user-k33231a@aalto.fi

Research groups

2017

Reivinen, M., Salonen, E.M., Todoshchenko, I. and Vaskelainen, V.P., An Enhanced Facet Determination Scheme in 3D, Journal of Low Temperature Physics, 186, 63-73 (2017). http://dx.doi.org/10.1007/s10909-016-1648-z
Todoshchenko, I., Savin, A., Haataja, M., Kaikkonen, J.-P., and Hakonen, P.J., Quartz tuning fork as a probe of surface oscillations, Applied Physics Letters, 110, 071601 (2017). http://dx.doi.org/10.1063/1.4976093

2016

Tuoriniemi, J., Physics at its coolest, Nature Physics, 12, 11-14 (2016). http://dx.doi.org/10.1038/nphys3616
Todoshchenko, I., Massless surface waves between two different superfluid phases of 3He, Physical Review B, 93, 134509 (2016). http://dx.doi.org/10.1103/PhysRevB.93.134509
Manninen, M.S., Ranni, A., Rysti, J., Todoshchenko I.A., and Tuoriniemi J.T., Surface waves on the superfluids 3He and 4He, Journal of Low Temperature Physics, 183, 399–415 (2016). http://dx.doi.org/10.1007/s10909-016-1590-0

2015

Manninen, M., Oscillations on helium surfaces, Aalto University, School of Science, Department of Applied Physics, , 62 + 115 (2015). http://dx.doi.org/
Reivinen, M., Salonen, E.-M., Todoshchenko, I, and Vaskelainen, V.P., Equilibrium Crystal Shapes by Virtual Work in 3D, Journal of Low Temperature Physics, 180, 394-415 (2015). http://dx.doi.org/10.1007/s10909-015-1313-y

2014

Ahlstrom, S.L., Bradley, D.I., Clovecko, M., Fisher, S.N., Guénault, A.M., Guise, E.A., Haley, R.P., Kolosov, O., Kumar , M., McClintock, P.V.E., Pickett, G.R., Polturak, E., Poole , M., Todoshchenko, I., Tsepelin, V., Woods, A.J., Response of a Mechanical Oscillator in Solid 4He, Journal of Low Temperature Physics, 175, 140-146 (2014). http://dx.doi.org/10.1007/s10909-013-0930-6
Manninen, M.S., Kaikkonen, J.-P., Peri, V., Rysti, J., Todoshchenko, I., Tuoriniemi, J., Excitation and Detection of Surface Waves on Normal and Superfluid 3He, Journal of Low Temperature Physics, 175, 56-62 (2014). http://dx.doi.org/10.1007/s10909-013-0971-x
Ahlstrom, S. L., Bradley, D. I., Človečko, M., Fisher, S. N., Guénault, A. M., Guise, E.A., Haley, R.P., Kumar, M., McClintock, P.V.E., Pickett, G.R., Polturak, E., Poole, M., Todoshchenko, I., Tsepelin, V., and Woods, A.J., Plastic Properties of Solid 4He Probed by a Moving Wire: Viscoelastic and Stochastic Behavior Under High Stress, Journal of Low Temperature Physics, 175, 147-153 (2014). http://dx.doi.org/10.1007/s10909-013-0922-6
Rysti, J., Manninen, M. S., and Tuoriniemi, J., Measurements on melting pressure, metastable solid phases, and molar volume of univariant saturated Helium mixture, Journal of Low Temperature Physics, 175, 739-754 (2014). http://dx.doi.org/10.1007/s10909-014-1154-0
Todoshchenko, I., Kaikkonen, J.-P., Blaauwgeers, R., Hakonen, P. J., and Savin, A., Dry demagnetization cryostat for sub-millikelvin helium experiments: Refrigeration and thermometry, Review of Scientific Instruments, 85, 085106 (2014). http://dx.doi.org/10.1063/1.4891619
Rysti, J. and Tuoriniemi, J., Quartz Tuning Forks and Acoustic Phenomena: Application to Superfluid Helium, Journal of Low Temperature Physics, 177, 3-4133-150 (2014). http://dx.doi.org/10.1007/s10909-014-1203-8
Manninen, M.S., Rysti, J., Todoshchenko, I., and Tuoriniemi, J., Quasiparticle damping of surface waves in superfluid 3He and 4He, Physical Review B, 90, 224502 (2014). http://dx.doi.org/10.1103/PhysRevB.90.224502
Tuoriniemi, J.T., Manninen, M.S., and Rysti, J., Pressure dependent attenuation peaks for quartz tuning forks in superfluid 4He at mK temperatures , Journal of Physics: Conference Series, 568, 012023 (2014). http://dx.doi.org/10.1088/1742-6596/568/1/012023

2013

Todoshchenko, I., Crystallization waves (In memory of Alexander Parshin). (JETP Letters, February 2014, Vol 98, Issue 12, pp. 863-867), Pis´ma v ZhETF, 98, 967 (2013). http://dx.doi.org/10.1134/S002136401325022X
Reivinen, M., Salonen, E.-M., Todoshchenko, I., and Vaskelainen, V.P., Equilibrium crystal shapes by virtual work, Journal of Low Temperature Physics, 170, 75-90 (2013). http://dx.doi.org/10.1007/s10909-012-0666-8
Rysti, J. and Tuoriniemi, J., Mechanical Oscillators in Inviscid Compressible Fluids, Journal of Low Temperature Physics, 171, 273-279 (2013). http://dx.doi.org/10.1007/s10909-012-0746-9
Rysti, J., Microscopic and Macroscopic Studies of Liquid and Solid Helium Mixtures, Aalto University, School of Science, O.V. Lounasmaa Laboratory, , 184 (2013). http://dx.doi.org/

