Juha Tuoriniemi

Senior Researcher

Research outputs

  1. 2019
  2. Published

    Thermodynamics of adiabatic melting of solid He 4 in liquid He 3

    Riekki, T. S., Sebedash, A. P. & Tuoriniemi, J. T., 5 Feb 2019, In : Physical Review B. 99, 5, p. 1-8 054502.

    Research output: Contribution to journalArticleScientificpeer-review

  3. E-pub ahead of print

    Effects of 4He Film on Quartz Tuning Forks in 3He at Ultra-low Temperatures

    Riekki, T. S., Rysti, J., Mäkinen, J. T., Sebedash, A. P., Eltsov, V. B. & Tuoriniemi, J. T., 1 Jan 2019, In : Journal of Low Temperature Physics.

    Research output: Contribution to journalArticleScientificpeer-review

  4. 2017
  5. Published

    Adiabatic Melting Experiment on Helium Mixtures: Status and Prospects

    Sebedash, A., Boldarev, S., Riekki, T. & Tuoriniemi, J., 1 Jun 2017, In : Journal of Low Temperature Physics. 187, 5-6, p. 588-595 8 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. 2016
  7. Published

    Decoupling of first sound from second sound in dilute 3He-superfluid 4He mixtures

    Riekki, T. S., Manninen, M. S. & Tuoriniemi, J. T., 22 Dec 2016, In : Physical Review B. 94, 22, p. 1-7 224514.

    Research output: Contribution to journalArticleScientificpeer-review

  8. Published

    Surface Waves on the Superfluids 3He and 4He

    Manninen, M., Ranni, A., Rysti, J., Todoshchenko, I. A. & Tuoriniemi, J. T., Jun 2016, In : Journal of Low Temperature Physics. 183, 5, p. 399-415 17 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. Published

    Physics at its coolest

    Tuoriniemi, J., Jan 2016, In : Nature Physics. 12, 1, p. 11-14 5 p.

    Research output: Contribution to journalEditorialScientific

  10. 2014
  11. Published

    Excitation and Detection of Surface Waves on Normal and Superfluid 3-He

    Manninen, M. S., Kaikkonen, J-P., Peri, V., Rysti, J., Todoshchenko, I. & Tuoriniemi, J., 2014, In : Journal of Low Temperature Physics. 175, 1-2, p. 56-62

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

    Measurements on Melting Pressure, Metastable Solid Phases, and Molar Volume of Univariant Saturated Helium Mixture

    Rysti, J., Manninen, M. S. & Tuoriniemi, J., 2014, In : Journal of Low Temperature Physics. 175, 5-6, p. 739-754

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Pressure dependent attenuation peaks for quartz tuning forks in superfluid 4He at mK temperatures

    Tuoriniemi, J. T., Manninen, M. S. & Rysti, J., 2014, In : Journal of Physics: Conference Series. 568, 0, p. 012023

    Research output: Contribution to journalArticleScientificpeer-review

  14. Published

    Quartz Tuning Forks and Acoustic Phenomena: Application to Superfluid Helium

    Rysti, J. & Tuoriniemi, J., 2014, In : Journal of Low Temperature Physics. 177, 3-4, p. 133-150

    Research output: Contribution to journalArticleScientificpeer-review

  15. Published

    Quasiparticle damping of surface waves in superfluid 3He and 4He

    Manninen, M. S., Rysti, J., Todoshchenko, I. & Tuoriniemi, J., 2014, In : Physical Review B. 90, 22, p. 1-4 224502.

    Research output: Contribution to journalArticleScientificpeer-review

  16. 2013
  17. Published

    Mechanical Oscillators in Inviscid Compressible Fluids

    Rysti, J. & Tuoriniemi, J., 2013, In : Journal of Low Temperature Physics. 171, 3-4, p. 273-279

    Research output: Contribution to journalArticleScientificpeer-review

  18. 2012
  19. Published

    Melting pressure of saturated helium mixture at temperatures between 10 mK and 0.5 K

    Rysti, J., Tuoriniemi, J., Salmela, A. & Sebedash, A., 2012, In : Journal of Physics: Conference Series. 400, 0, p. 012065

    Research output: Contribution to journalArticleScientificpeer-review

  20. Published

    Mode analysis for a quartz tuning fork coupled to acoustic resonances of fluid in a cylindrical cavity

