Magnetometry and Photonics


Publications

Magnetometry and Infrared-Spectroscopy
Laser Optoacoustics

Magnetometry and Infrared-Spectroscopy

2006

2005
  • "Polar Kerr Effect Studies of Ga1-xMnxAs Epitaxial Films"
    R. Lang, H. Pascher, H. Krenn, X. Liu, J.K. Furdyna,
    Phys. Rev. B 72, 24430-1-13 (2005)

  • "Die Physik von Kontakten"
    H. Krenn
    Praxis der Naturwissenschaften, Physik in der Schule, 3/54, 25 (2005)

  • Fabrication of a bimodal ferromagnetic nanosystem in an etched silicon structure and its magnetic and magneto-optic characterization
    P. Granitzer, K. Rumpf, P. Pölt, A. Reichmann, S. Surnev, H. Krenn
    Mat. Res. Soc Symp. Proc. Vol. 872, J 13.13 (2005)

  • Two-Mode magnetic switching of a ferromagnetic nanowire-granule-array embedded in a porous silicon matrix
    K. Rumpf, P. Granitzer, H. Krenn
    Mat. Res. Soc Symp. Proc. Vol. 877E, S 7.2 (2005)

  • Nanomagnetic Ni-array in porous silicon as a possible magnetic field sensor in the high field range up to 7 T
    P. Granitzer, K. Rumpf, H. Krenn
    Mat. Res. Soc Symp. Proc., Vol. 876E, R 8.9 (2005)

  • Experimental and theoretical investigations of the magnetic phases of epitaxially grown EuSe at low fields and temperatures
    K. Rumpf, P. Granitzer, H. Krenn
    Mat. Res. Soc Symp. Proc., Vol. 875, O 4.14 (2005)

  • Integral Nanoanalytics – examplified by magnetic properties of nanoscopic magnetic systems
    H. Krenn, K. Rumpf, P.Granitzer
    Proceedings of the 1st Vienna International Conference Micro- and Nano-Technology ISBN 3901657177

  • Magnetic properties and microstructure of a Fe-Co ferritic steel after severe plastic deformation
    A. Vorhauer, K. Rumpf, P. Granitzer, S. Kleber, H. Krenn, R. Pippan
    accepted for publication in Materials Science Forum

  • "Squid-magnetometry on ferromagnetic Ni-nanowires embedded in oriented porous silicon channels ",
    P. Granitzer, K. Rumpf, S. Surnev and H. Krenn,
    J. Magn. & Magn. Mat., vol. 290-291, 735 (2005).

  • "Magnetization and phase diagram of EuTe/PbTe superlattices",
    K. Rumpf, P. Granitzer, S. Janecek and H. Krenn
    J. Magn. & Magn. Mat., vol. 290-291, 742 (2005).


2004
  • "SQUID Magnetometry and Magneto-Optics of Epitaxial EuSe",
    K. Rumpf, P. Granitzer, W. Kellner, R. Kirchschlager, S. Janecek, H. Pascher, H. Krenn,
    Acta Phys. Polon. A, vol. 105, 621-629 (2004).

  • "Spin Patterns and Phase Diagrams of Few (111)-monolayer EuTe Including Shape Anisotropy",
    S. Janecek, P. Granitzer, H. Krenn
    J. Magn. & Magn. Mat. 272-276, p. 629-630 (2004).


2003
  • "Magnetic interactions in EuTe epitaxial layers and EuTe/PbTe superlattices",
    H. Kepa., G. Springholz, T. M. Giebultowicz, K. I. Goldman, C. F. Majkrzak, P. Kacman, J. Blinowski, S. Holl, H. Krenn, G. Bauer,
    Physical Review B 68, 24419/1-16 (2003).

  • "Influence of dipolar coupling on the magnetic phase diagram of few (111)-monolayer EuTe",
    S. Janecek, P. Granitzer, H. Krenn
    Journal of Superconductivity, vol. 16, p. 87-90 (2003).

  • "Spin Patterns and Phase Diagrams of Few (111)-monolayer EuTe Including Shape Anisotropy"
    S. Janecek, P. Granitzer, H. Krenn
    J. Magn. & Magn. Mat. 272, 629-630 Part 1 Sp. Iss. SI (2004)


2002
  • "Magnetische Halbleiter",
    H. Krenn, P. Granitzer,
    Physik in unserer Zeit, vol. 33, p. 218-225 (2002).