2012

Rysti, J., Tuoriniemi, J., Salmela, A., and Sebedash, A., Melting pressure of saturated helium mixture at temperatures between 10 mK and 0.5 K, Journal of Physics: Conference Series, 400, 012065 (2012). http://dx.doi.org/
Tuoriniemi, J., Rysti, J., Salmela, A., and Manninen, M., Mode analysis for a quartz tuning fork coupled to acoustic resonances of fluid in a cylindrical cavity, Journal of Physics: Conference Series, 400, 012077 (2012). http://dx.doi.org/
Salmela, A., Experimental studies on dilute helium mixtures at low temperatures, Aalto University, School of Science, O.V. Lounasmaa Laboratory, , 1-174 (2012). http://dx.doi.org/
Rysti, J., Tuoriniemi, J., Salmela, A., Effective 3He interactions in dilute 3He-4He mixtures, Physical Review B, 85, 134529/1-8 (2012). http://dx.doi.org/10.1103/PhysRevB.85.134529

2011

Salmela A., Sebedash A., Rysti J., Pentti E., Tuoriniemi J., Osmotic pressure of He-3/He-4 mixtures at the crystallization pressure and at millikelvin temperatures, Physical Review B, 83, 134510/1-8 (2011). http://dx.doi.org/10.1103/PhysRevB.83.134510
Todoshchenko, I.A. Manninen, M.S., and Parshin, A. Ya., Anisotropy of c facets of 4He crystal, Physical Review B, 84, 075132 (2011). http://dx.doi.org/10.1103/PhysRevB.84.075132
Pentti, E., Rysti, J., Salmela, A., Sebedash, A., and Tuoriniemi, J., Studies on Helium Liquids by VibratingWires and Quartz Tuning Forks, Journal of Low Temperature Physics, 165, 132-165 (2011). http://dx.doi.org/10.1007/s10909-011-0394-5
Salmela, A., Tuoriniemi, J., and Rysti, J., Acoustic Resonances in Helium Fluids Excited by Quartz Tuning Forks , Journal of Low Temperature Physics, 162, 678-685 (2011). http://dx.doi.org/10.1007/s10909-010-0246-8
Rysti, J., Tuoriniemi, J., Sebedash, A., Salmela, A., Search for Superfluidity in 3He-4He Mixtures, Proceedings of the XLV Annual Conference of the Finnish Physical Society and the Second Nordic Physics Meeting, , 84 (2011). http://dx.doi.org/

2009

Salmela, A., Sebedash, A., Rysti, J., Pentti, E., and Tuoriniemi, J., Osmotic Pressure of 3He-4He Mixtures at 2.53 MPa Pressure and at Millikelvin Temperatures, Proceedings of the XLIII Annual Conference of the Finnish Physical Society, , 72 (2009). http://dx.doi.org/
Rysti, J. and Tuoriniemi, J., Interactions in Dilute 3He-4He Mixtures, Proceedings of the XLIII Annual Conference of the Finnish Physical Society, , 33 (2009). http://dx.doi.org/
Pentti, E., Dilute helium mixtures at low temperatures: properties and cooling methods, , , 154 (2009). http://dx.doi.org/
Todoshchenko, I.A., Alles, H., Junes, H.J., Manninen, M.S., and Parshin, A.Ya., Nuclear Spin Ordering on the Surface of a 3He Crystal: Magnetic Steps, Physical Review Letters, 102, 245302 (2009). http://dx.doi.org/10.1103/PhysRevLett.102.245302
Manninen, M.S., Junes, H.J., Kaikkonen, J.P., Parshin, A.Ya., Todoshchenko, I.A., and Tsepelin, V., Experimental setup for the observation of crystallization waves in 3He , Journal of Physics: Conference Series, 150, (2009). http://dx.doi.org/10.1088/1742-6596/150/1/012026
Salmela, A., Tuoriniemi, J., Pentti, E., Sebedash, A., and Rysti, J., Acoustic resonator providing fixed points of temperature between 0.1 and 2 K, Journal of Physics: Conference Series, 150, (2009). http://dx.doi.org/
Tuoriniemi, J., Nuclear ordering and superconductivity in lithium, Journal of Physics: Conference Series, 150, 042222 (2009). http://dx.doi.org/10.1088/1742-6596/150/4/042222
Sebedash, A., Tuoriniemi, J., Pentti, E., and Salmela, A., Improved capacitive melting curve measurements, Journal of Physics: Conference Series, 150, 012043 (2009). http://dx.doi.org/10.1088/1742-6596/150/1/012043
Junes, H., Experiments on the faceting and supersolidity in helium crystals, Low Temperature Laboratory , , 140 (2009). http://dx.doi.org/
Pentti, E., Rysti, J., Salmela, A., Sebedash, A., and Tuoriniemi, J., Studies on helium liquids by vibrating wires and quartz tuning forks, Low Temperature Laboratory Publications, , 1-36 (2009). http://dx.doi.org/

