Condition

1

2

Laser Settings

Pulse energy (mJ)

296

222

Repetition rate (Hz)

50

5

Fluence (J・cm−2)

2.0

1.5

Number of shots

10,000a

3,000b

Growth Conditions

Chamber pressure (mTorr)

35

5

Background gas

O2

O2

Substrate temperature (˚C)

250

700

Target-to-substrate distance (mm)

65

60

Annealing Conditions

Pressure (mTorr)

35

5

Background gas

O2

O2

Temperature (˚C)

250

900

Time (hr)

1

2