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S. Poertadji
Faculty of Education, Universitas Pelita Harapan, Karawaci, Tangerang,15811
Materials Science & Nanotechnology

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THE EFFECT OF Cu DOPING AND MAGNETIC FIELD ON SPECIFIC HEAT OF La0.50Ca0.50MnO3 Y. E. Gunanto; W. Nursiyanto; H. Tanaka; T. Ono; A. Purwanto; W. A. Adi; S. Poertadji
Jurnal Sains Materi Indonesia Vol 12, No 3: JUNI 2011
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (102.836 KB) | DOI: 10.17146/jsmi.2011.12.3.4618

Abstract

THE EFFECT OF Cu DOPING AND MAGNETIC FIELD ON SPECIFIC HEAT OF La0.50Ca0.50MnO3. We report specific heat measurements of La0.50Ca0.50Mn1-YCuYO3 for y = 0.05, 0.15, 0.20 without and with applied magnetic field up to 9 T. In all cases, the external magnetic field does not influence the specific heat. At the temperature range of 100-270 K, as the Cu dopant is increased, the specific heat decreases. We found that at a range of 3-20 K, the specific heat contains terms proportional to T and T3 , but a T3/2 term is not appear. The Debye temperature is 365 K for all samples indicating that the Cu-doping is not influencing the lattice factor β.
Co-Authors A. Purwanto H. Tanaka T. Ono W. A. Adi W. Nursiyanto Y. E. Gunanto