2008

Rysti, J., Tuoriniemi, J., Sebedash, A., Pentti, E., and Salmela, A., Dilute 3He-4He Mixtures at Low Temperatures, Proceedings of the XLII Annual Conference of the Finnish Physical Society, , 212 (2008). http://dx.doi.org/
Pentti, E.M., Tuoriniemi, J.T., Salmela, A.J., and Sebedash, A.P., Quartz tuning fork in Helium, Journal of Low Temperature Physics, 150, 555-560 (2008). http://dx.doi.org/10.1007/s10909-007-9583-7
Sebedash, A.P., Tuoriniemi, J.T., Pentti, E.M., and Salmela, A., Osmotic pressure of 3He-4He solutions at 25.3~bar and Low Temperatures, Journal of Low Temperature Physics, 150, 181-186 (2008). http://dx.doi.org/
Todoshchenko, I.A., Alles, H., Junes, H.J., Manninen, M.S., Parshin, A.Ya., and Tsepelin, V., Elementary Excitations in Solid and Liquid 4He at the Melting Pressure, Journal of Low Temperature Physics, 150, 258-266 (2008). http://dx.doi.org/10.1007/s10909-007-9544-1
Pentti, E.M., Tuoriniemi, J.T., Salmela, A.J., and Sebedash, A.P., Solubility of 3He in 4He at millikelvin temperatures up to the melting pressure measured by a quartz tuning fork, Physical Review B, 78, 064509/1- (2008). http://dx.doi.org/10.1103/PhysRevB.78.064509
Junes, H.J., Alles, H., Manninen, M.S., Parshin, A.Y., and Todoshchenko, I.A., Stacking fault energy in 4He crystals, Journal of Low Temperature Physics, 153, 244-249 (2008). http://dx.doi.org/10.1007/s10909-008-9828-0
Todoshchenko, I.A., Alles, A., Junes, H.J., Manninen, M.S., and Parshin, A.Ya., Devil's staircase of facets on the surface of 4He crystals, Physical Review Letters, 101, 255302/1-4 (2008). http://dx.doi.org/10.1103/PhysRevLett.101255302

2007

Tuoriniemi, J., Superconductivity in Lithium, Proceedings of the XLI Annual Conference of the Finnish Physical Society, , 12 (2007). http://dx.doi.org/
Tuoriniemi, J., Sebedash, A., Boldarev, S., Pentti, E., Salmela, A., and Rysti, J., Adiabatic melting of 4he crystal to superfluid 3He: Progress of the experiment, Proceedings of the XLI Annual Conference of the Finnish Physical Society, , 268 (2007). http://dx.doi.org/
Tuoriniemi, J., Juntunen-Nurmilaukas, K., Uusvuori, J., Pentti, E., Salmela, A., and Sebedash, A., Superconductivity in lithium below 0.4 millikelvin at ambient pressure, Nature, 447, 187-189 (2007). http://dx.doi.org/10.1038/nature05820
Sebedash, A.P., Tuoriniemi, J.T., Boldarev, S.T., Pentti, E.M.M., and Salmela, A.J., Adiabatic melting of 4He crystal in superfluid 3He at sub-millikelvin temperatures, Journal of Low Temperature Physics, 148, 725-729 (2007). http://dx.doi.org/10.1007/s10909-007-9443-5
Pentti, E., Tuoriniemi, J., Salmela, A., and Sebedash, A., Melting pressure thermometry of the saturated helium mixture at millikelvin temperatures, Journal of Low Temperature Physics, 146, 71-83 (2007). http://dx.doi.org/

2006

Sebedash, A., Tuoriniemi, J.T., Boldarev, S., Pentti, E.M., and Salmela, A., Cooling of dilute 3He-4He mixtures by adiabatic melting of 4He at submillikelvin temperatures, Proceedings of the XL Annual Conference of the Finnish Physical Society, , 32 (2006). http://dx.doi.org/
Tuoriniemi, J.T. and Juntunen, K.I., NMR response of highly polarized and magnetically ordered nuclei in lithium metal down to nanokelvin temperatures, AIP Conference Proceedings, 850, 1295-1296 (2006). http://dx.doi.org/
Sebedash, A., Tuoriniemi, J.T., Boldarev, S., Pentti, E.M., and Salmela, A.J., Melting pressure thermometry for dilute 3He-4He mixtures, AIP Conference Proceedings, 850, 1591-1592 (2006). http://dx.doi.org/

2005

Juntunen, K.I., and Tuoriniemi, J.T., NMR spectra of highly polarized lithium, Journal of Low Temperature Physics, 138, 759-764 (2005). http://dx.doi.org/
Juntunen, K.I. and Tuoriniemi, J.T., Experiment on nuclear ordering and superconductivity in lithium, Journal of Low Temperature Physics, 141, 235-293 (2005). http://dx.doi.org/10.1007/s10909-005-8539-z
Salmela, A., Pentti, E., Sebedash, A., and Tuoriniemi, J., Thermometry for a 3He/4He adiabatic melting experiment, Proceedings of the XXXIX Annual Conference of the Finnish Physical Society, , 23 (2005). http://dx.doi.org/
Juntunen, K., Nuclear magnetism and superconductivity: Investigations on lithium and rhodium, Low Temperature Laboratory , , 222 (2005). http://dx.doi.org/

