SIMS Diffusion Studies
David Fisher
noy, 2013 · Trans Tech Publications Ltd
E-kitob
450
Sahifalar soni
family_home
Yaroqli
info
reportReytinglar va sharhlar tasdiqlanmagan Batafsil
Bu e-kitob haqida
During the past 40 years, secondary ion mass spectrometry (SIMS) has become increasingly more popular for measuring diffusivities because it avoids the handling problems, environmental concerns and shortage of suitable isotopes which are associated with the use of radioactive tracer methods. It is the most sensitive of all the standard surface analytical techniques, and is capable of detecting impurity elements at less than 1ppm concentration, and bulk impurity concentrations of around 1ppb in certain cases. The sample surface is bombarded with high-energy ions, leading to the ejection of neutral and charged species. The latter can include atoms, clusters of atoms and molecular fragments. Static SIMS is used for sub-monolayer elemental analysis, dynamic SIMS is used for investigating composition as a function of depth below the surface and imaging SIMS is used for spatially-resolved elemental analysis. Static SIMS plus time-of-flight analysis, rather than the usual quadrupole mass analysis, permits a more exact quantitative analysis of specimens. The present compilation of nearly 800 items covers a selection of mainly-quantitative results, obtained using secondary ion mass spectrometry, for diffusivities in a wide range of materials.
Bu e-kitobni baholang
Fikringizni bildiring.
Qayerda o‘qiladi
Smartfonlar va planshetlar
Android va iPad/iPhone uchun mo‘ljallangan Google Play Kitoblar ilovasini o‘rnating. U hisobingiz bilan avtomatik tazrda sinxronlanadi va hatto oflayn rejimda ham kitob o‘qish imkonini beradi.
Noutbuklar va kompyuterlar
Google Play orqali sotib olingan audiokitoblarni brauzer yordamida tinglash mumkin.
Kitob o‘qish uchun mo‘ljallangan qurilmalar
Kitoblarni Kobo e-riderlar kabi e-siyoh qurilmalarida oʻqish uchun faylni yuklab olish va qurilmaga koʻchirish kerak. Fayllarni e-riderlarga koʻchirish haqida batafsil axborotni Yordam markazidan olishingiz mumkin.
