Publications

B. Schleicher, U. Tapper, E. I. Kauppinen, M. Martin, L. Roschier, M. Paalanen, W. Wernsdorfer, and A. Benoit, Magnetization Reversal Measurements of Size-selected Iron Oxide Particles Produced via an Aerosol Route, Appl. Organometal. Chem. 12, 315 (1998)

M. Martin, L. Roschier, P. Hakonen, Ü. Parts, M.Paalanen, B. Schleicher, and E. I. Kauppinen, Manipulation of Ag nanoparticles utilizing noncontact atomic force microscopy, Applied Physics Letters 73, 1505 (1998)

P. J. Hakonen, J. M. Ikonen, Ü. Parts, J. S. Penttilä, L. R. Roschier, and M. A. Paalanen, Noise of a single electron transistor on a Si3N4 membrane, Journal of Applied Physics 86, 2684-2686, (1999).

L. Roschier, J. Penttilä, M. Martin, P. Hakonen, M. Paalanen, U. Tapper, E.I. Kauppinen, C. Journet, and P. Bernier, Single-electron transistor made of multiwalled carbon nanotube using scanning probe manipulation, Applied Physics Letters 75, 728 (1999).

Ahlskog, M., Tarkiainen, R., Roschier, L., and Hakonen, P., Single-electron transistor made of two crossing multiwalled carbon nanotubes and its noise properties, Applied Physics Letters 77, 4037-4039 (2000)

L. Roschier, R. Tarkiainen, M. Ahlskog, M. Paalanen, and P. Hakonen, "Multiwalled carbon nanotubes as ultrasensitive electrometers", Applied Physics Letters, 78, 3295 (2001).

R. Tarkiainen, M. Ahlskog, J. Penttilä, L. Roschier, P. Hakonen, M. Paalanen, and E. Sonin, "Multiwalled carbon nanotube: Luttinger versus Fermi liquid", Physical Review B, 64, 195412 (2001).

L. Roschier, P. Hakonen, K. Bladh, P. Delsing, K.W. Lehnert, L. Spietz and R. Schoelkopf, “Noise performance of the radio-frequency single-electron transistor”, Journal of Applied Physics, 95, 1274 (2004).

L. Roschier and P. Hakonen, “Design of Cryogenic 700 MHz  Amplifier”, Cryogenics 44, 783, (2004).

L. Roschier, M. Sillanpää, W. Taihong, M. Ahlskog, S. Iijima and P. Hakonen, “Carbon nanotube radio-frequency single-electron transistor”, Journal of Low Temperature Physics, 136, 465 (2004).

M. A. Sillanpää, L. Roschier and P. J. Hakonen, “The Inductive Single-Electron Transistor”, Physical Review Letters 93, 066805, (2004)

L. Roschier, T. Heikkilä and P. Hakonen, “Cyclostationay shot noise in mesoscopic measurements”, Journal of Applied Physics, 96, 5927 (2004)      

T. Heikkilä and L. Roschier, “Cyclostationary measurement of low-frequency odd moments of current fluctuations”, Physical Review B, 71 085316 (2005)

L. Roschier, M. Sillanpää and P. Hakonen, ”Quantum capacitive phase detector”, Physical Review B, 71, 024530 (2005)

Tarkiainen, R; Roschier, L; Ahlskog, M; Paalanen, M; Hakonen, P, ”Low-frequency current noise and resistance fluctuations in multiwalled carbon nanotubes”, Physica E 28, pages 57-65 (2005)

Sillanpää, MA; Roschier, L; Hakonen, PJ, ” Charge sensitivity of the inductive single-electron transistor”, Applied  Physics Letters, 87, 9, (2005) 

Sillanpää, MA; Lehtinen, T; Paila, A; Makhlin, Y; Roschier, L; Hakonen, PJ, “Direct observation of Josephson capacitance”, Physical Review Letters, 95, 206806 (2005)

A. Lupascu, E. F. C. Driessen, L. Roschier, C. J. P. M. Harmans, J. E. Mooij, “High-contrast dispersive readout of a superconducting flux qubit using a nonlinear resonator”, cond-mat/0601634 , Phys. Rev. Lett. 96, 127003 (2006)

 

 

Conference Proceedings

Roschier, L., Penttilä, J., Martin, M., Hakonen, P., Paalanen, M., Tapper, U., Kauppinen, E.I., Journet, C., and Bernier, P., Transport studies of Multiwalled carbon nanotubes utilizing AFM manipulation, Proc. of XXXIVth Recontres de Moriond, (2000) 25-29

M. Ahlskog, P. Hakonen, M. Paalanen, L. Roschier, and R. Tarkiainen, "Multiwalled carbon nanotubes as building blocks in nanoelectronics", Journal of Low Temperature Physics 124, 335 (2001), Proceedings of ULTI-III, Pohja, Finland, January 2001.

M. Ahlskog, R. Tarkiainen, L. Roschier, M. Paalanen, and P. Hakonen,"Multiwalled carbon nanotubes as single electron transistors", Nanonetwork Materials, p. 141, Vol. 90, AIP Conference Proceedings, New York 2001, Proceedings of ISNM2001, Kamakura, Japan, Jan. 15-18 2001.

