David Cockayne

David John Hugh Cockayne FRS  FInstP (19 Maris 1942 - 22 Disamba 2010) Farfesa ne a fannin nazarin kayan aiki a Sashen Kayan Aiki a Jami'ar Oxford kuma farfesa a Kwalejin Linacre daga 2000 zuwa 2009. Ya kasance shugaban Ƙungiyar Ƙasashen Duniya ta Ƙungiyoyin Microscopy daga 2003 zuwa 2007, sannan mataimakin shugaban ƙasa daga 2007 zuwa 2010.

Cockayne ƙwararren masani ne kan na'urar microscop na lantarki wanda ya taka muhimmiyar rawa wajen haɓaka na'urar microscop na lantarki mai rauni (TEM), da kuma amfani da TEM mai inganci ga lu'u-lu'u, fullerenes da semiconductors .  

 Tarihin Rayuwa 
An haifi Cockayne a Balham, Landan, na biyu cikin 'ya'ya uku na John Henry Cockayne, ɗan sanda kuma daga baya manajan ma'aikata, da matarsa, Ivy, née Hatton.  A shekarar 1950, lokacin da yake ɗan shekara 8, iyalin sun yi tafiya daga Tilbury a kan Otranto, suna kan hanyarsu ta zuwa Melbourne ;  sabon gidansu zai kasance a yankin Geelong na Victoria. A shekarar 1952 sun ƙaura zuwa wani sabon gida da aka gina a Geelong, kuma Cockayne ya halarci sabuwar makaranta, inda aka ba shi tallafin karatu zuwa Makarantar Grammar Geelong a shekarar 1953, inda ya yi fice a fannin sinadarai, kimiyyar lissafi da lissafi.

A shekarar 1961, Cockayne ya yi rajista a Jami'ar Melbourne don karanta kimiyyar lissafi; ya kammala karatunsa a shekarar 1964 da lambar yabo ta farko. Ya ci gaba da yin bincike kan diffraction na electron don digiri na biyu, inda ya sake samun maki na farko a shekarar 1966.  Daga nan aka ba shi tallafin karatu na Commonwealth don yin karatu don digiri na DPhil a Kwalejin Magdalen, Oxford.

David ya shiga Sashen Karafa a Oxford a watan Satumba na 1966 don gudanar da bincike kan hotunan na'urar hangen nesa ta lantarki na lahani a cikin layukan lu'ulu'u, a ƙarƙashin kulawar Dr. MJ Whelan . An ba shi lambar DPhil a shekarar 1970. 

Yana da shekaru 32, Cockayne ya karɓi muƙamin darakta na Jami'ar Sydney Electron Microscope Unit (EMU) a watan Yunin 1974. Ya kuma riƙe muƙamin mataimakin farfesa. An ɗaukaka shi zuwa cikakken farfesa a shekarar 1986, sannan ya zama shugaba na musamman (Farfesa a fannin kimiyyar lissafi (Electron Microscopy da Microanalysis)) a shekarar 1992. Ya gina wani muhimmin tushe na bincike a Sydney; tare da David McKenzie ya ƙirƙiro wata dabarar diffraction ta electron mai inganci a cikin na'urar microscope ta electron don nazarin tsarin kayan da ba su da siffar jiki.[1]

Cockrayne ya koma Oxford a shekara ta 2000, don ya karɓi muƙamin Farfesa a Nazarin Kayan Aiki, a Sashen Kayan Aiki . Ya kuma zama Farfesa Fellow a Kwalejin Linacre . A sashen kayan aiki ya "gina wata ƙungiyar na'urar duba na'urar lantarki mai ban mamaki", kuma an fara bincike mai zurfi a Sydney kan halayen ƙarfe masu girman nanometer (ƙudurin ɗigo).

 Manazarta 

Rukuni:Mutuwan 2010
Rukuni:Haifaffun 1942