Dielectric Constant

Numerari from KnowledgeDoor---The scientific calculator with graphing, unit keypads, complex numbers, constants, advanced functions, user-defined keys, quick copy, and more!

Element

Click button to see citations

Argon

20 °C, 1 atm

1.00055

140 K

1.32

-376 °F

1.5

Boron

β-rhombohedral boron

parallel to crystal axis, low frequency limit

10.24

perpendicular to crystal axis, low frequency limit

11.55

parallel to crystal axis, high frequency limit

8.41

perpendicular to crystal axis, high frequency limit

9.12

Bromine

297.9 K

3.15

68 °F

3.1

32 °F

1.01

Calcium

3.0

Carbon

diamond, 300 K

103 Hz to 104 Hz, capacitance measurement

5.70 ± 0.05

103 Hz, Type I

5.87 ± 0.19

103 Hz, Type IIa

5.66 ± 0.04

graphite

12 to 15

carbon black

2.5 to 3.0

Chlorine

liquid

2.0

142 °F

1.5

32 °F

2.0

-50 °F

2.1

208 K

2.15

Fluorine

-332 °F

1.5

53.48 K

1.49

Gallium

300 K, 9200 MHz

16.2

4.2 K

9200 MHz, microwave measurement

16.0

750 MHz, capacitance bridge

16.5

Germanium

11 component of dielectric tensor, room temperature, 34×109 Hz

12.7

22 component of dielectric tensor, room temperature, 34×109 Hz

12.7

33 component of dielectric tensor, room temperature, 34×109 Hz

12.8

500 Hz to 3×1010 Hz

15.8 ± 0.2

4 K, 9.2×109 Hz

16.0 ± 0.3

Helium

liquid

1.05

20 °C, 1 atm

1.000068

2.06 K

1.06

helium-3, 58 °F

1.065

Hydrogen

440 °F

1.23

20 °C, 1 atm

1.00025

13.52 K

1.28

deuterium, 68 °F

1.3

Iodine

11 component of dielectric tensor, room temperature, 5×104 Hz to 5×107 Hz

22 component of dielectric tensor, room temperature, 5×104 Hz to 5×107 Hz

33 component of dielectric tensor, room temperature, 5×104 Hz to 5×107 Hz

391.25 K

11.08

Krypton

119.8 K

1.66

Mercury

298 °F

1.00

Neon

20 °C, 1 atm

1.00013

26.11 K

1.19

Nitrogen

336 °F

1.45

20 °C, 1 atm

1.00058

63.15 K

1.47

Oxygen

68 °F

1.00

-315 °F

1.51

54.48 K

1.57

ozone, 90.2 K

4.75

Phosphorus

307.2 K

4.10

93 °F

4.1

black phosphorus

6.1

white phosphorus

108 Hz

3.6

20 °C

4.1

red phosphorus, 108 Hz

4.1

Selenium

482 °F

5.4

510.65 K

5.44

249 °F

5.4

300 K

monocrystal, 11 component of dielectric tensor, 24×109 Hz

monocrystal, 22 component of dielectric tensor, 24×109 Hz

monocrystal, 33 component of dielectric tensor, 24×109 Hz

298 K, amorphous, 102 Hz to 1010 Hz

6.0

68 °F

6.1

Silicon

300 K, 750 MHz

11.9

4.2 K, 750 MHz, capacitance bridge

12.1

Sulfur

liquid

3.5

powder

3.6

450 °F

3.5

407.2 K

3.50

244 °F

3.5

298 K

11 component of dielectric tensor, 102 Hz to 103 Hz

3.75

22 component of dielectric tensor, 102 Hz to 103 Hz

3.95

33 component of dielectric tensor, 102 Hz to 103 Hz

4.44

sublimed, 102 Hz to 103 Hz

3.69

Tellurium

polycrystalline

27.5

monocrystalline

28.0

11 component of dielectric tensor, low frequency limit

33 component of dielectric tensor, low frequency limit

11 component of dielectric tensor, high frequency limit

33 component of dielectric tensor, high frequency limit

Tin

gray tin, 300 K, infrared reflectance measurements

Xenon

161.35 K

1.88

References (Click the next to a value above to see complete citation information for that entry)

Cohen, E. Richard, David R. Lide, and George L. Trigg, editors. AlP Physics Desk Reference, 3rd edition. New York: Springer-Verlag New York, Inc., 2003.

Greenwood, N. N., and A. Earnshaw. Chemistry of the Elements, 2nd edition. Burlington, MA: Butterworth-Heinemann, 1997.

Griffiths, David J. Introduction to Electrodynamics, 2nd edition. Upper Saddle River, NJ: Prentice-Hall Inc., 1989.

Madelung, Otfried, editor. Semiconductors — Basic Data, 2nd edition. Berlin: Springer–Verlag, 1996.

Speight, James G. Perry's Standard Tables and Formulas for Chemical Engineers. New York: The McGraw-Hill Companies, Inc., 2003.

Young, K. F., and H. P. R. Frederikse. "Compilation of the Static Dielectric Constant of Inorganic Solids." Journal of Physical and Chemical Reference Data, volume 2, number 2, 1973, pp. 313–409.

Heaven's Boulevard astronomical sky image for any location, date, and time. Personalize with a picture and message. Great gift for birthdays, anniversaries, or any special event.