{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T12:18:21Z","timestamp":1759666701534,"version":"3.37.3"},"reference-count":54,"publisher":"Wiley","license":[{"start":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T00:00:00Z","timestamp":1388534400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Scientific World Journal"],"published-print":{"date-parts":[[2014]]},"abstract":"<jats:p>We introduce copper molybdenum cyanides of general formula Cu<jats:sub>2<\/jats:sub>[Mo(CN)<jats:sub>8<\/jats:sub>]\u00b7<jats:italic>n<\/jats:italic>H<jats:sub>2<\/jats:sub>O, which can serve as optofunctional magnetic devices. Their ground states generally stay paramagnetic down to temperatures of the K order but exhibit a spontaneous magnetization upon photoirradiation usually below a few tens of K. To interest us still further, such a ferromagnetic stateinduced by blue-laser irradiation is demagnetized step by step through further application of red or near-infrared laser pulses. We solve this intriguing photomagnetism. The ground-state properties are fully revealed by means of a group-theoretical technique. Taking account of experimental observations, we simulate applying pump laser pulses to a likely ground state and successfully reproduce both the magnetization and demagnetization dynamics. We monitor the photorelaxation process through angle-resolved photoemission spectroscopy. Electrons are fully itinerant in any of the photoinduced steady states, forming a striking contrast to the initial equilibrium state of atomic aspect. The fully demagnetized final steady state looks completely different from the initial paramagnetism but bears good analogy to one of the possible ground states available with the Coulomb repulsion on Cu sites suppressed.<\/jats:p>","DOI":"10.1155\/2014\/762765","type":"journal-article","created":{"date-parts":[[2014,5,8]],"date-time":"2014-05-08T17:22:18Z","timestamp":1399569738000},"page":"1-13","source":"Crossref","is-referenced-by-count":2,"title":["Phototunable Magnetism in Copper Octacyanomolybdate"],"prefix":"10.1155","volume":"2014","author":[{"given":"Jun","family":"Ohara","sequence":"first","affiliation":[{"name":"Department of Physics, Hokkaido University, Sapporo 060-0810, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4770-8375","authenticated-orcid":true,"given":"Shoji","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Physics, Hokkaido University, Sapporo 060-0810, 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