2004

Tuoriniemi, J., and Juntunen, K., Nuclei in cooperation, Journal of Low Temperature Physics, 135, 513-543 (2004). http://dx.doi.org/
Juntunen, K.I., and Tuorinimi, J.T., Experiment on nuclear ordering and superconductivity in lithium, Low Temperature Laboratory Publications, , 1-52 (2004). http://dx.doi.org/
Juntunen, K.I., and Tuoriniemi, J.T., Nuclear ordering in lithium and an upper limit on its ambient pressure superconducting transition temperatures, Physical Review Letters, 93, 157201/1-4 (2004). http://dx.doi.org/10.1103/PhysRevLett.93.157201

2003

Martikainen, J., Tuoriniemi, J., Pentti, E., and Pickett, G., Vibrating wire measurements in dilute 3He-4He solutions at ballistic quasiparticle regime, Physica B, 329-333, 178-179 (2003). http://dx.doi.org/
Tuoriniemi, J., Juntunen, K., and Uusvuori, J., Thermal contact to lithium metal, Physica B, 329-333, 1294-1295 (2003). http://dx.doi.org/
Tuoriniemi, J., Matalimmat lämpötilat - miksi ja miten , Tietoyhteys, Joulukuu, 32-33 (2003). http://dx.doi.org/

2002

Tuoriniemi, J., Martikainen, J., Pentti, E., Sebedash, A., Boldarev, S., and Picket, G., Towards superfluidity of 3He diluted by 4He, Journal of Low Temperature Physics, 129, 531-545 (2002). http://dx.doi.org/10.1023/A:1021468614550
Martikainen, J., Tuoriniemi, J., Knuuttila, T., and Pickett, G., Vibrating wire measurements in 3He-4He mixtures in the ballistic quasiparticle regime, Journal of Low Temperature Physics, 126, 139-144 (2002). http://dx.doi.org/

2001

Lefmann, K., Knuuttila, T.A., Martikainen, J.E., Kuhn, L.T., and Nummila, K.K., Effect of heat treatment of pure and carbon-polluted rhodium samples on the low-temperature resistivity, Journal of Materials Science, 36, 839-844 (2001). http://dx.doi.org/
Knuuttila, T.A., Tuoriniemi, J.T., Lefmann, K., Juntunen, K.I., Rasmussen, F.B., and Nummila, K.K., Polarized nuclei in normal and superconducting rhodium, Journal of Low Temperature Physics, 123, 65-102 (2001). http://dx.doi.org/
Martikainen, J., and Tuoriniemi, J.T., SQUID amplifier system for vibrating wire resonators, Journal of Low Temperature Physics, 124, 367-382 (2001). http://dx.doi.org/
Juntunen, K.I., Lefmann, K., Knuuttila, T.A., and Tuoriniemi, J.T., High temperature expansion and exact diagonalization of the rhodium nuclear spin system compared to experimental results, Journal of Low Temperature Physics, 124, 271-289 (2001). http://dx.doi.org/

2000

Tuoriniemi, J.T., Knuuttila, T.A., Lefmann, K., Nummila, K.K., and Yao, W., Double-spin-flip resonance of rhodium nuclei at positive and negative spin temperatures, Physical Review Letters, 84, 370-373 (2000). http://dx.doi.org/10.1103/PhysRevLett.84.370
Tuoriniemi, J.T., and Knuuttila, T.A., Nuclear cooling and spin properties of rhodium down to picokelvin temperatures, Physica B, 280, 474-478 (2000). http://dx.doi.org/
Niemetz, M., Schoepe, W., Simola, J.T., and Tuoriniemi, J.T., The oscillating magnetic microsphere: a tool for investigating vorticity in superconductors and superfluids, Physica B, 280, 559-560 (2000). http://dx.doi.org/
Knuuttila, T., Martikainen, J., Rasmussen, F., and Tuoriniemi, J., Double-spin-flip mode of rhodium nuclei, Physica B, 284-288, 1700-1701 (2000). http://dx.doi.org/
Knuuttila, T.A., Tuoriniemi, J.T., Lefmann, K., Juntunen, K.I., Rasmussen, F.B., and Nummila, K.K., Polarized nuclei in normal and superconducting rhodium, HUT REPORTS, TKK-KYL-002, 40 (2000). http://dx.doi.org/
Knuuttila, T.A., Tuoriniemi, J.T., and Lefmann, K., Relaxation of polarized nuclei in superconducting rhodium, Physical Review Letters, 85, 2573-2576 (2000). http://dx.doi.org/10.1103/PhysRevLett.85.2573
Knuuttila, T., Nuclear magnetism and superconductivity in rhodium, Low Temperature Laboratory , , 214 (2000). http://dx.doi.org/
Ishii, H., and Hakonen, P., Nuclear spin relaxation at ultralow temperatures, Physica B, 284-288, 1706-1707 (2000). http://dx.doi.org/

1999

Ishii, H., and Hakonen, P.J., Nuclear spin relaxation at ultralow temperatures, Physical Review B, 59, 9462-9466 (1999). http://dx.doi.org/10.1103/PhysRevB.59.9462

1998

Siemensmeyer, K., Clausen, K.N., Lefmann, K., Lounasmaa, O.V., Metz, A., Nummila, K.K., Rasmussen, F.B., Steiner, M., Tuoriniemi, J.J.T., and Vuorinen, R.T., Neutron studies of nuclear magnetism at ultralow temperature, Physica B, , 506-510 (1998). http://dx.doi.org/
Knuuttila, T.A., Nummila, K.K., Yao, W., Kauppinen, J.P., and Pekola, J.P., Direct measurements of electron thermalization in Coulomb blockade nanothermometers at millikelvin temperatures, Physica E, 3, 224-228 (1998). http://dx.doi.org/