    Tuoriniemi, J., Rysti, J., Salmela, A. & Manninen, M., 2012, In : Journal of Physics: Conference Series. 400, 0, p. 012077

    Research output: Contribution to journalArticleScientificpeer-review

  21. 2011
  22. Published

    Acoustic Resonances in Helium Fluids Excited by Quartz Tuning Forks

    Salmela, A., Tuoriniemi, J. & Rysti, J., 2011, In : Journal of Low Temperature Physics. 162, 5-6, p. 678-685

    Research output: Contribution to journalArticleScientificpeer-review

  23. Published

    Osmotic pressure of He-3/He-4 mixtures at the crystallization pressure and at millikelvin temperatures

    Salmela, A., Sebedash, A., Rysti, J., Pentti, E. & Tuoriniemi, J., 2011, In : Physical Review B. 83, 13, p. 134510

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    Studies on Helium Liquids by Vibrating Wires and Quartz Tuning Forks

    Pentti, E., Rysti, J., Salmela, A., Sebedash, A. & Tuoriniemi, J., 2011, In : Journal of Low Temperature Physics. 165, 3-4, p. 132-165

    Research output: Contribution to journalArticleScientificpeer-review

  25. 2009
  26. Published

    Interactions in dilute 3He-4He mixtures

    Rysti, J. & Tuoriniemi, J., 2009, The XLIII Annual Conference of the Finnish Physical Society (Physics Days 2009), Espoo, Finland, 12-14 March. Laiho, P., Heikkilä, T., Kajava, T., Pekola, J. & Puska, M. (eds.). Espoo: Helsinki University of Technology, Low Temperature Laboratory, p. 33

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  27. Published

    Osmotic pressure of 3He-4He mixtures at 2.53 MPa pressure and at millikelvin temperatures

    Salmela, A., Sebedash, A., Rysti, J., Pentti, E. & Tuoriniemi, J., 2009, Espoo, p. 72, (The XLIII Annual Conference of the Finnish Physical Society (Physics Days 2009), Espoo, Finland, 12-14 March).

    Research output: Working paperProfessional

  28. Published

    Studies on helium liquids by vibrating wires and quartz tuning forks

    Pentti, E., Rysti, J., Salmela, A., Sebedash, A. & Tuoriniemi, J., 2009, Espoo, p. 36, (Low Temperature Laboratory Publications; no. TKK-KYL-020).

    Research output: Working paperProfessional

  29. 2008
  30. Published

    Acoustic resonator providing fixed points of temperature between 0.1 and 2 K

    Salmela, A., Tuoriniemi, J., Pentti, E., Sebedash, A. & Rysti, J., 2008, p. 53, (25th International Conference on Low Temperature Physics (LT 25), RAI Convention Centre, Amsterdam, Netherlands, 6-13 August, 2008).

    Research output: Working paperProfessional

  31. Published

    Adiabatic melting of 4He crystal in superfluid 3He at sub-millikelvin temperatures

    Sebedash, A., Tuoriniemi, J., Boldarev, S., Pentti, E. & Salmela, A., 2008, p. pp. xx, (ULT2008; Frontiers of Low Temperature Physics, Royal Holloway, University of London, Egham, Surrey, 13-17.8.2008).

    Research output: Working paperProfessional

  32. Published

    Improved capacitive melting curve measurements

    Sebedash, A., Tuoriniemi, J., Pentti, E. & Salmela, A., 2008, p. 54, (25th International Conference on Low Temperature Physics (LT 25), RAI Convention Centre, Amsterdam, Netherlands, 6-13 August, 2008).

    Research output: Working paperProfessional

  33. Published

    Osmotic pressure of 3He- 4He solutions at 25.3 bar and low temperatures

    Sebedash, A., Tuoriniemi, J., Pentti, E. & Salmela, A., 2008, The 2007 International conference on Quantum Fluids and Solids (QFS2007), kazan, Russia, 1-6.8.2007. p. 181-186

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  34. Published

    Quartz tuning fork in Helium

    Pentti, E., Tuoriniemi, J., Salmela, A. & Sebedash, A., 2008, p. 555-560, (The 2007 International Conference on Quantum Fluids and Solids (QFS2007), Kazan, Russia, 1-6.8.2007).

