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1)Hybrid cryogenic refrigerator combining magnetic- and gas-cooling system,
H. Yayama, Y. Hatta, and A. Tomokiyo,
Physica B: Condensed Matter, 284-288 (2000) pp. 2016-2017.
2)Electrical conductivity of quasi-one-dimensional electrons on helium film,
H. Yayama, I.B. Berkutov, and A. Tomokiyo,
Physica B: Condensed Matter, 284-288 (2000) pp. 1914-1915.
3)Hybrid Cryogenic Refrigerator: Combination of Brayton Magnetic-Cooling
and Gifford-McMahon Gas-Cooling System,
H. Yayama, H. Hatta, Y. Makimoto, and A. Tomokiyo,
Jpn. J. Appl. Phys. 39 (2000) pp. 4220-4224.
4)Temperature dependence of electrical conductance in 1D electron system
formed on liquid helium surface,
Hideki Yayama and Igor B. Berkutov,
Physica E 18 (2003) pp. 177-178.
5)Spin-polarization effect on electron attachment to atomic hydrogen on
liquid helium surface,
T. Arai, T. Mitsui and H. Yayama,
J. Low Temp. Phys. 138 (2005) pp. 445-450.
6)Helium surface electron attachment to atomic hydrogen in applied magnetic field,
Toshikazu Arai, Tomoyuki Mitsui and Hideki Yayama,
J. Phys. Chem. Sol. 66 (2005) 1549-1551.
7)Localization and Ordering of Carriers in a Quasi-One-Dimensional Electron System
on Liquid Helium,
V.A. Nikolaenko, I.B. Berkutov, Yu.Z. Kovdrya, R. Kobayashi and H. Yayama,
J. Low Temp. Phys. 148 (2007) pp.175-179.
8)Charge Transport in Quasi-One-Dimensional Electron System on Liquid Helium,
R. Kobayashi, I.B. Berkutov, S. Yamanaka, T. Arai and H. Yayama,
J. Phys. Soc. Jpn., 76 (2007) Supp. A, pp.169-197.
9)Electron attachment to atomic hydrogen on the surface of liquid 4He,
Toshikazu Arai, Hideki Yayama and Kimitoshi Kono,
Low Temp. Phys. 34 (2008) pp.397-403.
 10) Conductivity Measurement of Helium Surface Electrons in the Coexistence of Adsorbed 2D Atomic Hydrogen Gas,
T Arai, S Yamanaka, H Yayama, A Fukuda and A Sawada,
J. Phys.: Conf. Ser., 150 (2009) 032129-1~4.


11) Installation of a Superconducting Magnet in a Cryogen-Free Dilution Refrigerator,
Hideki Yayama and Michihiro Yoshimura,
J. Phys.: Conf. Ser., 150 (2009) 012056-1~4.