1997

Oja, A.S., and Lounasmaa, O.V., Nuclear magnetic ordering in simple metals at positive and negative nanokelvin temperatures, Reviews of Modern Physics, 69, 1-136 (1997). http://dx.doi.org/10.1103/RevModPhys.69.1
Tuoriniemi, J.T., Nummila, K.K., Lefmann, K., Vuorinen, R.T., and Metz, A., Neutron thermometry applied to magnetization and spin-lattice relaxation measurements on silver nuclei, Zeitschrift für Physik B - Condensed Matter, 102, 433-438 (1997). http://dx.doi.org/
Lefmann, K., Tuoriniemi, J.T., Nummila, K.K., and Metz, A., Neutron thermometry on polarized silver nuclei at sub-microkelvin spin temperatures, Zeitschrift für Physik B - Condensed Matter, 102, 439-447 (1997). http://dx.doi.org/
Yao, W., A Versatile Nuclear Demagnetization Cryostat for Ultralow Temperature Research, Low Temperature Laboratory , , 108 (1997). http://dx.doi.org/
Lounasmaa, O.V., Nuclear magnetism in copper, silver, and rhodium metals at positive and negative spin temperatures in the nano- and picokelvin regimes, Magnetism in Metals, A symposium in Memory of Allan Mackintosh, 45, 401 - 443 (1997). http://dx.doi.org/
Siemensmeyer, K., Clausen, K.N., Lefmann, K., Lounasmaa, O.V., Metz, A., Nummila, K.K., Rasmussen, F.B., Steiner, M., Tuoriniemi, J.T., and Vuorinen, R.T., Nuclear order in silver at pico-Kelvin temperatures, Physica B, , 768-769 (1997). http://dx.doi.org/

1996

Steiner, M., Metz, A., Siemensmeyer, K., Lounasmaa, O.V., Tuoriniemi, J.T., Nummila, K.K., Vuorinen, R.T., Clausen, K.N., Lefmann, K., and Rasmussen, F.B., Neutron diffraction determination of the nuclear spin ordering in Cu and Ag at nano- and subnano-K temperatures, Journal of Applied Physics, 79, 5078-5080 (1996). http://dx.doi.org/
Lefmann, K., Tuoriniemi, J.T., Nummila, K.K., Vuorinen, R.T., and Metz, A., Neutron thermometry of highly polarized silver nuclei, Czechoslovak Journal of Physics, 46, Suppl. S5, 2861-2862 (1996). http://dx.doi.org/
Nummila, K.K., Tuoriniemi, J.T., Vuorinen, R.T., Lounasmaa, O.V., Lefmann, K., Clausen, K.N., Metz, A., Siemensmeyer, K., Lipinski, L., Steiner, M., and Rasmussen, F.B., Neutron experiments on nuclear order in silver at pK temperatures, Czechoslovak Journal of Physics, 46, Suppl. S4, 2201-2202 (1996). http://dx.doi.org/
Rasmussen, F.B., Baklanov, K., Hassenkam, T., Pedersen, S., Sorensen, C.B., Lindelof, P.E., Vuorinen, R.T., and Lipinski, L., Three-axis absolute magnetometer utilizing weak localization, Czechoslovak Journal of Physics, 46, Suppl. S2, 2773-2774 (1996). http://dx.doi.org/
Yao, W., Knuuttila, T.A., Martikainen, J.E., Nummila, K.K., Lounasmaa, O.V., Oja, A.S., and Lefmann, K., A new ultralow temperature cryostat in Helsinki, Czechoslovak Journal of Physics, 46, Suppl. S5, 2793-2794 (1996). http://dx.doi.org/
Nummila, K., Neutron diffraction studies of nuclear order in silver at pK temperatures, Czechoslovak Journal of Physics, 46, Suppl. S6, 3271-3278 (1996). http://dx.doi.org/

1995

Hakonen, P.J., and Vuorinen, R.T., Nuclear magnetic ordering in silver and rhodium at positive and negative picokelvin temperatures, Journal of Magnetism and Magnetic Materials, 140-144, 17-20 (1995). http://dx.doi.org/
Vuorinen, R.T., Hakonen, P.J., Yao, W., and Lounasmaa, O.V., Susceptibility and relaxation measurements on rhodium metal at positive and negative spin temperatures in the nanokelvin range, Journal of Low Temperature Physics, 98, 449-487 (1995). http://dx.doi.org/
Tuoriniemi, J.T., Nummila, K.K., Vuorinen, R.T., Lounasmaa, O.V., Metz, A., Siemensmeyer, K., Steiner, M., Lefmann, K., Clausen, K.N., and Rasmussen, F.B., Neutron experiments on antiferromagnetic nuclear order in silver at picokelvin temperatures, Physical Review Letters, 75, 3744-3747 (1995). http://dx.doi.org/10.1103/PhysRevLett.75.3744
Lounasmaa, O.V., Nummila, K.K., Tuoriniemi, J.T., Vuorinen, R.T., Clausen, C.N., Lefmann, K., Rasmussen, F.B., Metz, A., Siemensmeyer, K., and Steiner, M., Nuclear antiferromagnetic order in Ag at nano - Kelvin - temperatures, Berlin Neutron Scattering Center Experimental Reports 1994, , 355-356 (1995). http://dx.doi.org/
Tuoriniemi, J.T., Lefmann, K., Nummila, K.K., and Metz, A., Neutron studies of highly polarized silver nuclei at nanokelvin spin temperatures, HUT REPORTS, , (1995). http://dx.doi.org/
Tuoriniemi, J., Neutron experiments on nuclear magnetism in copper and silver, Low Temperature Laboratory , , 183 (1995). http://dx.doi.org/
Vuorinen, R., NMR measurements on nuclear spin systems of silver and rhodium metals at positive and negative picokelvin temperatures, Low Temperature Laboratory , , 124 (1995). http://dx.doi.org/