L. Roschier, R. Tarkiainen, M. Ahlskog, and P. Hakonen, "Low noise electrometer made of multiwalled carbon nanotube" Electronic Correlations: From Meso- to NanoPhysics, p. 459, Proceedings of the XXXVIth Rencontres de Moriond, EDP Sciences, 2001.

R. Tarkiainen, M. Ahlskog, L. Roschier, P. Hakonen, and M. Paalanen, "Tunnelling into resistive multiwalled carbon nanotubes", Electronic Correlations: From Meso- to NanoPhysics, p. 437, Proceedings of the XXXVIth Rencontres de Moriond, EDP Sciences, 2001.

L. Roschier, R. Tarkiainen, M. Ahlskog, M. Paalanen, and P. Hakonen, "Manufacture of single-electron transistors using AFM manipulation on multiwalled carbon nanotubes", Microelectronic Engineering., 687 61-62, (2002), Proceedings of MNE

M. A. Sillanpää, L. Roschier, and P. J. Hakonen,"Dynamics of the Inductive Single-Electron Transistor", Proceedings of the Vth Rencontres de Moriond in Mesoscopic Physics (2004)

 

M. A. Sillanpää, L. Roschier, and P. J. Hakonen,"Direct measurements of tunable Josephson plasma resonance in the L-SET", Proceedings of "IV International workshop on Macroscopic Quantum Coherence and Computing", Naples, June 2004; cond-mat/0408065.

Special Assignments

Äänenvoimakkuussäädin, 1996

Optimoitu koordinaatistomuunnos magneettiresonanssikuvien koordinaatistosta päänkoordinaatteihin, 1996

Spektroskopie von Subbandwellenfunktionen in Parabolischen Quantentöpfen mit delta-förmiger Potentialstörung via Transportmessungen im verkippten Magnetfeld, 1997

A computer user interface for nanoscale particle manipulation with AFM and its application, 1998

Master’s Thesis

Fabrication of single electron transistor using scanning probe manipulation, 1999

 PhD Thesis

Abstract

 

Overview in PDF format

Talks and posters

Suomen fyysikkoseuran 32. Fysiikan päivät, Tampere, 19 – 21 March 1998, 15 min talk: "Manipulation of the nanometer size aerosol particles using atomic force microscope."

Nordic Baltic SPM Workshop, Nyborg, Denmark, 3 – 5 June 1998, poster and 5 min talk: "Manipulation of the nanometer size aerosol particles using atomic force microscope."

International Summer School in Nanophysics, Otaniemi, Finland, 11 – 20 August 1998, poster: "Manipulation of the nanometer size aerosol particles using atomic force microscope."

Park Scientific Instruments 6th European Users’s Meeting, Amsterdam, Netherlands, 3 – 4 September 1998, 15 min talk: "Manipulation of the nanometer size aerosol particles using atomic force microscope."

Quantum Physics at Mesoscopic Scale (Conference), 11-30 January 1999, Les Arcs, France, poster: "Transport studies of multiwalled carbon nanotubes utilizing AFM manipulation."

Symposium on micro- and nanocryogenics, 1-3 August 1999, Jyväskylä, Finland, 12 min talk: "Fabrication of multiwalled carbon nanotube single-electron transistor using scanning probe manipulation"

22nd International conference on Low Temperature Physics, 4-11 August 1999, Otaniemi , Finland, poster: "Scanning probe manipulation of aerosol particles and carbon nanotubes."

Electron transport in mesoscopic systems (Conference), 12-15 August 1999, Göteborg, Sweden, 15 min talk: "Fabrication of single electron transistor using multiwalled carbon nanotube and scanning probe manipulation."

European meeting on the Technology and Application of SET-Devices, Braunschweig, Germany, Jun 5-6 2000, Oral presentation, High frequency low temperature amplifier for SET applications.

4th Alcove Thursday Seminar, Yale University, New Haven, Conneticut, USA, Oct 26 2000, Oral presentation, Steps towards carbon nanotube single electron transistor.

Special Seminar, Cornell University, Ithaca, New York, USA, Dec 1 2000, Oral presentation, Steps towards carbon nanotube single electron transistor.

36th Recontres de Moriond Electronic Correlations: From Meso- to Nano-Physics, Le Moriond, France, 20.1. 2001. Poster, Ultrasensitive carbon nanotube single-electron transistor.

Kevo Spring School on Mesoscopic Physics for Graduate Students of Nordic Countries, Kevo, Finland, 22.4. 2001. Poster, Ultrasensitive carbon nanotube single-electron-transistor,

SQUBIT/QDNS/TMR Meeting at Chalmers, Gothenburg, Sweden 25.11. 2001. Invited talk, Sensitivity of the rf-SET.

36. FYSIIKAN PÄIVÄT, Joensuu, Finland, 14. - 16.3.2002 . Poster, Towards solid state quantum measurement

ULTI III Users Meeting in Lammi, Finland, January 2004- QUANTUM PHENOMENA AT LOW TEMPERATURES, poster “Carbon nanotube RF-SET”

Other

Puolijohdetekniikan laboratoriotyöt, 1997

Seminar, Quantum Hall Phenomenon and Resistance Standard, 1997

PyNomo - Nomographs (nomograms) with python