| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
Quantum spin liquid(QSL) with gap-less excitation was observed in dithiolene complex EtMe3Sb[Pd(dmit)2]2. In order to distinguish whether the gap-less behavior is one kind of critical behavior or a character of “QSL phase”, we have performed systematic heat capacity measurements for caion mixed solid solution system of XY[Pd(dmit)2]2. From the measurements for QSL+Antiferromangetic(AF) system, QSL+Charge order(CO) System, we found that the g values in heat capacity were slightly decrease with increasing AF content and slightly increase with increase CO content. This behavior was reproduced in AF+CO system. We confirmed the gap-less character is originated from the QSL phase. The critical like behavior was also observed on QSL-AF phase boundary.
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