    Research output: Working paperProfessional

  35. Published

    Quartz tuning fork measurements in helium mixtures at millikelvin Temperatures uo to melting pressure with varying concentration

    Salmela, A., Tuoriniemi, J., Pentti, E. & Sebedash, A., 2008, p. pp. xx, (ULT2008; Frontiers of Low Temperature Physics, Royal Holloway, University of London, Egham, Surrey, 13-17.8.2008).

    Research output: Working paperProfessional

  36. Published

    Solubility of 3He in 4He at millikelvin temperatures up to the melting pressure measured by a quartz tuning fork

    Pentti, E., Tuoriniemi, J., Salmela, A. & Sebedash, A., 2008, In : Physical Review B. 78, p. 064509

    Research output: Contribution to journalArticleScientificpeer-review

  37. 2007
  38. Published

    Adiabatic melting of 4He crystal to superfluid 3He; Progress of the experiment

    Tuoriniemi, J., Sebedash, A., Boldarev, S., Pentti, E., Salmela, A. & Rysti, J., 2007, Tallinn, p. 268, (The XLI Annual Conference of the Finnish Physical Society, March 15-17, 2007, Tallinn, Estonia).

    Research output: Working paperProfessional

  39. Published

    Melting pressure thermometry of the saturated helium mixture at millikelvin temperatures

    Pentti, E., Tuoriniemi, J., Salmela, A. & Sebedash, A., 2007, In : Journal of Low Temperature Physics. 146, 1/2, p. 71-83

    Research output: Contribution to journalArticleScientificpeer-review

  40. Published

    Melting pressure thermometry of the saturated helium mixture at millikelvin temperatures

    Pentti, E., Tuoriniemi, J., Salmela, A. & Sebedash, A., 2007, Lammi Workshop on Quantum Phenomena at Low Temperatures, 21.8.-25.8.2006, Lammi, Finland. Sullivan, N., Meyer, H. & Paalanen, M. (eds.). p. 71-83

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Superconductivity in Lithium

    Tuoriniemi, J., 2007, The XLI Annual Conference of the Finnish Physical Society, March 15-17, 2007, Tallinn, Estonia. Vainio, R., Pomoell, J. & Louhivuori, M. (eds.). Tallinn, p. pp. 12

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  42. Published

    Superconductivity in lithium below 0.4 millikelvin at ambient pressure

    Tuoriniemi, J., Juntunen-Nurmilaukas, K., Uusvuori, J., Pentti, E., Salmela, A. & Sebedash, A., 2007, In : Nature. 447, p. 187-189

    Research output: Contribution to journalArticleScientificpeer-review

  43. 2006
  44. Published

    Cooling dilute 3He-4He mixtures by adiapatic melting of 4He at submillikelvin temperatures

    Sebedash, A., Tuoriniemi, J., Boldarev, S., Pentti, E. & Salmela, A., 2006, p. 32, (The XL Annual Conference of the Finnish Physical Society, March 9-11.2006 Tampere, Finland).

    Research output: Working paperProfessional

  45. Published

    Melting pressure thermometry for dilute 3He-4He mixtures

    Sebedash, A., Tuoriniemi, J., Boldarev, S., Pentti, E. & Salmela, A., 2006, p. 1591-1592, (24th International Conference on Low Temperature Physics, Orlando, Florida, USA, August 10-17.2005).

    Research output: Working paperProfessional

  46. Published

    NMR response of highly polarized and magnetically ordered nuclei in lithium metal down to nanokelvin temperatures

    Tuoriniemi, J. & Juntunen, K., 2006, 24th International Conference on Low Temperature Physics (LT24), Orlando, Florida, USA, August 10-17, 2005.. Conference Proceedings, AIP. (ed.). AMERICAN INSTITUTE OF PHYSICS, p. 1295-1296

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  47. 2005
  48. Published

    NMR spectra of highly polarized lithium

    Juntunen, K. & Tuoriniemi, J., 2005, In : Journal of Low Temperature Physics. 138, 3/4, p. 759-764

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Thermometry for a 3He/4He adiabatic melting experiment

    Salmela, A., Pentti, E., Sebedash, A. & Tuoriniemi, J., 2005, The Annual Conference of Finnish Physical Society, March 17-19, 2005, Espoo, Finland. Ruokola, T. & von Boehm, J. (eds.). Espoo: Finnish Physical Society, Helsinki University of Technology, p. 23

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. 2004
  51. Published

    Experiment on nuclear ordering and superconductivity in Lithium

    Juntunen, K. & Tuoriniemi, J., 2004, Espoo, p. 52, (Kylmälaboratorion julkaisuja; no. TKK-KYL-012).

