Prof. Dr. habil. Jürgen Hartmann
Persönliche Daten
Titel
Prof. Dr. habil.
Vorname
Jürgen
Nachname
Hartmann
Telefonnummer
+49 9721 940 - 8606
Weitere Telefonnummer
+49 173 1593525
E-Mail Adresse
Abteilung / Funktion / Ausstattung an der FHWS
Fakultät
FE (Elektrotechnik)
Institut
IEHT (Institut für Energie- und Hochspannungstechnik (im Kompetenzzentrum Mainfranken))
Funktion im Institut
Mitarbeit
Funktion in der FHWS
- Vizepräsident(in)
- Promotionsbeauftragte(r)
Labor
Messtechnik
Laborausstattung
LWIR und MWIR Thermographiekameras
Strahlungsthermometer / Pyrometer
UV-VIS-NIR Spektrometer
Hochtemperaturöfen
Rasterkraftmikroskope
Strahlungsthermometer / Pyrometer
UV-VIS-NIR Spektrometer
Hochtemperaturöfen
Rasterkraftmikroskope
Lehrgebiete
Elektrische Messtechnik, optothermische Sensorikund Grundlagen der Elektrotechnik
Einordnung in DFG Systematik der Fächer
Naturwissenschaften
- Festkörper- und Oberflächenchemie, Materialsynthese
- Physikalische Chemie von Festkörpern und Oberflächen, Materialcharakterisierung
- Optik, Quantenoptik, Physik der Atome, Moleküle und Plasmen
Ingenieurwissenschaften
- Elektrische Energieerzeugung, -übertragung, -verteilung und - anwendung
- Energieverfahrenstechnik
- Herstellung und Eigenschaften von Funktionsmaterialien
- Messsysteme
- Metallurgische und thermische Prozesse und thermomechanische Behandlung von Werkstoffen
- Mikrosysteme
- Thermodynamik und Kinetik von Werkstoffen
Forschungsaktivität
Forschungsgebiete
Radiometrie, Photometrie, Lichtmesstechnik, Thermophysikalische Materialuntersuchung
Thermometrie
Thermometrie
Bisherige Forschungstätigkeiten
Energieeffizienz von Turbinen
Hochtemperaturmesstechnik
Entwicklung von Hochtemepertur-Fixpunkte auf Basis von eutektischen Metal-Kohlenstoff Legierungen
Thermophysikalische Materialuntersuchung bei hohen Temperaturen
Hochtemperaturmesstechnik
Entwicklung von Hochtemepertur-Fixpunkte auf Basis von eutektischen Metal-Kohlenstoff Legierungen
Thermophysikalische Materialuntersuchung bei hohen Temperaturen
Bisherige Beratungstätigkeiten
Radiometrie, Photomertrie
Thermophysik und Thermometrie
Leiter des VDI-Technikforum "Technik der Messung hoher Temperaturen"
Thermophysik und Thermometrie
Leiter des VDI-Technikforum "Technik der Messung hoher Temperaturen"
Gutachtertätigkeit
• Fachzeitschriften - Journal of Applied Physics, Applied Physics Letters, Applied Optics High-Temperatures High-Pressure, Metrologia, Measurement Science and Technology, International Journal of Thermophysics • Berliner FuE-Mittelstandsförderprogramm bei der Investitionsbank Berlin • Carl-Zeiss-Stiftung Doktoranden- und Postdoktorandenprogramm
Kompetenzcluster der FHWS
- Energietechnik & Energieeffizenz
- Mensch-Umwelt-Kommunikation
- Neue Materialien
- Smarte Produktion
Persönliche Vernetzung und Auszeichnungen
Mitgliedschaft Fachgremien / Verbänden
LiTG, DGM, DPG, VDI, Gefta
Publikationen
Sammelwerke
J. Hartmann, F. Bernhard: Kapitel 13 „Strahlungsthermometrie“ im Buch „Technische Temperaturmessung“ Frank Bernhard (Hrsg.) ISBN 978-3-642-24505-3, Springer-Verlag 2. Auflage 2014
J. Hartmann, J. Hollandt, F. Sakuma, B. Khlevnoy, S. Morozova: Blackbody and other Calibration Sources, in Radiometric Temperature Measurements Part I Fundamentals,
Z. M. Zhang, B. K. Tsai, G. Machin (eds)
Experimental Methods in the Physical Sciences, Volume 42, Elsevier Academic Press, Amsterdam (2009), pp 241-295, ISBN 978-0-12-374021-2
J. Hollandt, J. Hartmann, O. Struß, R. Gaertner, J. Ishii: Industrial Applications of Radiation Thermometry, in Radiometric Temperature Measurements Part II. Applications,