  • "Mid-infrared absorption of highly ordered PbSe/PbEuTe quantum dot superlattices in EuTe/PbEuTe microcavities",
    T. Schwarzl, W. Heiss, G. Springholz, H. Krenn, T. Fromherz,
    Proc. of the 26th Int. Conf. On the Physics of Semiconductors,
    Edinburgh, July 29-August 2, 2002, in press.

  • "Mid-infrared absorption of PbSe/Pb1-xEu xTe quantum dot superlattices in IV-VI microcavities",
    T. Schwarzl, W. Heiss, G. Springholz, H. Krenn, T. Fromherz, A. Raab, I. Vavra,
    Physical-Review-B 65(24), 245321/1-9 (2002).

  • "Magnetic properties of Fe/ZnSe and Fe/GaAs heterostructures investigated by ferromagnetic resonance and SQUID measurements",
    R. Meckenstock, D. Spoddig, K. Himmelbauer, H. Krenn, M. Doi, W. Keune, Z. Frait, J. Pelzl,
    Journal-of-Magnetism-and-Magnetic-Materials vol. 240(1-3), 410-13 (2002).


2001
  • "The influence of interface and surface effects on the magnetic properties of thin iron films",
    K. Bierleutgeb, H. Sitter, H. Krenn,
    Materials Science Forum 373-376, 189-92 (2001).

  • "Coherent Raman spectroscopy of CdTe/MnTe short-period superlattices",
    R. Rupprecht; H. Pascher; H. Krenn, W. Faschinger, G. Bauer,
    Phys. Rev. B 63, 115325/1-13 (2001).

  • "Spin pattern of few (111) monolayers of the type II antiferromagnet EuTe",
    S. Holl, S. Janecek, H. Krenn,
    Physica E 10, 424-427 (2001).


2000
  • "Monte Carlo study of fractional (111) monolayers of EuTe"
    S. Holl, F. Schinagl, T. Giebultowicz, H. Krenn,
    J. Magn. & Magn. Mat. 220, 293-301(2000).

  • "A comparative study of iron films on II-VI and III-V semiconductors"
    K. Bierleutgeb, H. Sitter, H. Krenn, H. Seyringer,
    Phys. Stat. Sol. B. 220, 41-5 (2000).

1999
  • “Magnetic Polarons in MnTe layers”,
    F. Schinagl, A. Bonanni, S. Holl, G. Prechtl, H. Krenn,
    J. Magn.& Magn. Mat. 198-199, 194 (1999).

  • “Interband Faraday and Kerr rotation and magnetization of Pb1-xEuxTe in the concentration range 0 < x ? 1”,
    H. Krenn, W. Herbst, H. Pascher, Y. Ueta, G. Springholz, and G. Bauer,
    Phys. Rev. B60, 8117 (1999).

  • “A Comparative Study of Iron Films on II-VI- and III-V-Semiconductors”,
    K. Bierleutgeb, H. Sitter, H. Krenn, and H. Seyringer,
    Proc. of  the XV. Latinamerican Symposium on Solid State Physics, 1-5. Nov. 1999, Cartagena de Indias, Colombia.

  • “MBE growth of highly efficient lead-salt-based Bragg mirrors on (111) BaF2 for       the 4 – 6 mm wavelength region”,
    G. Springholz, T. Schwarzl, W. Heiss, H. Seyringer, S. Lanzerstorfer, H. Krenn,
    J. Cryst. Growth 201-202, 999-1004 (1999)

  • „Reflectance difference spectroscopy and magneto-optical analysis ofdigitalmagnetic heterostructures“,
    A. Bonanni, G. Prechtl, W. Heiss, F. Schinagl, S. Holl, H. Krenn, H. Sitter, D. Stifter and K. Hingerl,
    J. Vacuum Science & Technology B 17,  1722-7 (1999).

