PPLN Λ = 6.82 µm · 1064 → 532 nm · 2 px/µm
lithium niobate / Data / permittivity-T

Relative permittivity, constant stress (free)

Spread

εT/ε0 relative (eps/eps0); one row per independent component
eps11838485Crystal Technology [V]Kushibiki et al. [P]Volk & Wöhlecke [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]7 records, span 1.9eps33282930Crystal Technology [V]Kushibiki et al. [P]Volk & Wöhlecke [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]Weis & Gaylord [P-comp]7 records, span 1.9

Each mark is one record; bars are stated ranges, whiskers stated uncertainties. Filled marks: P, P-comp, P-db; hollow: S, V, C, P(abs). Hover a mark for its source. Each row has its own axis; no mean or fit is drawn. Rotate any record into a cut: tensors and frame conventions.

Records

2 variants
ValueUnitVariantConditionsFrameSourceLocatorStatus
ε11 83.3, ε33 28.5
default record
relative (eps/eps0)Congruent LiNbO3 (CLN)
SAW-grade congruent; composition not stated in the source
f low frequency (below acoustic resonances); mech. free (T); method measuredcrystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetryKushibiki et al., IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 46 1315 (1999)Table IVP
ε11 85, ε33 28.7relative (eps/eps0)Congruent LiNbO3 (CLN)f < 500 kHz; mech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetryCrystal Technology, Inc. (1999)–V
ε11 84, ε33 30relative (eps/eps0)Congruent LiNbO3 (CLN)mech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetryVolk & Wöhlecke, Springer Series in Materials Science 115 (2009)
original: Tomeno & Matsumura, PRB 38, 606 (1988)
Table 1.1, p. 3P-comp
Identical to the Savage 1966 set.
ε11 84, ε33 30relative (eps/eps0)Composition not statedmech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)Weis & Gaylord, Applied Physics A 37 191-203 (1985)
original: Savage, J. Appl. Phys. 37, 3071 (1966)
Table 1, p. 197P-comp
ε11 84.6, ε33 28.6relative (eps/eps0)Composition not statedmech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)Weis & Gaylord, Applied Physics A 37 191-203 (1985)
original: Smith & Welsh, J. Appl. Phys. 42, 2219 (1971)
Table 1, p. 197P-comp
Weis & Gaylord 1985 lists no S values for Smith & Welsh; Ogi et al. 2002 attributes 44.3 / 27.9 to them (attribution mismatch).
ε11 84.1, ε33 28.1relative (eps/eps0)Composition not statedmech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)Weis & Gaylord, Applied Physics A 37 191-203 (1985)
original: Teague, Rice, Gerson, J. Appl. Phys. 46, 2864 (1975)
Table 1, p. 197P-comp
ε11 85.2, ε33 28.7relative (eps/eps0)Composition not statedmech. free (T)crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)Weis & Gaylord, Applied Physics A 37 191-203 (1985)
original: Warner, Onoe, Coquin, JASA 42, 1223 (1967)
Table 1, p. 197P-comp

Congruent LiNbO3 (CLN)SAW-grade congruent; composition not stated in the source

P
ε11 83.3, ε33 28.5relative (eps/eps0)
f low frequency (below acoustic resonances); mech. free (T); method measured; default record

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetry

Congruent LiNbO3 (CLN)

V
ε11 85, ε33 28.7relative (eps/eps0)
f < 500 kHz; mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetry

Crystal Technology, Inc. (1999)

Congruent LiNbO3 (CLN)

P-comp
ε11 84, ε33 30relative (eps/eps0)
mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; sign convention unstated; +z: not stated in this record; tensor form matches this frame by symmetry

Identical to the Savage 1966 set.

Volk & Wöhlecke, Springer Series in Materials Science 115 (2009), Table 1.1, p. 3original: Tomeno & Matsumura, PRB 38, 606 (1988)

Composition not stated

P-comp
ε11 84, ε33 30relative (eps/eps0)
mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)

Weis & Gaylord, Applied Physics A 37 191-203 (1985), Table 1, p. 197original: Savage, J. Appl. Phys. 37, 3071 (1966)

Composition not stated

P-comp
ε11 84.6, ε33 28.6relative (eps/eps0)
mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)

Weis & Gaylord 1985 lists no S values for Smith & Welsh; Ogi et al. 2002 attributes 44.3 / 27.9 to them (attribution mismatch).

Weis & Gaylord, Applied Physics A 37 191-203 (1985), Table 1, p. 197original: Smith & Welsh, J. Appl. Phys. 42, 2219 (1971)

Composition not stated

P-comp
ε11 84.1, ε33 28.1relative (eps/eps0)
mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)

Weis & Gaylord, Applied Physics A 37 191-203 (1985), Table 1, p. 197original: Teague, Rice, Gerson, J. Appl. Phys. 46, 2864 (1975)

Composition not stated

P-comp
ε11 85.2, ε33 28.7relative (eps/eps0)
mech. free (T)

Frame crystal-physics; x: a axis, perpendicular to a mirror plane; z: polar c axis; convention IRE-1949; +z: +c points out of the face that becomes negative on compression; equivalently it becomes positive on cooling (Weis & Gaylord 1985 pp. 192-193)

Weis & Gaylord, Applied Physics A 37 191-203 (1985), Table 1, p. 197original: Warner, Onoe, Coquin, JASA 42, 1223 (1967)

Endpoints

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