We investigate an excellent refrigeration capacity𝑆Rc𝑑of Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)bulk metallic glass(BMG).The Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)glassy rod is subjected to Cu mold suction-cast...We investigate an excellent refrigeration capacity𝑆Rc𝑑of Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)bulk metallic glass(BMG).The Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)glassy rod is subjected to Cu mold suction-casting to prepare bulky metallic glasses,with a diameter of 3mm.The glass forming ability as well as the magnetic properties of the BMG is investigated.The BMG exhibits a rather high glass formation ability with critical diameter of about 5.6mm.The peak value of magnetic entropy change of about 8J·kg^(−1)K^(−1)is obtained in this alloy.This BMG alloy also exhibits excellent magnetic refrigerant capacity of about 880J·kg^(−1)under the field of 5T and 35%larger than that of other alloys reported previously,supposed to be closely related to the high effective moment(∼7.3μB)of the Gd 55 Al_(20)Ni_(12)Co_(10)Mn_(3)BMG.展开更多
Japanese Prime Minister Shinzo Abe has adopted a new method of treatment for the countrs economic recession known as Abenomics--since regaining the position in 2012. Japan＇s economy has indeed shown some progress, an...Japanese Prime Minister Shinzo Abe has adopted a new method of treatment for the countrs economic recession known as Abenomics--since regaining the position in 2012. Japan＇s economy has indeed shown some progress, and the count,s eco- nomic growth is expected to reach 2.6 to 2.8 percent in 2013. It＇s a positive achievement that comes at a time when developed economies struggle to address the aftermath of the global financial crisis.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 51171100 and 51271103.
文摘We investigate an excellent refrigeration capacity𝑆Rc𝑑of Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)bulk metallic glass(BMG).The Gd_(55)Al_(20)Ni_(12)Co_(10)Mn_(3)glassy rod is subjected to Cu mold suction-casting to prepare bulky metallic glasses,with a diameter of 3mm.The glass forming ability as well as the magnetic properties of the BMG is investigated.The BMG exhibits a rather high glass formation ability with critical diameter of about 5.6mm.The peak value of magnetic entropy change of about 8J·kg^(−1)K^(−1)is obtained in this alloy.This BMG alloy also exhibits excellent magnetic refrigerant capacity of about 880J·kg^(−1)under the field of 5T and 35%larger than that of other alloys reported previously,supposed to be closely related to the high effective moment(∼7.3μB)of the Gd 55 Al_(20)Ni_(12)Co_(10)Mn_(3)BMG.
文摘Japanese Prime Minister Shinzo Abe has adopted a new method of treatment for the countrs economic recession known as Abenomics--since regaining the position in 2012. Japan＇s economy has indeed shown some progress, and the count,s eco- nomic growth is expected to reach 2.6 to 2.8 percent in 2013. It＇s a positive achievement that comes at a time when developed economies struggle to address the aftermath of the global financial crisis.