1994

Hakonen, P.J., Vuorinen, R.T., and Martikainen, J.E., Anomalous spin-lattice relaxation in dilute RhFe at positive and negative nanokelvin temperatures, Physica B, 194-196, 341-342 (1994). http://dx.doi.org/
Lounasmaa, O.V., On both sides of the absolute zero, Priroda, 4, 70-78 (1994). http://dx.doi.org/
Hakonen, P.J., Calculation of nuclear-spin entropy in silver and rhodium at positive and negative temperatures using Monte Carlo simulations, Physical Review B, 49, 15363-15365 (1994). http://dx.doi.org/10.1103/PhysRevB.49.15363
Hakonen, P., and Lounasmaa, O.V., Negative absolute temperatures: "Hot" spins in spontaneous magnetic order, Science, 265, 1821-1825 (1994). http://dx.doi.org/
Vuorinen, R.T., Hakonen, P.J., and Martikainen, J.E., Nuclear antiferromagnetism in rhodium metal at positive and negative nanokelvin temperatures, Physica B, 194-196, 2818-2821 (1994). http://dx.doi.org/
Hakonen, P.J., Vuorinen, R.T., and Martikainen, J.E., Anomalous spin-lattice relaxation in dilute RhFe at positive and negative nanokelvin spin temperatures, Europhysics Letters, 25, 551-556 (1994). http://dx.doi.org/
Lounasmaa, O.V., Hakonen, P., Nummila, K., Vuorinen, R., and Martikainen, J., Negative nanokelvin temperatures in the nuclear spin systems of silver and rhodium metals, Physica B, 194-196, 291-292 (1994). http://dx.doi.org/

1993

Vuorinen, R.T., Hakonen, P.J., and Martikainen, J.E., Nuclear antiferromagnetism in rhodium metal at positive and negative nanokelvin temperatures, Physical Review Letters, 70, 2818-2821 (1993). http://dx.doi.org/10.1103/PhysRevLett.70.2818
Hakonen, P., Nuclear magnetic ordering in silver at positive and negative spin temperatures, Physica Scripta, T49, 327-332 (1993). http://dx.doi.org/
Lounasmaa, O.V., Negative temperature, McGraw-Hill Year-Book of Science and Technology, , 273-276 (1993). http://dx.doi.org/

1992

Hakonen, P.J., Nummila, K.K., Vuorinen, R.T., and Lounasmaa, O.V., Observation of nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures, Physical Review Letters, 68, 365-368 (1992). http://dx.doi.org/10.1103/PhysRevLett.68.365
Hakonen, P.J., Nummila, K.K., Vuorinen, R.T., and Yin, S., Antiferromagnetic ordering in silver at picokelvin temperatures, Journal of Magnetism and Magnetic Materials, 104-107, 903-904 (1992). http://dx.doi.org/
Hakonen, P.J., Nummila, K.K., and Vuorinen, R.T., Spin dynamics in highly polarized silver at negative absolute temperatures, Physical Review B, 45, 2196-2200 (1992). http://dx.doi.org/10.1103/PhysRevB.45.2196
Annila, A.J., Clausen, K.N., Oja, A.S., Tuoriniemi, J.T., and Weinfurter, H., Neutron-diffraction studies of the nuclear magnetic phase diagram of copper, Physical Review B, 45, 7772-7788 (1992). http://dx.doi.org/10.1103/PhysRevB.45.7772
Siemensmeyer, K., Steiner, M., Weinfurther, H., Clausen, K.N., Lindgård, P.-A., Annila, A.J., Lounasmaa, O.V., Oja, A.S., and Tuoriniemi, J.T., The phase diagram and the magnetic structure of nuclear spins in elemental copper below 60 nK, Physica B, 180&181, 29-30 (1992). http://dx.doi.org/
Hakonen, P.J., and Vuorinen, R.T., Nuclear ferromagnetic ordering in silver at negative nanokelvin temperatures, Journal of Low Temperature Physics, 89, 177-186 (1992). http://dx.doi.org/

