/f noise by using empirical 1 /f noise relations.
Journal ArticleDOI
Theory of noise investigations on conductors with the four‐probe method
TL;DR: In this article, a general relation for the spectral noise density of the ac open-circuit voltage fluctuations between two point electrodes in a homogeneous conductor with conductivity fluctuations is derived for a number of conductors with specified dimensions and specified current electrodes.
Journal ArticleDOI
Hall‐effect noise in semiconductors
TL;DR: In this article, the influence of magnetic induction on the noise voltage between two point electrodes in a homogeneous semiconductor has been investigated both theoretically and experimentally, assuming that the conductivity fluctuations are caused either by mobility fluctuations or by free carrier density fluctuations.
Journal ArticleDOI
Transverse 1/f noise in InSb thin films and the signal‐to‐noise ratio of related Hall elements
TL;DR: In this article, the signal-to-noise ratio of related Hall elements is formulated for the first time for audio magnetic heads applications, and linear dependence of noise voltage on dc bias current is shown quantitatively.