Z. M. Zhang, B. K. Tsai, G. Machin (eds) Experimental Methods in the Physical Sciences, Volume 43, Elsevier Academic Press,
Amsterdam (2009), pp 1-56, ISBN-13: 978-0-12-375091-4
E.F.J. Ring, J. Hartmann, K. Ammer, D. Land, R. Thomas, J. W. Hand: Infrared and Microwave Medical Thermometry ,
in Radiometric Temperature Measurements Part II. Applications,
Z. M. Zhang, B. K. Tsai, G. Machin (eds) Experimental Methods in the Physical Sciences, Volume 43, Elsevier Academic Press,
Amsterdam (2009), pp 393-448, ISBN-13: 978-0-12-375091-4
J. Hartmann, M. Reichling: Thermal transport in diamond, in Properties and growth of diamond, H. Nazaré, A.J. Neves (eds.), EMIS Data Review, chapter A1.5, Institution of Electrical Engineers, London (2001)
M. Reichling, J. Hartmann: Thermal characterization of diamond materials, in Properties and growth of diamond, H. Nazaré, A.J. Neves (eds.), EMIS Data Review, chapter A2.1, Institution of Electrical Engineers, London (2001)
J. Hartmann, J. Hollandt, F. Sakuma, B. Khlevnoy, S. Morozova: Blackbody and other Calibration Sources, in Radiometric Temperature Measurements Part I Fundamentals,
Z. M. Zhang, B. K. Tsai, G. Machin (eds)
Experimental Methods in the Physical Sciences, Volume 42, Elsevier Academic Press, Amsterdam (2009), pp 241-295, ISBN 978-0-12-374021-2
J. Hollandt, J. Hartmann, O. Struß, R. Gaertner, J. Ishii: Industrial Applications of Radiation Thermometry, in Radiometric Temperature Measurements Part II. Applications,
Z. M. Zhang, B. K. Tsai, G. Machin (eds) Experimental Methods in the Physical Sciences, Volume 43, Elsevier Academic Press,
Amsterdam (2009), pp 1-56, ISBN-13: 978-0-12-375091-4
E.F.J. Ring, J. Hartmann, K. Ammer, D. Land, R. Thomas, J. W. Hand: Infrared and Microwave Medical Thermometry ,
in Radiometric Temperature Measurements Part II. Applications,
Z. M. Zhang, B. K. Tsai, G. Machin (eds) Experimental Methods in the Physical Sciences, Volume 43, Elsevier Academic Press,
Amsterdam (2009), pp 393-448, ISBN-13: 978-0-12-375091-4
J. Hartmann, M. Reichling: Thermal transport in diamond, in Properties and growth of diamond, H. Nazaré, A.J. Neves (eds.), EMIS Data Review, chapter A1.5, Institution of Electrical Engineers, London (2001)
M. Reichling, J. Hartmann: Thermal characterization of diamond materials, in Properties and growth of diamond, H. Nazaré, A.J. Neves (eds.), EMIS Data Review, chapter A2.1, Institution of Electrical Engineers, London (2001)
Zeitschriftenbeiträge
J. Hartmann, J. Hollandt, P. Meindl, D. Taubert, L. Werner: Traceable Radiometric Calibration of Semiconductor Detectors and their Application for Thermodynamic Temperature Measurement,
MAPAN - Journal of Metrology Society of India 25 3-10 (2010)
K. Anhalt, J. Hartmann, J. Hollandt: Radiation thermometry capabilities of the PTB up to 3200 K, MEASURE 3 26-34 (2008)
F. Edler, J. Hartmann: Kombi-Fixpunktzelle zur Erzielung kleinster metrologischer Unsicherheiten, Sensor Magazin 1/2007 20-21 (2007)
J. Hollandt, J. Hartmann, B. Gutschwager, O. Struss: Strahlungsthermometrie -Temperaturen berührungslos messen,
Automatisierungstechnische Praxis, 6 70-81 (2006)
M. Zänglein, S. Mieke, J. Hartmann: Development of an experimental set-up for the quality assessment of patient simulators for testing non-invasive sphygmomanometer (Measurement, eingereicht)
M. Arduini, T. Stark, M. Zipf, J. Hartmann, J. Manara: Enhanced technique to measure the angular dependent surface emittance from 200°C up to 1600°C, (Meas. Sci. Technol., eingereicht)
J. Manara, M. Zipf, T. Stark, M. Arduini, H.-P. Ebert, A. Tutschke, A. Hallam, J. Hanspal, M. Langley, D. Hodge, J. Hartmann: Long Wavelength Infrared Radiation Thermometry for Non-Contact Temperature Measurements in Gas Turbines;