1991

Yin, S., and Hakonen, P., Electron-beam welded Cu-to-Ag joints for thermal contact at low temperatures, Review of Scientific Instruments, 62, 1370-1371 (1991). http://dx.doi.org/
Oja, A.S., Nuclear magnetic ordering in copper and silver at nanokelvin temperatures, Physica B, 169, 306-315 (1991). http://dx.doi.org/
Hakonen, P.J., Yin, S., and Nummila, K.K., Phase diagram and NMR studies of antiferromagnetically ordered polycrystalline silver, Europhysics Letters, 15, 677-682 (1991). http://dx.doi.org/
Oja, A.S., Annila, A.J., and Takano, Y., Investigations of nuclear magnetism in silver down to picokelvin temperatures I, HUT REPORTS, , 1-24 (1991). http://dx.doi.org/
Hakonen, P.J., and Nunes Jr., G., Electrical transport in bismuth whiskers at millikelvin temperatures, Journal of Physics: Condensed Matter, 3, 7153-7160 (1991). http://dx.doi.org/
Kwong, Y.K., Lin, K., Hakonen, P.J., Isaacson, M.S., and Parpia, J.M., Interfacial resistive anomaly at a normal-superconducting boundary, Physical Review B, 44, 462-465 (1991). http://dx.doi.org/10.1103/PhysRevB.44.462
Annila, A.J., Clausen, K.N., Oja, A.S., Tuoriniemi, J.T., and Weinfurter, H., Neutron diffraction studies of the nuclear magnetic phase diagram of copper, HUT REPORTS, , (1991). http://dx.doi.org/
Annila, A., Nuclear magnetism in metals: neutron diffraction experiments on copper and NMR measurements on Silver, Low Temperature Laboratory , , (1991). http://dx.doi.org/

1990

Hakonen, P., and Oja, A., Metalliydinten spontaani magneettinen järjestyminen nanokelvinin lämpötiloissa, Arkhimedes, 42, 296-313 (1990). http://dx.doi.org/
Lounasmaa, O.V., Magnetic cooling, APS Encyclopedia of Physics 1990, , 658-661 (1990). http://dx.doi.org/
Annila, A.J., Clausen, K.N., Lindgård, P.-A., Lounasmaa, O.V., Oja, A.S., Siemensmeyer, K., Tuoriniemi, J.T., and Weinfurter, H., Nuclear antiferromagnetic phases of copper in a field, Physica B, 165 &166, 781-782 (1990). http://dx.doi.org/
Annila, A.J., Clausen, K.N., Oja, A.S., Siemensmeyer, K., Steiner, M., Tuoriniemi, J.T., and Weinfurter, H., Kinetics, hysteresis and nonadiabaticity of the phase transitions in the nuclear spin system of copper, Physica B, 165 &166, 783-784 (1990). http://dx.doi.org/
Hakonen, P., and Yin, S., Studies of nuclear magnetism in silver at positive and negative nanokelvin temperatures, Physica B, 165 &166, 785-786 (1990). http://dx.doi.org/
Annila, A.J., Clausen, K.N., Hakonen, P.J., Lindgård, P.-A., Lounasmaa, O.V., Nummila, K.K., Oja, A.S., Siemensmeyer, K., Steiner, M., Tuoriniemi, J.T., Weinfurter, H., and Viertiö, H.E., Neutron diffraction experiments on ordered silver nuclei at picokelvin temperatures - A feasibility study, Risoe National Laboratory Report Series, , (1990). http://dx.doi.org/
Annila, A.J., Clausen, K.N., Lindgård, P.-A., Lounasmaa, O.V., Oja, A.S., Siemensmeyer, K., Steiner, M., Tuoriniemi, J.T., and Weinfurter, H., Nuclear order in copper: New type of antiferromagnetism in an ideal fcc system, Physical Review Letters, 64, 1421-1424 (1990). http://dx.doi.org/10.1103/PhysRevLett.64.1421
Annila, A.J., Clausen, K.N., Lindgård, P.-A., Lounasmaa, O.V., Oja, A.S., Siemensmeyer, K., Steiner, M., Tuoriniemi, J.T., and Weinfurter, H., Nuclear order in copper: New type of antiferromagnetism in an ideal fcc system, Physica B, 165 &166, 1421-1424 (1990). http://dx.doi.org/
Hakonen, P.J., Yin, S., and Lounasmaa, O.V., Nuclear magnetism in silver at positive and negative absolute temperatures in the low nanokelvin range, Physical Review Letters, 64, 2707-2710 (1990). http://dx.doi.org/10.1103/PhysRevLett.64.2707
Oja, A.S., Annila, A.J., and Takano, Y., Cross relaxation by single spin flips in silver at nanokelvin temperatures, Physical Review Letters, 65, 1921-1924 (1990). http://dx.doi.org/10.1103/PhysRevLett.65.1921

1989

Jyrkkiö, T.A., Huiku, M.T., Siemensmeyer, K., and Clausen, K.N., Neutron diffraction studies of nuclear magnetic ordering in copper, Journal of Low Temperature Physics, 74, 435-473 (1989). http://dx.doi.org/
Oja, A.S., Wang, X.W., and Harmon, B.N., First-principles study of the conduction-electron-mediated interactions between nuclear spins in copper metal, Physical Review B, 39, 4009-4021 (1989). http://dx.doi.org/10.1103/PhysRevB.39.4009
Lounasmaa, O.V., Nuclear magnetic ordering at nanokelvin temperatures, Physics Today, October, 26-33 (1989). http://dx.doi.org/
Oja, A., and Viertiö, H., Ydinten magneettinen järjestyminen kuparissa nanokelvinlämpötiloissa, Arkhimedes, 41, 190-200 (1989). http://dx.doi.org/