  • “High reflectivity lead salt based Bragg mirrors for the mid infrared range”,
    T. Schwarzl, G. Springholz, H. Seyringer, H. Krenn, S. Lanzersdorfer, and W. Heiß,
    IEEE J. Quantum Electronics 35, 1753-58 (1999).

1998
  • „Antiferromagnetism in reduced-dimensional semiconductor structures“,
    F. Schinagl and H. Krenn,
    Journal of Phys. Studies, vol.2, 201-204 (1998).

  • „Influence of non-parabolic-energy-band dispersion on the optical constants close to the fundamental absorption in PbSe and Pb1-xMnxSe epitaxial films“,
    H. Krenn, S. Yuan, N. Frank, and G. Bauer,
    Phys. Rev. B57, 2393-2401 (1998).

  • „Antiferromagnetic phase-transition and interlayer spin-correlations in short-period EuTe/PbTe superlattices“,
    H. Kepa, K.J. Goldman, T.M. Giebultowicz, C.F. Majkrzak, G. Springholz, H. Krenn,  S. Holl, F.Schinagl and G. Bauer,
    Physica E 2, 399- 403 (1998).

  • „Magnetic structure of short-period CdTe/MnTe superlattices“,
    H. Krenn, S. Holl, R. Rupprecht, H. Pascher, W. Faschinger, and G. Bauer,
    Physica B 256-258, 584-552 (1998).



1997
  • "Magnetoreflectivity of Pb1-xEuxTe Epilayers and PbTe/Pb1-xEuxTe Multi-quantum Wells",
    Shu Yuan, H. Krenn, G. Springholz, G.Bauer, and P.J. McCann,
    Phys. Rev. B55, 4607-4619 (1997).

1996
  • "SQUID-magnetocalorimetry of disordered and artificially  structured magnetic semiconductors",
    H. Krenn, H. Enichlmair and J. Sperl,
    J. Magn. & Magn. Mat. 157/158, 561 (1996).

  • "Magnetism at Reduced Dimensions",
    H. Krenn,
    in Lectures on Cooperative Phenomena in Condensed Matter
    (edited by D. Uzunov, Heron Press Ltd., Sofia, 1996), pp. 172 - 193.

1995
  • "New Developments in SQUID-Susceptometry on Thin Magnetic Semiconductor Layers",
    H. Krenn, H. Enichlmair and J. Sperl,
    in Proc. of the 8th Int. School on  Condensed Matter Physics about "Electronic,Optoelectronic and Magnetic Thin Films", Eds. J. M. Marshall, N. Kirov and A. Vavrek (Research Studies Press Ltd., Taunton, Somerset, UK, John Wiley, New York, 1995), pp. 142-149.

  • "Contactless Magneto-Calorimetry of the Ferromagnetic Semiconductor Pb1-x-ySnyMnxTe Using  Light-Modulated SQUID Susceptometry",
    H. Enichlmair, H. Krenn, and T. Story,
    Proc. of the 22nd Int. Conf. on the Physics of Semiconductors (Ed. D.J.Lockwood, World Scientific, Singapore, 1995), vol. 3, pp. 2489-92.

1994
  • "Optimization of a SQUID flux transformer coupled to ferrimagnetic  cores for probing the magnetic moment",
    H. Enichlmair, D. Thumfart, H. Krenn, and K. Preis,
    Rev. Sci. Instrum. 65, 1649 (1994).

  • "Thermal-wave-modulated SQUID susceptometry for thin magnetic layers",
    H. Enichlmair and H. Krenn,
    Appl. Phys. Lett. 64, 2169 (1994).

  • "A novel optomagnetic tool: light-modulated SQUID susceptometer",
    H. Enichlmair and H. Krenn,
    SPIE-Proceedings-Europto-Series "Linear and Nonlinear Integrated Optics, vol. 2212, eds. G.C. Righini, D. Yevick, p. 638 (1994).