Infrared Physics & Technology 80 120 - 130 (2017)
J. Hartmann: New Developments in High-Temperature Measurement Techniques, International Journal of Electrical and Computer Engineering Systems 5 (2) 63-67 (2014)
J. Hartmann: High-temperature measurement techniques for the application in photometry radiometry and thermometry, Physics Reports 469 205-269 (2009)
J. Hollandt, R. Friedrich, B. Gutschwager, D.R. Taubert, J. Hartmann, High-Accuracy Radiation Thermometry at the National Metrology Institute of Germany, the PTB,
High Temperatures - High Pressures 35/36(4) 379-415 (2005)
J. Hartmann: New Developments in High-Temperature Measurement Techniques; International Journal of Electrical and Computer Engineering Systems 5 (2) 63-67 (2014)
T. Keawprasert, K. Anhalt, D. R. Taubert, J. Hartmann: Monochromator-based Absolute Calibration of Radiation Thermometers,
International Journal of Thermophysics 32 1697-1706 (2011)
J. Hartmann, K. Anhalt , D. R. Taubert, J. Hollandt: Absolute radiometry for the MeP-K: The irradiance measurement method,
International Journal of Thermophysics 32 1707-1718 (2011)
J. Hartmann, S. Völker: Thermal management of light sources,
International Journal of Thermophysics 32 513–522 (2011)
G. Machin, P. Bloembergen, K. Anhalt, J. Hartmann, M. Sadli, P. Saunders, E. Woolliams, Y. Yamada, H. Yoon: Practical implementation of the mise-en-prtique for the definition of the Kelvin above the silver point,
International Journal of Thermophysics 31 1779 – 1788 (2010)
S. Krenek, K. Anhalt, A. Lindemann, J. Hollandt, J. Hartmann: A dynamic method to measure emissivity at high-temperatures,
International Journal of Thermophysics, 31 998-1010 (2010)
M. Ojanen, K. Anhalt, J. Hartmann, S. Schiller, T. Weckström, P. Kärhä, M. Heinonen, E. Ikonen: Comparison of the radiation temperature scales between MIKES and PTB, Measurement 43 183-189 (2010)
L. Werner, J. Hartmann: Calibration and interpolation of the spectral responsivity of silicon photodiode based detectors,
Sensors & Actuators: A. Physical 156 185-190 (2009)
K. Anhalt, J. Hartmann, D. Lindner, U. Krueger: Camera based investigation of high-temperature fixed-points for radiometric application, Metrologia 46 S260-S265 (2009)
B. Khlevnoy, B. Rougie, C. Gibson, H. Yoon, A. Gaertner, D. Taubert, J. Hartmann: CCPR-S1 Supplementary Comparison for Spectral Radiance in the range of 220 nm to 2500 nm, Metrologia 46 S174-S180 (2009)
R. D. Taubert, C. Monte, B. Gutschwager, C. Baltruschat, J. Hartmann, J. Hollandt, D. Kochems, C. Küchel: The Spectral Photon Flux of the Radiometric Calibration Spectral Source for the NIRSpec Instrument of the James Webb Space Telescope, Metrologia 46 S207-S212 (2009)
G. Thuillier, T. Foujols, D. Bolsée, D. Gillotay, M. Hersé, W. Petermanns, W. Decuyper, H. Mandel, P. Sperfeld, D. R. Taubert, J. Hartmann: SOLAR/SOLSPEC: Scientific objectives, instrument performances and its absolute calibration using a blackbody as primary standard source, Solar Physics 257 185-213 (2009)
M. Sadli, K. Anhalt, S. Schiller, J. Hartmann: Thermal effects in the BB3200pg on M-C eutectic implementation, International Journal of Thermophysics 30 69-76 (2009)
K. Anhalt, A. Zelenjuk, D.R. Taubert, J. Hartmann: New PTB Set-up for the absolute calibration of the spectral responsivity of radiation thermometers; International Journal of Thermophysics 30 192-202 (2009)
K. Anhalt, Y. Wang, Y. Yamada, J. Hartmann: Large and small aperture Fixed-point cells of Cu, Pt-C, and Re-C; International Journal of Thermophysics 29 969–983 (2008)
