Argon Adsorption on MCM-41 Mesoporous Crystal Studied by In Situ Synchrotron Powder X-ray Diffraction

Norihiro Muroyama,† Arisa Yoshimura,‡ Yoshiki Kubota,‡ Keiichi Miyasaka,† Tetsu Ohsuna,§,| Ryong Ryoo,⊥ Peter I. Ravikovitch,# Alexander V. Neimark,*,∇ Masaki Takata,O and Osamu Terasaki*,† Structural Chemistry, Arrhenius Laboratory, Stockholm UniVersity, SE-10691 Stockholm, Sweden, Department of Physical Science, Graduate School of Science, Osaka Prefecture UniVersity, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan, CREST, Japan Science and Technology Agency, Honcho 4-1-8, Kawaguchi-shi, Saitama, 332-0012, Japan, Kagami Memorial Laboratory for Materials Science and Technology, Waseda UniVersity, Nishiwaseda 2-8-26, Shinjuku-ku, Tokyo, 169-0051, Japan, Center for Functional Nanomaterials and Department of Chemistry (School of Molecular Science BK21), Korea AdVanced Institute of Science and Technology, Daejeon, 305-701, Korea, ExxonMobil Research and Engineering Company, 1545 Route 22 East, Annandale, New Jersey 08801, Department of Chemical and Biochemical Engineering, Rutgers, The State UniVersity of New Jersey, 98 Brett Road, Piscataway, New Jersey 08854-8058, and Structural Science Laboratory, Harima Institute SPring-8 Center, RIKEN and CREST, Japan Science and Technology Agency, Sayo-gun, Hyogo, 679-5198, Japan