    Research output: Working paperProfessional

  52. Published

    New aspects on using fine copper powder as a nuclear refrigerant for helium mixtures

    Pentti, E. & Tuoriniemi, J., 2004, The XXXVIII Annual Conference of the Finnish Physical Society, Oulu, Finland, March 18-20, 2004. Rasinkangas, R. (ed.). p. 34

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  53. Published

    Nuclear ordering in Lithium and an upper limit on its Ambient pressure superconducting transition temperature

    Juntunen, K. & Tuoriniemi, J., 2004, In : Physical Review Letters. 93, 15, p. 157201

    Research output: Contribution to journalArticleScientificpeer-review

  54. Published

    Nuclei in cooperation

    Tuoriniemi, J. & Juntunen, K., 2004, In : Journal of Low Temperature Physics. 135, 5/6, p. 513-543

    Research output: Contribution to journalArticleScientificpeer-review

  55. 2003
  56. Published

    Matalimmat lämpötilat - miksi ja miten

    Tuoriniemi, J., 2003, In : Tietoyhteys. 4, p. 32-33

    Research output: Contribution to journalArticleProfessional

  57. Published

    Method and apparatus for eliminating background interference signals from multichannel signal measurements

    Simola, J., Tuoriniemi, J., Kajola, M., Parkkonen, L. & Ahonen, A., 2003, Patent No. USAUS 6,538,436 B1FI112399Mar. 25, 2003

    Research output: PatentScientific

  58. Published

    Thermal contact to lithium metal

    Tuoriniemi, J., Juntunen, K. & Uusvuori, J., 2003, The 23rd International Conference on Low Temperature Physics (LT23), Hiroshima, Japan, 20-27.8.. p. 1294-1295

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  59. Published

    Vibrating wire measurements in dilute 3He-4He solutuions at ballistic quasiparticle regime

    Martikainen, J., Tuoriniemi, J., Pentti, E. & Pickett, G., 2003, In : Physica B. 329-333, p. 178-179

    Research output: Contribution to journalArticleScientificpeer-review

  60. 2002
  61. Published

    Experiment on superconductivity and nuclear magnetic ordering in lithium metal

    Juntunen, K., Uusvuori, J. & Tuoriniemi, J., 2002, p. 41, (The XXXVI Annual Conference of the Finnish Physical Society, Joensuu, Finland, March 14-16, 2002).

    Research output: Working paperProfessional

  62. Published

    Thermal modeling of an experiment on dilute 3He-4He 67.60.Hr mixtures at ultra low temperatures

    Martikainen, J., Pentti, E. & Tuoriniemi, J., 2002, p. 213, (The XXXVI Annual Conference of the Finnish Physical Society, Joensuu, Finland, March 14-16, 2002).

    Research output: Working paperProfessional

  63. Published

    Towards superfluidity of 3He diluted by 4 He

    Tuoriniemi, J., Martikainen, J., Pentti, E., Sebedash, A., Boldarev, S. & Pickett, G., 2002, In : Journal of Low Temperature Physics. 129, 5/6, p. 531-545

    Research output: Contribution to journalArticleScientificpeer-review

  64. Published

    Vibrating wire measurements in 3He-4He mixtures in the ballistic quasiparticle regime

    Martikainen, J., Tuoriniemi, J., Knuuttila, T. & Picket, G., 2002, In : Journal of Low Temperature Physics. 126, 1/2, p. 139-144

    Research output: Contribution to journalArticleScientificpeer-review

  65. 2001
  66. Published

    High temperature expansion and exact diagonalization of the rhodium nuclear spin system compared to experimental results

    Juntunen, K., Lefmann, K., Knuuttila, T. & Tuoriniemi, J., 2001, In : Journal of Low Temperature Physics. 124, 1/2, p. 271-289

    Research output: Contribution to journalArticleScientificpeer-review

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