J Hartmann, L. Werner: Radiation thermometry towards the triple point of water? International Journal of Thermophysics 29 1052–1065 (2008)
D. Lowe, K. Anhalt, J. Hartmann: Construction and validation of a platinum-carbon eutectic fixed-point, Metrologia, 45 325-329 (2008)
F. Edler, J. Hartmann: Simultaneous contact and non-contact measurements of the melting temperature of a Ni-C fixed-point cell,
International Journal of Thermophysics 28 2002-2008 (2007)
G. Machin, P. Bloembergen, J. Hartmann, M. Sadli, Y. Yamada: A concerted international project to establish high-temperature fixed-points for primary thermometry, International Journal of Thermophysics 28 1976-1982 (2007)
J. Seidel, J. Engert, B. Fellmuth, J. Fischer, J. Hartmann, J. Hollandt, E. Tegeler: Die Internationale Temperaturskalen: ITS-90 und PLTS-2000,
PTB Mitteilungen 117(3) 236-242 (2007)
J. Hartmann, F. Edler, K. Anhalt: Neuartige eutektische Metall-Kohlenstoff-Hochtemperaturfixpunkte für die Thermometrie,
PTB Mitteilungen 117(3) 256-260 (2007)
M. Litorja, J. Fowler, J. Hartmann, N. Fox, M. Stock, A. Razet, B. Khlevnoy, E. Ikonen, M. Machacs, K. Doytchinov: Final report on the CCPR-S2 supplementary comparison of area measurements of apertures for radiometry,
Metrologia 44 02002 (2007)
J. Hartmann: Correct consideration of the index of refraction using blackbody radiation,
Optics Express 14(18) 8121-8126 (2006)
J. Hartmann, R. Thomas, K.D Hill, A.G. Steele, C.K. Ma: Bilateral comparison of the NRC and PTB local realizations of the ITS-90 between the silver point and 1700 °C using vacuum tungsten strip lamps as transfer standards,
Metrologia 43 03003 (2006)
K. Anhalt, J. Hartmann, D. Lowe, G. Machin, M. Sadli, Y. Yamada: Thermodynamic temperature determinations of Co-C, Pd-C Pt-C and Ru-C eutectic fixed-points cells, Metrologia 43(2) S78-S83 (2006)
C.K. Ma, J. Hartmann, C. Gibson: Decreasing dependence of the calibration of the tungsten strip lamp on the temperature of the lamp base with increasing filament length, Metrologia 42 383-388 (2005)
D.R. Taubert, R. Friedrich, J. Hartmann, J. Hollandt:
Improved calibration of the spectral responsivity of interference filter radiometers in the visible and near infrared spectral range at PTB
Metrologia 40 S35-S38 (2003)
J. Hartmann: Advanced comparator method for measuring ultra small aperture areas,
Meas. Sci. Techn. 12 1678-1682 (2001)
W. Moritz, U. Roth, M. Heyde, K. Rademann, M. Reichling, J. Hartmann: Submicrosecond range surface heating and temperature measurement for efficient sensor reactivation, Thin Solid Films 391 143-148 (2001)
J. Hartmann, J. Fischer, U. Johannsen, L. Werner: Analytical model for the temperature dependence of the spectral responsivity of silicon,
J. Opt. Soc. Am. B 18 942-947 (2001)
J. Hartmann, J. Fischer, J. Seidel: A non-contact technique providing improved accuracy in area measurements of radiometric apertures,
Metrologia 37 637-640 (2000)
L. Werner, J. Fischer, U. Johannsen, J. Hartmann: Accurate determination of the spectral responsivity of silicon trap detectors between 238 nm and 1015 nm using a laser-based cryogenic radiometer,
Metrologia 37 279-284 (2000)
M. Reichling, T. Klotzbücher, J. Hartmann: Local variation of room temperature thermal conductivity in high quality polycrystalline diamond,
Appl. Phys. Lett. 73 756-758 (1998)
J. Hartmann, M. Costello, M. Reichling: The influence of thermal barriers on heat flow in high quality chemical vapour deposited diamond,
Phys. Rev. Lett. 80 117-120 (1998)
J. Hartmann, P. Voigt, M. Reichling: Measuring local thermal conductivity in polycrystalline diamond with a high resolution photothermal microscope,
