Electrical& Computer Electrical& Computer Electrical& Computer Electrical& Computer Spintronicsisanemergingtechnologyasanewbranchofelectronics.Wearestudyinganddevelopingnano-sizedmagneticmaterialsforhigh-sensitivesensorandhigh-densitymemorywithspintronicstechnology.Inordertorealizesuchnano-sizedmagneticmaterials,Westudynewcompositematerialsmadeofmesoporousorderedthinfilmscontainingmagneticnanoparticles.Mesoporousthinfilmsareinorganicmaterialssynthesizedinthepresenceofsurfactantsastemplates,andhavevariousporousstructures.Ourgroupmainlyfocusesonthedevelopmentofnewhumancomputerinterfacesthatsupportaseverelydisabledperson.Bywayofexample,wehavedevelopedabraincomputerinterfacebasedontheeventrelatedpotentials.Theeye-gazeinputsystemdetectsthedirectionofanuser’sgazeanditisappliedtothesoftwarekeyboardasaninput.ThespintronicsdevicewillserveasaGreenITTechnologyitsdistinctivelowpower-consumingproductbecauseofcharacteristicwhilethecomputerisintherest-mode.InHaeiwalaboratory,wearestudyinganddevelopingthenano-sizedmagneticmaterialsforspintronicsdevices.Nano-sizedmagneticmaterialshaveapotentialtobetheultimatenon-volatilememorydevicewhichisspeedy,highlyreliable,andhasalargememory-capacity.Inordertodevelopmaterials,werepeattheprocessofsynthesizingmaterials,evaluatingthembasedonstructuralandcompositionalanalysis,microstructuralobservation,andelectricandmagneticmeasurement,andalteringthesyntheticconditionsaccordingtotheevaluation.Thisisagenuineengineertraining.Ourstudentsareworkingasengineerswithvacuum,measurement,andanalysis&observationtechnologyaftergraduation.Inthenearfuture,wewillbesurroundingbymoreandmorecomputers.Theexamplesarewearablecomputersandubiquitouscomputingsystems.Manykindsofhumancomputerinterfaceswillbesoughtafterandwearegoingtocontributetosuchasociety.Ahalfofourgraduatesenrollsinmaster'scourses.Andtheyarestudyingnewhumancomputerinterfacesthatareeasytouse.Scanning transmission electron microscope(STEM). Stem photo image of mesoporousthin film.Eye-gaze input systemBlock diagram of brain computer interface systemTetsujiHaeiwaAssociate ProfessorPh.D.He met with the “magne” at the third-grade of college. Since then, he’sbeen studingand developing the magnetic material. Now, he’s going also “Sato-Yama” (natural woodlands) preservation activities.Masami HashimotoAssociate ProfessorHe is interested in human computer interaction, support technology for disabled person, biomedical engineering.In the FutureAfter GraduationIn the FutureAfter GraduationEngineeringEngineeringEngineeringEngineering20nmCreations and Applications of NanosizeMagnetic Materials for the SpintronicsDevicesDevelopment of the User Friendly Computer Interface
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