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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.12
- 수록면
- 405 - 411 (7page)
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초록· 키워드
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The structural, magnetic and magnetocaloric properties of CoMn<SUB>1-x</SUB>Cr<SUB>x</SUB>Ge (x=0.05-0.125) have been investigated by using electron microscopy, x-ray diffraction, calorimetric and magnetic measurements. In this study, our aim is to justify the magnetocaloric effect by tuning the structural and magnetic transition temperature with Cr doping on CoMnGe pure system. The substitution of Cr for Mn leads to a decrease of both structural and magnetic transition temperatures. However, structural and magnetic transition temperatures do not close to each other. From magnetization measurement, we calculate that isothermal entropy change associated with magnetic transition can be as high as 3.82 J kg<SUP>-1</SUP>K<SUP>-1</SUP> at 302 K in a field of 7 T. Meanwhile, structural phase transition contribution to isothermal entropy change is calculated as 5.85 J kg<SUP>-1</SUP>K<SUP>-1</SUP> at 322 K for 7 T.
목차
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (27)
참고문헌 신청
1. [학술지(정기간행물)] - V. K. Pecharsky / 1997 / / Phys. Rev. Lett 78 : 4494 ~
2. [학술지(정기간행물)] - L. Mañosa / 2013 / / J. Mater. Chem. A 1 : 4925 ~
3. [학술대회논문] - A. Planes / 2009 / / J. Phys. Conference Series 165 : 012050 ~
4. [학술지(정기간행물)] - B. G. Shen / 2009 / / Adv. Mater 21 : 4545 ~
5. [학술지(정기간행물)] - K. A. Gschneidner Jr. / 2000 / / Annu. Rev. Mater. Sci 30 : 387 ~
2. [학술지(정기간행물)] - L. Mañosa / 2013 / / J. Mater. Chem. A 1 : 4925 ~
3. [학술대회논문] - A. Planes / 2009 / / J. Phys. Conference Series 165 : 012050 ~
4. [학술지(정기간행물)] - B. G. Shen / 2009 / / Adv. Mater 21 : 4545 ~
5. [학술지(정기간행물)] - K. A. Gschneidner Jr. / 2000 / / Annu. Rev. Mater. Sci 30 : 387 ~
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UCI(KEPA) : I410-ECN-0101-2014-420-003419566