J. Appl. Phys. 81 2966 -2977 (1997)
G. Langer, J. Hartmann, M. Reichling: Thermal conductivity of thin metallic films measured with the photothermal profile analysis,
Rev. Sci. Instr. 68 1510 -1513 (1997)
J. Hartmann, P. Voigt, M. Reichling, E. Matthias: Photothermal measurement of thermal anisotropy in pyrolytic graphite,
Appl. Phys. B 62 493 -497 (1996)
H. Verhoeven, J. Hartmann, M. Reichling, W. Müller-Sebert, R. Zachai: Structural limitations to local thermal diffusivity of diamond films,
Diamond and Related Materials 5 1012 -1016 (1996)
P. Voigt, J. Hartmann, M Reichling: Thermal wave imaging of electrically heated microstructures,
J. Appl. Phys. 80 2013 -2018 (1996)
J. Hartmann, M. Reichling, E. Matthias: Thermoreflectance measurements of single thermal barriers in CVD-diamond,
Prog. in Nat. Sci., 6 (suppl.), 297 -300 (1996)
M. Reichling, P. Voigt, J. Hartmann: Quantitative thermal imaging of current densities and heat flow in electronic microstructures,
Prog. in Nat. Sci. 6 (suppl.) 519 -523 (1996)
A.A. Maznev, J. Hartmann, M. Reichling: Thermal wave propagation in thin films on substrates, J. Appl. Phys. 78 5266 -5269 (1995)
J. Hartmann, O. Nilsson, J. Fricke: Thermal diffusivity measurements on two-layered systems with the laser-flash method,
High Temp. - High Press. 25 403 -410 (1993)
MAPAN - Journal of Metrology Society of India 25 3-10 (2010)
K. Anhalt, J. Hartmann, J. Hollandt: Radiation thermometry capabilities of the PTB up to 3200 K, MEASURE 3 26-34 (2008)
F. Edler, J. Hartmann: Kombi-Fixpunktzelle zur Erzielung kleinster metrologischer Unsicherheiten, Sensor Magazin 1/2007 20-21 (2007)
J. Hollandt, J. Hartmann, B. Gutschwager, O. Struss: Strahlungsthermometrie -Temperaturen berührungslos messen,
Automatisierungstechnische Praxis, 6 70-81 (2006)
M. Zänglein, S. Mieke, J. Hartmann: Development of an experimental set-up for the quality assessment of patient simulators for testing non-invasive sphygmomanometer (Measurement, eingereicht)
M. Arduini, T. Stark, M. Zipf, J. Hartmann, J. Manara: Enhanced technique to measure the angular dependent surface emittance from 200°C up to 1600°C, (Meas. Sci. Technol., eingereicht)
J. Manara, M. Zipf, T. Stark, M. Arduini, H.-P. Ebert, A. Tutschke, A. Hallam, J. Hanspal, M. Langley, D. Hodge, J. Hartmann: Long Wavelength Infrared Radiation Thermometry for Non-Contact Temperature Measurements in Gas Turbines;
Infrared Physics & Technology 80 120 - 130 (2017)
J. Hartmann: New Developments in High-Temperature Measurement Techniques, International Journal of Electrical and Computer Engineering Systems 5 (2) 63-67 (2014)
J. Hartmann: High-temperature measurement techniques for the application in photometry radiometry and thermometry, Physics Reports 469 205-269 (2009)
J. Hollandt, R. Friedrich, B. Gutschwager, D.R. Taubert, J. Hartmann, High-Accuracy Radiation Thermometry at the National Metrology Institute of Germany, the PTB,
High Temperatures - High Pressures 35/36(4) 379-415 (2005)
J. Hartmann: New Developments in High-Temperature Measurement Techniques; International Journal of Electrical and Computer Engineering Systems 5 (2) 63-67 (2014)
T. Keawprasert, K. Anhalt, D. R. Taubert, J. Hartmann: Monochromator-based Absolute Calibration of Radiation Thermometers,
International Journal of Thermophysics 32 1697-1706 (2011)
J. Hartmann, K. Anhalt , D. R. Taubert, J. Hollandt: Absolute radiometry for the MeP-K: The irradiance measurement method,
International Journal of Thermophysics 32 1707-1718 (2011)
J. Hartmann, S. Völker: Thermal management of light sources,
International Journal of Thermophysics 32 513–522 (2011)
