Table 3 The differences in the evaporated S depending on the process parameters. The initial weight of sulfur was 1000 ± 3 mg.

From: Technological limitations of solid-source chemical vapor deposition of van der Waals heterostructures

Furnace temperature (°C)

Pressure (mbar)

Growth time (min)

Ar flow (sccm)

S heater temperature (°C)

Sulfur heater start temperature (°C)

Length of sulfur heater (mm)

Difference in S weight (mg)

900

950

15

100

130

700

100

22.2

900

950

15

100

150

700

100

44.8

700

950

15

100

130

550

100

10.1

800

950

15

100

130

600

100

15.8

1000

950

15

100

130

800

100

46.6

1100

950

15

100

130

1000

100

80.1

900

0.3

15

100

130

700

100

1002.3 (all)

900

20

15

100

130

700

100

114.9

900

20

15

100

130

700

220

231.2

900

20

15

100

150

700

220

678.8

900

20

30

100

130

750

220

433.8

900

20

3

100

130

750

220

50.3

900

200

15

100

130

700

100

58.6

900

400

15

100

130

700

100

44.4

900

600

15

100

130

700

100

33.8

900

800

15

100

130

700

100

31.2

900

950

15

30

130

700

100

23.6

900

950

15

500

130

700

100

20.1

900

950

15

10,000 (N2)

130

700

100

7.6