Interplanar spacing tables
The interplanar spacing, d for
a cubic
structure of lattice parameter, a
is given by:
-
- Therefore, the ratio of interplanar spacings between two different planes, d1 and d2
is:
-
Print or copy this page and complete the tables below for fcc and bcc cells. A
few have already been done for you.
FCC
(remember allowed reflections only from all even or all odd h,k,l)
| |
|
d1 |
d2 |
hkl |
{111} |
{200} |
{220} |
{311} |
{222} |
{400} |
| {111} |
1 |
|
|
|
|
2.31 |
| {200} |
|
1 |
|
|
|
|
| {220} |
|
|
1 |
|
|
|
| {311} |
0.52 |
|
|
1 |
|
|
| {222} |
|
|
|
|
1 |
|
| {400} |
|
|
|
|
|
1 |
BCC
(remember allowed reflections only from h+k+l =
even)
| |
|
d1 |
d2 |
hkl |
{110} |
{200} |
{211} |
{220} |
{310} |
{222} |
| {110} |
1 |
|
|
|
|
|
| {200} |
|
1 |
|
|
1.58 |
|
| {211} |
|
0.82 |
1 |
|
|
|
| {220} |
|
|
|
1 |
|
|
| {310} |
|
|
|
|
1 |
|
| {222} |
|
|
|
|
|
1 |
Return to Ratio Technique page...