G. Machin, P. Bloembergen, K. Anhalt, J. Hartmann, M. Sadli, P. Saunders, E. Woolliams, Y. Yamada, H. Yoon: Practical implementation of the mise-en-prtique for the definition of the Kelvin above the silver point,
International Journal of Thermophysics 31 1779 – 1788 (2010)
S. Krenek, K. Anhalt, A. Lindemann, J. Hollandt, J. Hartmann: A dynamic method to measure emissivity at high-temperatures,
International Journal of Thermophysics, 31 998-1010 (2010)
M. Ojanen, K. Anhalt, J. Hartmann, S. Schiller, T. Weckström, P. Kärhä, M. Heinonen, E. Ikonen: Comparison of the radiation temperature scales between MIKES and PTB, Measurement 43 183-189 (2010)
L. Werner, J. Hartmann: Calibration and interpolation of the spectral responsivity of silicon photodiode based detectors,
Sensors & Actuators: A. Physical 156 185-190 (2009)
K. Anhalt, J. Hartmann, D. Lindner, U. Krueger: Camera based investigation of high-temperature fixed-points for radiometric application, Metrologia 46 S260-S265 (2009)
B. Khlevnoy, B. Rougie, C. Gibson, H. Yoon, A. Gaertner, D. Taubert, J. Hartmann: CCPR-S1 Supplementary Comparison for Spectral Radiance in the range of 220 nm to 2500 nm, Metrologia 46 S174-S180 (2009)
R. D. Taubert, C. Monte, B. Gutschwager, C. Baltruschat, J. Hartmann, J. Hollandt, D. Kochems, C. Küchel: The Spectral Photon Flux of the Radiometric Calibration Spectral Source for the NIRSpec Instrument of the James Webb Space Telescope, Metrologia 46 S207-S212 (2009)
G. Thuillier, T. Foujols, D. Bolsée, D. Gillotay, M. Hersé, W. Petermanns, W. Decuyper, H. Mandel, P. Sperfeld, D. R. Taubert, J. Hartmann: SOLAR/SOLSPEC: Scientific objectives, instrument performances and its absolute calibration using a blackbody as primary standard source, Solar Physics 257 185-213 (2009)
M. Sadli, K. Anhalt, S. Schiller, J. Hartmann: Thermal effects in the BB3200pg on M-C eutectic implementation, International Journal of Thermophysics 30 69-76 (2009)
K. Anhalt, A. Zelenjuk, D.R. Taubert, J. Hartmann: New PTB Set-up for the absolute calibration of the spectral responsivity of radiation thermometers; International Journal of Thermophysics 30 192-202 (2009)
K. Anhalt, Y. Wang, Y. Yamada, J. Hartmann: Large and small aperture Fixed-point cells of Cu, Pt-C, and Re-C; International Journal of Thermophysics 29 969–983 (2008)
J Hartmann, L. Werner: Radiation thermometry towards the triple point of water? International Journal of Thermophysics 29 1052–1065 (2008)
D. Lowe, K. Anhalt, J. Hartmann: Construction and validation of a platinum-carbon eutectic fixed-point, Metrologia, 45 325-329 (2008)
F. Edler, J. Hartmann: Simultaneous contact and non-contact measurements of the melting temperature of a Ni-C fixed-point cell,
International Journal of Thermophysics 28 2002-2008 (2007)
G. Machin, P. Bloembergen, J. Hartmann, M. Sadli, Y. Yamada: A concerted international project to establish high-temperature fixed-points for primary thermometry, International Journal of Thermophysics 28 1976-1982 (2007)
J. Seidel, J. Engert, B. Fellmuth, J. Fischer, J. Hartmann, J. Hollandt, E. Tegeler: Die Internationale Temperaturskalen: ITS-90 und PLTS-2000,
PTB Mitteilungen 117(3) 236-242 (2007)
J. Hartmann, F. Edler, K. Anhalt: Neuartige eutektische Metall-Kohlenstoff-Hochtemperaturfixpunkte für die Thermometrie,
PTB Mitteilungen 117(3) 256-260 (2007)
M. Litorja, J. Fowler, J. Hartmann, N. Fox, M. Stock, A. Razet, B. Khlevnoy, E. Ikonen, M. Machacs, K. Doytchinov: Final report on the CCPR-S2 supplementary comparison of area measurements of apertures for radiometry,
Metrologia 44 02002 (2007)
J. Hartmann: Correct consideration of the index of refraction using blackbody radiation,
