IR detection and emission by nanostructures - T. Fromherz

 

M. Grydlik, M. Brehm, T. Tayagaki, G. Langer, O.G. Schmidt, F. Schäffler, "Optical properties of individual site-controlled Ge quantum dots", Appl. Phys. Lett. 106, 251904 (2015); DOI:10.1063/1.4923188 with P02

 

R. Jannesari, M. Schatzl, F. Hackl, M. Glaser, K. Hingerl, T. Fromherz, and F. Schäffler, "Commensurate germanium light emitters in silicon-on-insulator photnoic crystal slabs", Optics Express 22/21, 25426-25435 (2014); DOI: 10.1364/OE.22.025426 with P02

 

M. Grydlik, M. Brehm, F. Hackl, F. Schäffler, G. Bauer, and T. Fromherz, "Unrolling the evolution kinetics of ordered SiGe islands via Ge surface diffusion", Phys. Rev. B B88B, 115311 (2013) DOI: 10.1103/PhysRevB.88.115311 

 

E. Lausecker, M. Grydlik, M. Brehm, I. Bergmair, M. Mühlberger, T. Fromherz, G. Bauer, "Anisotropic remastering for reducing feature sizes on UV nanoimprint lithography replica molds", Nanotechnology 23, 1653025 (2012), DOI: 10.1088/0957-4484/23/16/165302

P. Klenovsky, M. Brehm, V. Krapek, E. Lausecker, D. Munzar, F. Hackl, H. Steiner, T. Fromherz, G. Bauer and J. Humlicek, "Excitation intensity dependence of photoluminescence spectra of SiGe quantum dots grown on prepatterned Si substrates: Evidence for biexcitonic transition",  Phys. Rev. B 86, 115305 (2012). DOI: 10.1103/PhysRevB.86.115305
 

G. Vastola, M. Grydlik, M. Brehm, T. Fromherz, G. Bauer, F. Boioli, L. Miglio, and F. Montalenti, "How pit facet inclination drives heteroepitaxial island positioning on patterned substrates", Phys. Rev. B 84, 155415 (2011), DOI: 10.1103/PhysRevB.84.155415

 

M. Bergamaschini, M. Brehm, M. Grydlik, T. Fromherz,  G. Bauer, F. Montalenti, "Temperature-dependent evolution of the wetting layer thickness during Ge deposition on Si(001)", Nanotechnology 22, 285704/1-8 (2011) DOI: 10.1088/0957-4484/22/28/285704


F. Boioli, R. Gatti, M. Grydlik, M. Brehm, F. Montalenti, L. Miglio, "Assessing the delay of plastic relaxation onset in SiGe islands grown on pit-patterned Si(001) substrates", Appl. Phys. Lett. 99, 011106/1-3 (2011) DOI: 10.1063/1.3615285


R. Gatti, F. Boioli, M. Grydlik, M. Brehm, H. Groiss, M. Glaser, F. Montalenti, T. Fromherz, F. Schäffler, L. Miglio, "Dislocation engineering in SiGe heteroepitaxial films on patterned Si(001) substrates", Appl. Phys. Lett. 98, 121908/1-3 (2011) DOI: 10.1063/1.3569145

M. Brehm, M. Grydlik, H. Groiss, F. Hackl, F. Schäffler, T. Fromherz and G. Bauer, "The influence of a Si cap on self-organized SiGe islands and the underlying wetting layer", J. Appl. Phys. 109, 123505 (2011) DOI: 10.1063/1.3594693

 

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P. Rauter, G. Mussler, D. Grützmacher, T. Fromherz, "Tensile strained SiGe quantum well infrared photodetectors based on a light-hole ground state", Appl. Phys. Lett. 98, 211106/1-3 (2011) DOI: 10.1063/1.3593134

 

E. Lausecker, M. Brehm, M. Grydlik, F. Hackl, I. Bergmair, M. Mühlberger, T. Fromherz, F. Schäffler, G. Bauer, "UV nanoimprint lithography for the realization of large-area ordered SiGe/Si(001) island arrays", Appl. Phys. Lett., 98,143101 (2011), DOI: 10.1063/1.3575554

Selected for the April 18, 2011 issue of Virtual Journal of Nanoscale Science & Technology

 

F. Hackl, M. Grydlik, M. Brehm, H. Groiss, F. Schäffler, T. Fromherz, G. Bauer, "Microphotoluminescence and perfect ordering of SiGe islands on pit-patterned Si(001) substrates", Nanotechnology 22, 165302 (2011), DOI: 10.1088/0957-4484/22/16/165302

