The work in this book is based on experimental aspects. Here author describes the growth as well as some characterizations of tin monoselenide and tin monosulphide single crystals. The large sized single crystals of SnSe and SnS were successfully grown by direct vapor transport technique without any transporting agent....

Digital assets are very easily communicated publically usable communication channel. They are subjected to various types of threats. There are existing protection mechanisms with limitations. There is constant need to minimize the limitation to improve status of protection mechanism and secure communication....