  • "Infrared-Photoconductivity due to Sub-Band Transitions in PbTe/Pb1-xEuxTe and PbSe/Pb1-xMnxSe",
    Shu Yuan, G. Springholz, N. Frank, H. Krenn, G. Bauer and M. Kriechbaum,
    Mat. Res. Soc. Symp. Proc., vol. 299, p. 285 (1994).
Laser Optoacoustics

2006
  • Femtosecond plasma-mediated nanosurgery of cells and tissues
    A. Vogel, J. Noack, G. Hüttman and G. Paltauf
    In: Laser Ablation and its Applications, C. R. Phipps, Editor, Springer, Berlin (2006)

  • Femtosecond laser nanosurgery of biological cells and tissues
    A. Vogel, J. Noack, G. Hüttman, N. Linz, S. Freidank, and G. Paltauf
    Proceedings of the 4th International Congress on Laser Advanced Materials Processing, Kyoto (2006)

  • Thermoacoustic tomography using a fiber-based Fabry-Perot interferometer as an integrating line detector
    P. Burgholzer, C. Hofer, G. J. Matt, G. Paltauf, M. Haltmeier, O. Scherzer
    Proc. SPIE Vol. 6086, 60861N (2006)


2005
  • Mechanisms of femtosecond laser nanosurgery of cells and tissues
    A. Vogel , J. Noack, G. Hüttman and G. Paltauf
    Applied Physics B 81 (8), 1015 – 1047 (2005) (invited paper)

  • Thermoacoustic tomography with integrating area and line detectors
    P. Burgholzer, C. Hofer, G. Paltauf, M. Haltmeier, and O. Scherzer
    IEEE Trans. Ultrason. Ferroel. Frequ. Contr. 52, 1577-1583 (2005)

  • Thermoacoustic tomography using optical line detection
    G. Paltauf, P. Burgholzer, M. Haltmeier, and O. Scherzer
    Proc. SPIE 5864, 586402 (2005)

  • Thermoacoustic tomography using integrating detectors
    P. Burgholzer, C. Hofer, G. Paltauf, M. Haltmeier, O. Scherzer
    Proc. SPIE 5864, 586403 (2005)


2004
  • Thermoacoustic computed tomography with large planar receivers
    M Haltmeier, O Scherzer, P Burgholzer and G Paltauf
    Inverse Problems 20, 1663-1673 (2004)

  • Spectral optoacoustic imaging using a wavelength-multiplexing technique
    G. Paltauf, M. Steininger
    Proc. SPIE 5320, 128-137 (2004)


2003
  • Dual-wavelength optoacoustic imaging
    G. Paltauf
    Proc. SPIE 5143, 41-49 (2003)

  • Photomechanical Processes and Effects in Ablation
    G. Paltauf and P.E. Dyer
    Chem. Rev. 103, 487-518 (2003) (invited review)

2002
  • Low-density plasmas below the optical breakdown threshold: potential hazard for multiphoton microscopy, and a tool for the manipulation of intracellular events
    A. Vogel, J. Noack, G. Huettmann, G. Paltauf
    Proc. SPIE 4620, 202-216 (2002)

  • Femtosecond-laser-produced low-density plasmas in transparent biological media: a tool for the creation of chemical, thermal, and thermomechanical effects below the optical breakdown threshold
    A. Vogel, J. Noack, G. Huettmann, G. Paltauf
    Proc. SPIE 4633, 23-37 (2002)

  • Iterative reconstruction algorithm for optoacoustic imaging
    G. Paltauf, J. A. Viator, S. A. Prahl, and S. L. Jacques
    J. Acoust. Soc. Am. 112 (4), 1536-1544 (2002)

  • Optoacoustic spectroscopy and imaging
    G. Paltauf and H. Schmidt-Kloiber
    Z. Med. Phys. 12, 35 - 42 (2002)

  • Clinical testing of a photoacoustic probe for port wine stain depth determination
    J.A. Viator, G. Au, G. Paltauf, S.L. Jacques, S.A. Prahl, H. Ren, Z. Chen, J.S. Nelson
    Lasers Surg. Med. 30, 141 – 148 (2002)

2001
  • Optoacoustic imaging using a three-dimensional reconstruction algorithm
    K.P. Köstli, D. Frauchiger, J.J. Niederhauser, G. Paltauf, H.P. Weber, M. Frenz
    IEEE J. Sel. Top. Quant. Electron. 7 (6), 918 - 923 (2001)

  • Optoacoustic tomography using a two-dimensional optical pressure transducer and two different reconstruction algorithms
    D. Frauchiger, K.P. Köstli, G. Paltauf, M. Frenz, H.P. Weber
    Proc. SPIE 4434, 74 – 80 (2001)

