Table 1

Trap parameters calculated from DLTS and Laplace DLTS spectra

Sample ID

Substrate Type

Intensional Doping

(cm-3)

Trap

Activation Energy(eV)

Capture Cross-Section

(cm2)

Trap Concentration

(cm-3)

Poole-Frenkel Constant

PF) × 10-5 [(eV)2 cm/V]1/2


NU1362

(100)

1 × 1016

HA1

0.041 ± 0.002

8.32 × 10-15

2.09 × 1013

10.5

HA2

0.145 ± 0.006

5.35 × 10-13

2.74 × 1013

27.3

HA3

0.406 ± 0.006

1.89 × 10-13

1.67 × 1014

-

NU1363

(311)A

1 × 1016

HB1

0.014 ± 0.006

1.03 × 10-15

9.83 × 1014

2.2

HB2

0.017 ± 0.004

1.56 × 10-16

7.85 × 1014

-

HB3

0.305 ± 0.006

5.84 × 10 -16

1.74 × 1013

4.2

HB4

0.400 ± 0.003

3.92 × 10-10

7.35 × 1013

-

HB5

0.430 ± 0.003

1.49 × 10-12

3.24 × 1014

-

NU1364

(100)

3 × 1016

HC1

0.356 ± 0.013

1.45 × 10-14

1.37 × 1013

7.7

HC2

0.383 ± 0.003

8.32 × 10-13

8.01 × 1013

6.2

HC3

0.403 ± 0.004

8.32 × 10-13

8.01 × 1013

-

HC4

0.554 ± 0.007

2.29 × 10-13

7.68 × 1013

-

NU1365

(311)A

3 × 1016

HD1

0.013 ± 0.001

1.58 × 10-16

1.43 × 1014

2.0

HD2

0.450 ± 0.004

2.49 × 10-13

3.42 × 1014

-

NU1366

(100)

1 × 1017

HE1

0.021 ± 0.002

3.84 × 10-19

2.88 × 1013

-

HE2

0.130 ± 0.005

1.38 × 10-18

4.69 × 1013

-

NU1367

(311)A

1 × 1017

HF1

0.028 ± 0.004

3.83 × 10-15

8.47 × 1013

-


Mari et al. Nanoscale Research Letters 2011 6:180   doi:10.1186/1556-276X-6-180

Open Data