 

M. Brehm, H. Lichtenberger, T. Fromherz, G. Springholz, "Ultra-steep side facets in multi-faceted SiGe/Si(001) Stranski-Krastanow islands", Nanoscale Res. Lett. 6, 70 (2011) DOI: 10.1186/1556-276X-6-70

 

M. Brehm, M. Grydlik, F. Hackl, E. Lausecker, T. Fromherz, G. Bauer, "Excitation Intensity Driven PL Shifts of SiGe Islands on Patterned and Planar Si(001) Substrates: Evidence for Ge-rich Dots in Islands", Nanoscale Res. Lett. 5, 1868-1872 (2010) DOI:  10.1007/s11671-010-9713-z
 

M. Grydlik, M. Brehm, F. Hackl, H. Groiss, T. Fromherz, F. Schäffler, G. Bauer, "Inverted Ge islands in (111) faceted Si pits - a novel approach towards SiGe islands with higher aspect ratio", New Journal of Physics 12, 063002/1-8 (2010) DOI: 10.1088/1367-2630/12/6/063002

 

C. Wang, J. Roither, R. Kirchschlager, M. Kovalenko, M. Brehm, T. Fromherz, Q. Kan, P. Tan, J. Liu, H. Chen, W. Heiss, "Enhanced infrared emission from colloidal HgTe nanocrystal quantum dots on silicon-on-insulator photonic crystals", Appl. Phys. Lett. 95, 053107/1-3 (2009) DOI: 10.1063/1.3194151

 

T. Fromherz, J. Stangl, R.T. Lechner, E. Wintersberger, G. Bauer, V. Holy, C. Dais, E. Müller, H. Sigg, H.H. Solak, D. Grützmacher, "3D Sige Quantum Dot Crystals: Structural Characterization and Electronic Coupling", International Journal of Modern Physics B 23, 2836 (2009) DOI: 10.1142/S0217979209062414

 

M. Simma, T. Fromherz, G. Bauer, and G. Springholz, "Type I/type II band alignment transition in strained PbSe/PbEuSeTe multiquantum wells", Appl. Phys. Lett. 95, 212103 (2009) DOI: 10.1063/1.3263722

 

M. Brehm, F. Montalenti, M. Grydlik, G. Vastola, H. Lichtenberger, N. Hrauda, M. J. Beck, T. Fromherz, F. Schäffler, L. Miglio, and G. Bauer, "Key role of the wetting layer in revealing the hidden path of Ge/Si(001) Stranski-Krastanow growth onset", Phys. Rev. B 80, 205321 (2009) DOI: 10.1103/PhysRevB.80.205321 

 

V. Holy, J. Stangl, T. Fromherz, R. T. Lechner, E. Wintersberger, G. Bauer, C. Dais, E. Müller, and D. Grützmacher, "X-ray diffraction investigation of a three-dimensional Si/SiGe quantum dot crystal", Phys. Rev. B 79, 035324 (2009) DOI: 10.1103/PhysRevB.79.035324

 

M. Brehm, T. Suzuki, T. Fromherz, Z. Zhong, N. Hrauda, F. Hackl, J. Stangl, F. Schäffler, G. Bauer, "Combined structural and photoluminescence study of SiGe islands on Si substrates: comparison with realistic energy level calculations", New Journal of Physics 11, 063021/1-15 (2009) DOI: 10.1088/1367-2630/11/6/063021

 

T. Fromherz, J. Stangl, R. T. Lechner, E. Wintersberger, G. Bauer, V. Holy, C. Dais, E. Müller, H. Sigg, D. Grützmacher, "3D SiGe quantum dot crystals: structural characterization and electronic coupling", International Journal of Modern Physics B, 23, 2836-2841(2009) DOI: 10.1142/S0217979209062414

 

P. Rauter, T. Fromherz, C. Falub, D. Grützmacher, G. Bauer, "SiGe quantum well infrared photodetectors on pseudosubstrate", Appl. Phys. Lett. 94, 081115/1-3 (2009) DOI: 10.1063/1.3089817

 

P. Rauter, T. Fromherz, N. Q. Vinh, B. N. Murdin, G. Mussler, D. Grutzmacher, and G. Bauer, "Continuous Voltage Tunability of Intersubband Relaxation Times in Coupled SiGe Quantum Well Structures Using Ultrafast Spectroscopy", Phys. Rev. Lett. 102, 147401 (2009) DOI: 10.1103/PhysRevLett.102.14