1988

Jyrkkiö, T.A., Huiku, M.T., Clausen, K.N., Siemensmeyer, K., Kakurai, K., and Steiner, M., Calibration and applications of polarized neutron thermometry at milli- and microkelvin temperatures, Zeitschrift für Physik B - Condensed Matter, 71, 139-148 (1988). http://dx.doi.org/
Jyrkkiö, T.S., Huiku, M.T., Lounasmaa, O.V., Siemensmeyer, K., Kakurai, K., Steiner, M., Clausen, K.N., and Kjems, J.K., Observation of nuclear antiferromagnetic order in copper by neutron diffraction at nanokelvin temperatures, Physical Review Letters, 60, 2418-2421 (1988). http://dx.doi.org/10.1103/PhysRevLett.60.2418
Lindgård, P.-A., Viertiö, H.E., and Mouritsen, O.G., Monte Carlo simulation of adiabatic cooling and nuclear magnetism, Physical Review B, 38, 6798-6806 (1988). http://dx.doi.org/10.1103/PhysRevB.38.6798
Oja, A.S., Annila, A.J., and Takano, Y., Resplitting of exchange-merged NMR absorption lines at high spin polarizations, Physical Review B, 38, 8602-8608 (1988). http://dx.doi.org/10.1103/PhysRevB.38.8602
Viertiö, H.E., Mouritsen, O.G., and Lindgård, P.-A., Computer simulation and mean field calculation of phase diagram and adiabatic demagnetization paths for an antiferromagnet, Journal de Physique, 49, 2053-2054 (1988). http://dx.doi.org/
Jyrkkiö, T., Magnetic Susceptibility and Neutron Diffraction Experiments on Nuclear Ordering in Copper, Low Temperature Laboratory , , (1988). http://dx.doi.org/
Oja, A., Nuclear Magnetism in Copper and Silver: Theory and Experiments, Low Temperature Laboratory , , (1988). http://dx.doi.org/

1987

Oja, A.S., and Kumar, P., Indirect Nuclear Spin Interactions and Nuclear Ordering in Metals, Journal of Low Temperature Physics, 66, 155-167 (1987). http://dx.doi.org/
Viertiö, H.E., and Oja, A.S., Ground state of nuclear spins in fcc metals, Physical Review B, 36, 3805-3808 (1987). http://dx.doi.org/10.1103/PhysRevB.36.3805
Oja, A.S., Nuclear magnetism in metals, Physica Scripta, T19, 462-468 (1987). http://dx.doi.org/
Oja, A.S., and Viertiö, H.E., Magnetically Ordered Structures of Nuclear Spins in fcc Metals, Japanese Journal of Applied Physics, 26, 441-442 (1987). http://dx.doi.org/

1986

Kumar, P., Kurkijärvi, J., and Oja, A.S., Nuclear magnetism in a metal, Physical Review B, 33, 444-449 (1986). http://dx.doi.org/10.1103/PhysRevB.33.444
Huiku, M.T., Jyrkkiö, T.A., Kyynäräinen, J.M., and Oja, A.S., Nuclear Magnetic Ordering in Copper: Present Knowledge and Future Experiments, Physica Scripta, T13, 114-118 (1986). http://dx.doi.org/

1985

Huiku, M., Magnetic Investigations of Nuclear Ordering in Copper at Nanokelvin Temperatures, Low Temperature Laboratory , , (1985). http://dx.doi.org/
Kumar, P., Kurkijärvi, J., and Oja, A.S., Phase diagram for spontaneous magnetic ordering in copper, Physical Review B, 31, 3194- (1985). http://dx.doi.org/10.1103/PhysRevB.31.3194

1984

Oja, A.S.J., and Kumar, P., Helical Structures of Nuclear Spins in a Metal, Physica B & C, 126B, 451- (1984). http://dx.doi.org/
Lounasmaa, O.V., Adiabatic Nuclear Demagnetization: Two Sophisticated Experiments,, Physica B & C, 126B+C, 8-17 (1984). http://dx.doi.org/

1983

Huiku, M.T., Jyrkkiö, T.A., Loponen, M.T., and O.V., L., Nuclear Cooperative Phenomena in Copper at Nanokelvin Temperatures, Conference on Quantum Fluids and Solids - 1983, 103, 441- (1983). http://dx.doi.org/
Huiku, M.T., Jyrkkiö, T.A., and Loponen, M.T., Nuclear Magnetism in Metallic Copper at Nanokelvin Temperatures, 17th Annual Meeting of the Finnish Physical Society, , - (1983). http://dx.doi.org/
Huiku, M.T., Jyrkkiö, T.A., and Loponen, M.T., Experimental Entropy susceptibility vs. temperature curves of copper nuclear spins down to the ordered state, HUT REPORTS, , (1983). http://dx.doi.org/
Huiku, M.T., Jyrkkiö, T.A., Loponen, M.T., and Lounasmaa, O.V., Nuclear Ordering in Copper, HUT REPORTS, , (1983). http://dx.doi.org/
Clausen, K., Huiku, M.T., Jyrkkiö, T.A., Loponen, M.T., Lounasmaa, O.V., Roach, P.R., and Sköld, K., Neutron Diffraction Experiments on Ordered Copper Nuclei at Nanokelvin Temperatures, HUT REPORTS, , (1983). http://dx.doi.org/

1982

Soini, J., Investigations of Nuclear Magnetism in Copper at Nanokelvin Temperatures, Low Temperature Laboratory , , (1982). http://dx.doi.org/

1979

Loponen, M., Experiments with Superfluid 3He and Nuclear Spins of Copper at Very Low Temperatures, Low Temperature Laboratory , , 182 (1979). http://dx.doi.org/