Optics Express 14(18) 8121-8126 (2006)
J. Hartmann, R. Thomas, K.D Hill, A.G. Steele, C.K. Ma: Bilateral comparison of the NRC and PTB local realizations of the ITS-90 between the silver point and 1700 °C using vacuum tungsten strip lamps as transfer standards,
Metrologia 43 03003 (2006)
K. Anhalt, J. Hartmann, D. Lowe, G. Machin, M. Sadli, Y. Yamada: Thermodynamic temperature determinations of Co-C, Pd-C Pt-C and Ru-C eutectic fixed-points cells, Metrologia 43(2) S78-S83 (2006)
C.K. Ma, J. Hartmann, C. Gibson: Decreasing dependence of the calibration of the tungsten strip lamp on the temperature of the lamp base with increasing filament length, Metrologia 42 383-388 (2005)
D.R. Taubert, R. Friedrich, J. Hartmann, J. Hollandt:
Improved calibration of the spectral responsivity of interference filter radiometers in the visible and near infrared spectral range at PTB
Metrologia 40 S35-S38 (2003)
J. Hartmann: Advanced comparator method for measuring ultra small aperture areas,
Meas. Sci. Techn. 12 1678-1682 (2001)
W. Moritz, U. Roth, M. Heyde, K. Rademann, M. Reichling, J. Hartmann: Submicrosecond range surface heating and temperature measurement for efficient sensor reactivation, Thin Solid Films 391 143-148 (2001)
J. Hartmann, J. Fischer, U. Johannsen, L. Werner: Analytical model for the temperature dependence of the spectral responsivity of silicon,
J. Opt. Soc. Am. B 18 942-947 (2001)
J. Hartmann, J. Fischer, J. Seidel: A non-contact technique providing improved accuracy in area measurements of radiometric apertures,
Metrologia 37 637-640 (2000)
L. Werner, J. Fischer, U. Johannsen, J. Hartmann: Accurate determination of the spectral responsivity of silicon trap detectors between 238 nm and 1015 nm using a laser-based cryogenic radiometer,
Metrologia 37 279-284 (2000)
M. Reichling, T. Klotzbücher, J. Hartmann: Local variation of room temperature thermal conductivity in high quality polycrystalline diamond,
Appl. Phys. Lett. 73 756-758 (1998)
J. Hartmann, M. Costello, M. Reichling: The influence of thermal barriers on heat flow in high quality chemical vapour deposited diamond,
Phys. Rev. Lett. 80 117-120 (1998)
J. Hartmann, P. Voigt, M. Reichling: Measuring local thermal conductivity in polycrystalline diamond with a high resolution photothermal microscope,
J. Appl. Phys. 81 2966 -2977 (1997)
G. Langer, J. Hartmann, M. Reichling: Thermal conductivity of thin metallic films measured with the photothermal profile analysis,
Rev. Sci. Instr. 68 1510 -1513 (1997)
J. Hartmann, P. Voigt, M. Reichling, E. Matthias: Photothermal measurement of thermal anisotropy in pyrolytic graphite,
Appl. Phys. B 62 493 -497 (1996)
H. Verhoeven, J. Hartmann, M. Reichling, W. Müller-Sebert, R. Zachai: Structural limitations to local thermal diffusivity of diamond films,
Diamond and Related Materials 5 1012 -1016 (1996)
P. Voigt, J. Hartmann, M Reichling: Thermal wave imaging of electrically heated microstructures,
J. Appl. Phys. 80 2013 -2018 (1996)
J. Hartmann, M. Reichling, E. Matthias: Thermoreflectance measurements of single thermal barriers in CVD-diamond,
Prog. in Nat. Sci., 6 (suppl.), 297 -300 (1996)
M. Reichling, P. Voigt, J. Hartmann: Quantitative thermal imaging of current densities and heat flow in electronic microstructures,
Prog. in Nat. Sci. 6 (suppl.) 519 -523 (1996)
A.A. Maznev, J. Hartmann, M. Reichling: Thermal wave propagation in thin films on substrates, J. Appl. Phys. 78 5266 -5269 (1995)
J. Hartmann, O. Nilsson, J. Fricke: Thermal diffusivity measurements on two-layered systems with the laser-flash method,
High Temp. - High Press. 25 403 -410 (1993)