K. A. Hempel - Concepedia

Author

K. A. Hempel

RWTH Aachen University

Also Known As

K. A. HEMPEL, K. A. Hempel, K. Hempel, K.-A. Hempel, K.A. Hempel, Karl August Hempel

158

Publications

941

Citations

H-Index

Concepts

All Affiliations

RWTH Aachen University FH Aachen

About

K. A. Hempel is an author at RWTH Aachen University specializing in engineering, magnetism, and natural sciences.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	14	26	730
2	Natural Sciences	13	20	560
3	Applied Physics	11	17	418
4	Education	1	1	41
5	Chemical Engineering	1	1	15

K. A. Hempel

Publications

730

Citations

H-Index

Page 1

	Year	Citations
Formation and microwave absorption of barium and strontium ferrite prepared by sol-gel technique C. Sürig, K. A. Hempel, D. Bonnenberg Applied Physics Letters Magnetic PropertiesEngineeringSr FerritesAnisotropy Field StrengthCeramic Powders	1993	122
Hexaferrite particles prepared by sol-gel technique C. Sürig, K. A. Hempel, D. Bonnenberg IEEE Transactions on Magnetics Magnetic PropertiesEngineeringMagnetic ResonanceAnisotropy Field StrengthChemistry	1994	99
Improved method for the investigation of the rotational magnetization process in electrical steel sheets W. Brix, K. A. Hempel, Frank P. Schulte IEEE Transactions on Magnetics Magnetic PropertiesElectric MachineEngineeringNon-oriented Silicon SteelMechanical Engineering	1984	61
European intercomparison of measurements of rotational power loss in electrical sheet steel J. Sievert, H. Ahlers, M. Birkfeld, Journal of Magnetism and Magnetic Materials Electrical EngineeringElectric MachineEngineeringMechanical EngineeringElectrical Sheet Steel	1996	51
Influence of stoichiometry on hexaferrite structure C. Sürig, K. A. Hempel, Ch. Sauer Journal of Magnetism and Magnetic Materials Materials ScienceCrystal StructureHexaferrite StructureEngineeringCrystallography	1996	47
Improvement of sensitivity of the vibrating reed magnetometer Hans Richter, K. A. Hempel, Jérôme Pfeiffer Review of Scientific Instruments EngineeringMeasurementHysteresis LoopMagnetic ResonanceEducation	1988	41
High sensitivity vibrating reed magnetometer W. Roos, K. A. Hempel, C. Voigt, Review of Scientific Instruments Magnetic PropertiesEngineeringMechanical EngineeringMagnetic ResonanceMagnetic Materials	1980	40
Method for the measurement of rotational power loss and related properties in electrical steel sheets; W. Brix, K. A. Hempel, Werner Schroeder IEEE Transactions on Magnetics Magnetic PropertiesElectric MachineEngineeringMechanical EngineeringRelated Properties	1982	33
Magnetization reversal in microparticles of barium ferrite W. Roos, C. Voigt, H. Dederichs, Journal of Magnetism and Magnetic Materials MagnetismFerromagnetismEngineeringPhysicsNatural Sciences	1980	19
Investigations on Zn2−xCoxW-type hexaferrite powders at low temperatures by ferromagnetic resonance C. Sürig, K. A. Hempel, Robert Müller, Journal of Magnetism and Magnetic Materials Materials ScienceMagnetismFerromagnetismLow TemperaturesEngineering	1995	17

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