{"id":718,"date":"2023-07-07T10:47:43","date_gmt":"2023-07-07T01:47:43","guid":{"rendered":"https:\/\/www.elst.okayama-u.ac.jp\/en\/?page_id=718"},"modified":"2026-05-08T14:14:21","modified_gmt":"2026-05-08T05:14:21","slug":"areas04_earth","status":"publish","type":"page","link":"https:\/\/www.elst.okayama-u.ac.jp\/en\/education\/mc-chikyu\/areas04_earth\/","title":{"rendered":"Physics of the Earth and Planetary Interiors"},"content":{"rendered":"<h4>&nbsp;<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-69 aligncenter\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/Fig_group.jpg\" alt=\"\" width=\"494\" height=\"370\"><\/p>\n<p><span style=\"font-size: 12pt\">We investigate structures and properties of materials which consist of Earth and planetary interiors to clarify phenomena occurring in the Earth and planetary interiors. Planetary interior environments are produced in the lab using high-pressure devices, such as large-volume press and diamond anvil cell.<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/www.okayama-u.ac.jp\/user\/earth\/index_e.html\">Department of Earth Sciences<\/a><\/li>\n<\/ul>\n<table class=\"el_table_fix\" style=\"width: 100%\">\n<tbody>\n<tr>\n<th style=\"width: 20%\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/Terasaki_Hidenori.jpg\" width=\"320\" height=\"408\"><\/th>\n<td style=\"width: 80%\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Prof. TERASAKI Hidenori<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: tera<span style=\"color: #0000ff\"> [at]<\/span> okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Planetary core, Formation and evolution of the core, Physical properties of liquids<br \/>\n<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/62f47c6c8eb580a074506e4da22f6611_en.html\">Directory of Researchers<\/a>\u3000\u3000\u3000<a class=\"el_linkBtn\" href=\"https:\/\/www.okayama-u.ac.jp\/user\/earth\/ja\/research\/staff_terasaki.html\">Link to homepage<\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>&nbsp;<\/h5>\n<div style=\"width: 240px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/Terasaki_Hidenori_research.png\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/Terasaki_Hidenori_research.png\" alt=\"\" width=\"230\" height=\"146\"><\/a><p class=\"wp-caption-text\">Core formation<\/p><\/div>\n<p>To reveal the formation and evolution of the cores of planetesimal and terrestrial planets, we perform experiments at planetary interior conditions. We measure physical and chemical properties of liquid iron-alloys at high pressures and high temperatures based on in situ measurements with synchrotron X-rays and analyses of recovered samples.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table class=\"el_table_fix\" style=\"width: 100%\">\n<tbody>\n<tr>\n<th style=\"width: 20%\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/Sakurai_Moe.jpg\" width=\"320\" height=\"408\"><\/th>\n<td style=\"width: 80%\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Asst. Prof. Sakurai Moe<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: <span id=\"content_ousdb1_lp$002fitem$005b4$005d$002fsys_mail\">moesakurai<span style=\"color: #0000ff\"> [at]<\/span> <\/span>okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Earth\u2019s mantle, hydrous mechanism, experimental mineralogy<br \/>\n<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/86f158141f60412c324722b072e43b5d_en.html\">Directory of Researchers<\/a>&nbsp;<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>&nbsp;<\/h5>\n<div style=\"width: 240px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/img_Sakurai_Moe.png\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas04_earth\/img_Sakurai_Moe.png\" alt=\"\" width=\"230\" height=\"146\"><\/a><p class=\"wp-caption-text\">High pressure experiments and theoretical studies<\/p><\/div>\n<p>We are studying the water cycle in the Earth&#8217;s interior and related deep Earth&#8217;s dynamics using a combination of high pressure and high temperature experiments and first-principles calculations. In particular, we focus on hydrogen positions in minerals to elucidate the behavior of water, which has various effects on mineral properties in the Earth&#8217;s deep interior.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; We investigate structures and properties of materials which consist of Earth and planetary interiors to [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":150,"menu_order":175,"comment_status":"closed","ping_status":"closed","template":"template-layout_single.php","meta":{"footnotes":""},"class_list":["post-718","page","type-page","status-publish","hentry"],"aioseo_notices":[],"publishpress_future_action":{"enabled":false,"date":"2026-06-07 16:48:16","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/comments?post=718"}],"version-history":[{"count":16,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/718\/revisions"}],"predecessor-version":[{"id":3705,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/718\/revisions\/3705"}],"up":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/150"}],"wp:attachment":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/media?parent=718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}