  • Spectral optoacoustic imaging using a scanning transducer
    G. Paltauf, K.P. Köstli, M. Frenz
    Proc. SPIE 4434, 81 – 88 (2001)

  • Optoacoustic tomography: Time-gated measurement of pressure distributions and image reconstruction,
    K. Köstli, M. Frenz, H.P. Weber, G. Paltauf, H. Schmidt-Kloiber
    Appl. Opt. 40 (22): 3800 – 3809 (2001)

  • Iterative reconstruction method for three-dimensional optoacoustic imaging
    G. Paltauf, J. A. Viator, S. A. Prahl, S. L. Jacques
    In „Biomedical Optoacoustics II“, A.A. Oraevsky, Ed.,
    Proc. SPIE 4256, 138 – 146 (2001)

  • Modelling pressure waves generated by pulsed laser irradiation of irregularly shaped absorbing objects within media
    S. L.Jacques, G. Paltauf
    In „Biomedical Optoacoustics II“, A.A. Oraevsky, Ed.,
    Proc. SPIE 4256, 90 – 100 (2001)

  • Design and testing of an endoscopic photoacoustic probe for determination of treatment depth after photodynamic therapy
    J.A. Viator, G. Paltauf, S.L. Jacques, S.A. Prahl>
    In „Biomedical Optoacoustics II“, A.A. Oraevsky, Ed.,
    Proc. SPIE 4256, 16 – 27 (2001)

  • Reconstruction technique for optoacoustic imaging
    M. Frenz, K.P. Köstli, G. Paltauf, H. Schmidt-Kloiber, H.P. Weber
    In „Biomedical Optoacoustics II“, A.A. Oraevsky, Ed.,
    Proc. SPIE 4256, 130 - 137 (2001)

2000
  • Optoacoustic imaging using two-dimensional ultrasonic detection
    G. Paltauf, H. Schmidt-Kloiber, K. Köstli, M. Frenz, H.P. Weber
    In „Biomedical Optoacoustics“, A.A. Oraevsky, Ed.,
    Proceedings SPIE 3916, S. 240-248 (2000)

  • Pulsed Optoacoustic Tomography of Soft Tissue with a Piezoelectric Ring Sensor
    K. P. Köstli, M. Frenz, H. P. Weber, G. Paltauf, H. Schmidt-Kloiber
    In „Biomedical Optoacoustics“, A.A. Oraevsky, Ed.,
    Proceedings SPIE 3916, S. 67-74 (2000)

  • Localization of spherical photoacoustic sources in acrylamide gels using time domain measurements
    J.A. Viator, G. Paltauf, S.L. Jacques, S.A. Prahl
    In „Biomedical Optoacoustics“, A.A. Oraevsky, Ed.,
    Proceedings SPIE 3916, S. 89-99 (2000)

  • Optoacoustic imaging of tissue blanching during photodynamic therapy of esophageal cancer
    S. L. Jacques, P. R. Bargo, J. A. Viator, G. Paltauf
    In „Biomedical Optoacoustics“, A.A. Oraevsky, Ed.,
    Proceedings SPIE 3916, S. 322-330 (2000)

  • Pulsed optoacoustic characterization of layered media
    G. Paltauf, H. Schmidt-Kloiber
    J. Appl. Phys. 88(3), 1624-1631 (2000)

  • Optoacoustic infrared spectroscopy of soft tissue
    K. Köstli, M. Frenz, H.P. Weber, G. Paltauf, H. Schmidt-Kloiber
    J. Appl. Phys. 88 (3), 1632 –1637 (2000)

1999
  • Photoacoustic cavitation in spherical and cylindrical absorbers
    G. Paltauf and H. Schmidt-Kloiber
    Appl. Phys. A 68, 525-531 (1999)

  • Two-dimensional recording of optoacoustic waves
    G. Paltauf, H. Schmidt-Kloiber, K. Köstli, M. Frenz
    in „Laser-Tissue Interaction X“, S.L. Jacques, Ed.,
    Proc. SPIE 3601, 248-255 (1999)

