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Carrier density of the high Tc and hydrogen doped samples measured by the high magnetic field.

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Παρουσίαση με θέμα: "Carrier density of the high Tc and hydrogen doped samples measured by the high magnetic field."— Μεταγράφημα παρουσίασης:

1 Carrier density of the high Tc and hydrogen doped samples measured by the high magnetic field.

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3 Annealed sample Tc~175K Tc~165K

4 High Tc sample Mn437 @2K n=1 p=1.87438E+21cm -3 n=2 p=1.76279E+21cm -3 Hydrogen sample Mn450 @2K n=1 p=1.44406E+21cm -3 n=2 p=1.40408E+21cm -3 High Tc sample Mn437 @10K n=1 p=1.9164E+21cm -3 n=2 p=1.78552E+21cm -3 Hydrogen sample Mn450 @10K n=1 p=1.49987E+21cm -3 n=2 p=1.43796E+21cm -3 Fit Function: Rxy=R 0 B+C Rxx n Error of p <5%

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7 As-grown sample Tc~60K Tc~70K

8 Carrier density :3E20cm -3 ->4.4E20cm -3

9 Fit2. Rxy=R 0 B+C 1 Rxx 2 +C 2 Rxx 0.4 (M. Glunk, etc. PRB 80, 125204 2009) 2T-14T R00.5835±0.00188 (p=4.28E+20) C12.7732E-8±2.365E-10 C24.91818±0.00192 5T-14T R00.64858 ± 0.00329 (p=3.85E+20) C13.8932E-8 ± 5.6689E-10 C24.83154 ± 0.00437

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11 Tc~55K

12 Field Range: 3T-14T Fit1. Rxy=R 0 B+C Rxx n R0=0.24172 ±0.02668 (p=1.03E+21cm -3 ) C=25.32342 ±1.05318 n=0.24778 ±0.00378 Fit2. Rxy=R 0 B+C 1 Rxx 2 +C 2 Rxx 0.4 R0=0.45497 ±0.02073 (p=5.44E+20cm -3 ) C1= -1.192E-8 ±2.9734E-10 C2=5.25815 ± 0.01124

13 Mobility R/Ωρ(Ω -1. cm -1 )p(cm -3 )μ(cm 2 /V. s) Annealed Mn437 2K45661.8022E-031.87E+211.850207 4K45331.78918E-031.88E+211.86048 10K44921.77299E-031.92E+211.839443 Mn450 2K50271.98416E-031.44E+212.18132 4K49901.96955E-031.47E+212.159071 10K49391.94942E-031.5E+212.137575 As-grownMn4372K226678.94666E-034E+201.7465


Κατέβασμα ppt "Carrier density of the high Tc and hydrogen doped samples measured by the high magnetic field."

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