 

V. Holy, J. Stangl, T. Fromherz, R. T. Lechner, E.Wintersberger, G. Bauer, C. Dais, E. Muller, and D. Grutzmacher, "X-ray diffraction investigation of a three-dimensional Si/SiGe quantum dot crystal", Phys. Rev. B 79, 035324 (2009) DOI: 10.1103/PhysRevB.79.035324

 

P. Rauter, T. Fromherz, S. Winnerl, M. Zier, A. Kolitsch, M. Helm, and G. Bauer, "Terahertz Si:B blocked-impurity-band detectors defined by nonepitaxial methods", Appl. Phys. Lett. 93, 261104 (2008) DOI: 10.1063/1.3059559

 

C. Dais, G. Mussler, H. Sigg, T. Fromherz, V. Auzelyte, H. H. Solak, D. Grützmacher, "Photoluminescence studies of SiGe quantum dot arrays prepared by templated self-assembly", Europhys. Lett 84, 67017/1-5 (2008) DOI: 10.1209/0295-5075/84/67017

 

M. Brehm, M. Grydlik, H. Lichtenberger, T. Fromherz, N. Hrauda, W. Jantsch, F. Schäffler, and G. Bauer, "Quantitative determination of Ge profiles across SiGe wetting layers on Si (001)", Appl. Phys. Lett. 93, 121901 (2008) DOI: 10.1063/1.2988261

 

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H. Malissa, W. Jantsch, G. Chen, H. Lichtenberger, T. Fromherz, F. Schäffler, G. Bauer, A. Tyryshkin, S. Lyon, Z. Wilamowski, "Spin relaxation in SiGe islands", In: Proceedings of the 28th International Conference on the Physics of Semiconductors, Vienna, Austria, 24-28 July 2006 (AIP Conference Proceedings Vol. 893), eds.: W. Jantsch, F. Schäffler, Melville, NY, pp. 1317-1318 (2007)

 

B. Mandl, J. Stangl, T. Mårtensson, M. Brehm, T. Fromherz, G. Bauer, L. Samuelson, W. Seifert, "Metal free growth and characterization of InAs1-xPx nanowires", in: Proceedings of the 28th International Conference on the Physics of Semiconductors, Vienna, Austria, 24-28 July 2006 (AIP Conference Proceedings Vol. 893), eds.: W. Jantsch, F. Schäffler, Melville, NY, pp. 97-98 (2007)

 

M. Grydlik, P. Rauter, T. Fromherz, C. Falub, D. Grützmacher, G. Isella, G. Bauer, "Resonator fabrication for switchable two-color MIR detectors based on p-type SiGe quantum cascade injectors", in: Proceedings of the 28th International Conference on the Physics of Semiconductors, Vienna, Austria, 24-28 July 2006 (AIP Conference Proceedings Vol. 893), eds.: W. Jantsch, F. Schäffler, Melville, NY, pp. 1411-1412 (2007)

 

D. Grützmacher, T. Fromherz, C. Dais, J. Stangl, E. Müller, Y. Ekinci, H. H. Solak, H. Sigg, R. T. Lechner, E. Wintersberger, S. Birner, V. Holý, G. Bauer, "Three-Dimensional Si/Ge Quantum Dot Crystals", Nano Letters 7/10, 3150-3156 (2007)

 

P. Rauter, T. Fromherz, N.Q. Vinh, B. N. Murdin, J. P. Phillips, C. R. Pidgeon, L. Diehl, G. Dehlinger, D. Grützmacher, M. Zhao, Wie-Xin Ni, G. Bauer, "Direct determination of ultrafast intersubband hole relaxation times in voltage biased SiGe quantum wells by a density matrix interpretation of femtosecond resolved photocurrent experiments", New Journal of Physics 9, 128 (2007)

 

M. Grydlik, P. Rauter, T. Fromherz, G. Bauer, C. Falub, D. Grützmacher, G. Isella, "Resonator Fabrication for Cavity Enhanced, Tunable Si/Ge Quantum Cascade Detectors", Physica E 32, 313-15 (2006)

 

P. Rauter, T. Fromherz, G. Bauer, N. Q. Vinh, B. N. Murdin, J. P. Phillips, C. R. Pidgeon, L. Diehl, G. Dehlinger, and D. Grützmacher, "Direct monitoring of the excited state population in biased SiGe valence band quantum wells by femtosecond resolved photocurrent experiments", Appl. Phys. Lett. 89, 211111 (2006)