超高圧電顕内その場観察とその応用

抄録

The purposes of the present note are to introduce the recent development and theusefulness of the in situ observation technique and to provide some prospects onnew applications and extensions of the unique advantages of in situ high voltageelectron microscopy for physical and materials research in future.
First, theexperimental procedures developed so far are introduced and the possibilities ofin situ observation in a high voltage electron microscope for deriving meaningful results in the research field of materials science are discussed. Secondly, some valuable results obtained so far mainly in the studies of dynamic behavior ofdislocations and dislocationrelated phenomena are illustrated. Thirdly, the capacity of this technique to investigate crystalline deformation as well as other dynamic processes are assessed.
Finally, some prospects on new applications and extensions of this in situ observation technique for physical and materials research, which can be expected by the instrumental improvement and methodological development, are presented.