الفهرس 
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Abstract
In this wo r k we have prepared five metallic glass samples e f Nil-xPx (0.15 < x < 0.26) by using the electro- plating technique. X-ray diffraction has been used to characterize the amorphous state of the samples. It has been found that the surface h orno g e n u i. ty of the prepared materials is very sensi ti ve to the parameters controlled the preparation method. DC electrical resistivity has been measured for all samples and the resul ts indicate that the system changes the sign of the resistance temperature coefficient at about 23 at.% P. The samples have been irradiated irradiation’, by the neutrons X-ray and gamma radiations. After diffraction scan and electrical resistivity have been measured. The resisitvity seems to be independent on radiation effect, however the diffraction patterns suffer of drastic changes. structural relaxati ons have been observed in the di ffraction patterns of all samples. Thermal expansion measurements have been carried out for all prepared samples by using a home made Michelson interferometer.