کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1786172 | 1023407 | 2015 | 4 صفحه PDF | دانلود رایگان |
• Three types of phase transitions in diluted magnetic semiconductor (DMS), first-order, second-order and mixed-order, are found in theory.
• Especially the mixed type transition shows two steps transition and novel specific heat property.
• The results indicate that the specific heat of DMS is a good tool to study the phase transition and critical phenomena of those quantum wells.
The phase transition and specific heat of carrier-induced diluted magnetic semiconductors (DMS) (Ga,Mn)As quantum well are investigated theoretically. With different concentration of magnetic ion and hole gas, there are three types of phase transitions, first-order, second-order and mixed first and second order. The specific heat of these three types of phase transitions are different, especially for the mixed-order phase transition, which shows two-step transition. The results indicate that the specific heat of DMS is a good tool to study the phase transition and critical phenomena of those quantum wells.
Journal: Current Applied Physics - Volume 15, Supplement 2, September 2015, Pages S26–S29