  • Optoacoustic measurements in water, bone and cartilage with an infrared OPO
    K. Köstli, M. Frenz, H. Weber, G. Paltauf, H. Schmdt-Kloiber
    in „Laser-Tissue Interaction X“, S.L. Jacques, Ed.,
    Proc. SPIE 3601, 310-318 (1999)

  • Optical method for two-dimensional ultrasonic detection
    G. Paltauf, H. Schmidt-Kloiber, K.P. Köstli, M. Frenz
    Appl. Phys. Lett. 75 (8), 1048-1050 (1999)

1998
  • Die Bedeutung elastischer Wellen beim klinischen Einsatz gepulster Laserstrahlung
    H. Schmidt-Kloiber, G. Paltauf
    Z. Med. Phys. 8, 34-39 (1998)

  • Photoacoustic waves excited in liquids by fiber-transmitted laser pulses
    G. Paltauf, H. Schmidt-Kloiber, M. Frenz
    J. Acoust. Soc. Am. 104, 890-897 (1998)

  • Internal photomechanical fracture of spatially limited absorbers irradiated by short laser pulses
    G. Paltauf, H. Schmidt-Kloiber
    in „Laser-Tissue Interaction IX“, S.L. Jacques, Hrsg.,
    Proc. SPIE 3254, 112-120 (1998)

1997
  • Measurement of laser-induced acoustic waves with a calibrated optical transducer
    G. Paltauf, H. Schmidt-Kloiber
    J. Appl. Phys. 82, 1525-1531 (1997)

  • Photoacoustic determination of tissue optical properties and structure by use of an optical parametric oscillator
    G. Paltauf, H. Schmidt-Kloiber
    in „Laser-Tissue Interaction, Tissue Optics, and Laser Welding III“, G.P. Delacrétaz, G. Godlewski, R. Pini, R.W. Steiner, L.O. Svaasand, Eds.,
    Proc. SPIE 3195, 70-78 (1997)


1996
  • Microcavity dynamics during laser-induced spallation of liquids and gels
    G. Paltauf, H. Schmidt-Kloiber
    Appl. Phys. A 62, 303-311 (1996)

  • Laser-induced micro bubble formation at a fiber tip in absorbing media: Experiments and theory
    G. Paltauf, M. Frenz, H. Schmidt-Kloiber
    in "Laser-Tissue Interaction and Tissue Optics", R.W. Steiner, L.O. Svaasand, H. Albrecht, G.P. Delacretaz, T.H. Meier, Eds.,
    Proc. SPIE 2624, 72-82 (1996)

  • Influence of acoustic diffraction on laser-induced stress wave effects in absorbing media
    G. Paltauf, M. Frenz, H. Schmidt-Kloiber
    in "Laser-Tissue Interaction VII", S.L. Jacques, Eds.,
    Proc. SPIE 2681, 334-342 (1996) (ISBN 0-8194-2055-7)

  • Laser-generated cavitation in absorbing liquid induced by acoustic diffraction
    M. Frenz, G. Paltauf, H. Schmidt-Kloiber
    Phys. Rev. Lett. 76(19), 3546-3549 (1996)

  • Light distribution measurements in absorbing materials by optical detection of laser-induced stress waves
    G. Paltauf, H. Schmidt-Kloiber, H. Guss
    Appl. Phys. Lett. 69 (11), 1526-1528 (1996)

  • Optical detection of laser-induced stress waves for measurement of the light distribution in living tissue
    G. Paltauf, H. Schmidt-Kloiber, H. Guss
    in „Laser-Tissue Interaction and Tissue Optics II“, H.J. Albrecht, G.P. Delacretaz, T.H. Meier, R.W. Steiner, L.O.Svaasand, Eds.,
    Proc. SPIE 2923, 127-135 (1996)

  • Determination of optical properties by measuring laserinduced acoustic transients
    M. Kirschner, G. Paltauf, H. Schmidt-Kloiber
    in „Biomedical Systems and Technology“,
    I. Croitoru, M. Frenz, T.A. King, R. Pratesi, Scheggi A.M., S. Seeger, and O.S. Wolfbeis, Eds.,
    Proc. SPIE 2923, 228-237 (1996)
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