caa a22 4500 44536579X CHVBK 20180317142930.0 cr unu---uuuuu 170323e20110301xx s 000 0 eng 10.1007/s10909-010-0321-1 doi (NATIONALLICENCE)springer-10.1007/s10909-010-0321-1 Phase Diagram of 4He Film in 3D Nanopores of ZTC [Elektronische Daten] [Yuna Nakashima, Taku Matsushita, Mitsunori Hieda, Nobuo Wada, Hirotomo Nishihara, Takashi Kyotani] In the study to examine effects of three-dimensional (3D) film connectivity on superfluid 4He film in the pore network, we have measured heat capacities of 4He film adsorbed in zeolite templated carbon (ZTC), which is an assembly of graphene fragments and has network of 1.2 nm pore with the 3D period of 1.4 nm, shorter than those of nanoporous materials studied so far. From the heat of desorption, the 4He film adsorbed in ZTC was observed to be formed up to about 1.4 atomic layers. Heat capacities of the 4He film are rather similar to those on SiO2-based porous materials than those on graphite, except for large heat capacities of monolayer 4He film. At low coverages, the heat capacity rapidly decreases below a temperature T L, suggesting a localized state of 4He at T<T L. The T L almost monotonically lowers with increasing the coverage. Heat capacity isotherms show maxima around 1.1 layers, which suggests quantum degenerate fluid (Bose fluid) above the coverage. From these results, the phase diagram of 4He film adsorbed in ZTC has been determined. Springer Science+Business Media, LLC, 2010 4He film nationallicence Restricted geometry nationallicence Phase diagram nationallicence 3D nanopores nationallicence Zeolite templated carbon (ZTC) nationallicence Nakashima Yuna Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut Matsushita Taku Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut Hieda Mitsunori Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut Wada Nobuo Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut Nishihara Hirotomo Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Aoba-ku, 980-8577, Sendai, Japan aut Kyotani Takashi Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Aoba-ku, 980-8577, Sendai, Japan aut Journal of Low Temperature Physics Springer US; http://www.springer-ny.com 162/5-6(2011-03-01), 565-572 0022-2291 162:5-6<565 2011 162 10909 https://doi.org/10.1007/s10909-010-0321-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10909-010-0321-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nakashima Yuna Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut NATIONALLICENCE 700 1- Matsushita Taku Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut NATIONALLICENCE 700 1- Hieda Mitsunori Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut NATIONALLICENCE 700 1- Wada Nobuo Department of Physics, Graduate School of Science, Nagoya University, Chikusa-ku, 464-8602, Nagoya, Japan aut NATIONALLICENCE 700 1- Nishihara Hirotomo Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Aoba-ku, 980-8577, Sendai, Japan aut NATIONALLICENCE 700 1- Kyotani Takashi Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Aoba-ku, 980-8577, Sendai, Japan aut NATIONALLICENCE 773 0- Journal of Low Temperature Physics Springer US; http://www.springer-ny.com 162/5-6(2011-03-01), 565-572 0022-2291 162:5-6<565 2011 162 10909 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer