2D LED View the results

出自 DDCC TCAD TOOL Manual
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● Press the result viewer button

2D LED 34.png

● 2D Result SOP
1. Choose the project name
2. Choose the data type

(1)  IV And IQE (Usually Use)
(2)  2D Node-Base Data (Usually Use)
(3)  2D Element-Base Data
(4)  2D Ray Tracing
(5)  2D Triangular Mesh
(6)  2D Node Parameter Check (Usually Use)
(7)  2D Element Parameter Check
(8)  2D Nsum Data
(9)  2D Eigen Wave
(10) 2D RCWA 

3. Selecting voltage points (if necessary)
4. Choose the x-axis and y-axis data
5. Choose the figure type

(1)  x-y plot
     (a) Plot along the y-axis at a fixed x-point
     (b) Plot along the x-axis at a fixed y-point
(2)  2D triangular mesh
     (a) Plot the complete data for both the x-axis and y-axis
(3)  3D triangular mesh

6. Hold on (if necessary)
7. Plot
Notice: Remember to normalize the 2D current density by the chip width (cm) when plotting current data.

★★★ There are some result examples for this case. ★★★

● IV figure (linear)

2D LED 35.png

● IV figure (log|y|) → positive current

2D LED 36.png

● IV figure (linear) → negative current

2D LED 37.png

● Band structure figure

★ Ec (along y-axis)

2D LED 41.png

Then, enlarge a part of quantum well region.

2D LED 42.png

2D LED 43.png

★ Use "hold on" to plot Ec, Ev, Efn, and Efp in the same figure (along y-axis)

2D LED 44.png

2D LED 45.png

2D LED 46.png

2D LED 47.png

● Radiative Rates figure (along y-axis)

2D LED 48.png

● Radiative Rates figure (along x-axis)

2D LED 49.png

★ Use "hold on" to plot radiative rates for various voltages in the same figure (along x-axis)

2D LED 51.png

2D LED 52.png

2D LED 53.png

● 2D Ec figure

2D LED 38.png

Then, enlarge a part of quantum well region.

2D LED 39.png

2D LED 40.png

● 2D Radiative Rates figure

Then, enlarge a part of quantum well region.

2D LED 50.png

Adjust the z-axis logarithmic range and enlarge the quantum well region.

2D LED 54.png

2D LED 55.png

● Parameter Check

You can check whether the different parameters are set correctly.
Ex: region number, Eg, dope, effective mass, impurity, taun(nonrad), taup(nonrad)...

★ Region Number

2D LED 56.png

★ Dope

2D LED 57.png