|
Maghemite |
 |
Pecharroman C, Gonzalez-Carreno T, Iglesias J E |
| |
Physics and Chemistry of Minerals 22 (1995) 21-29 |
|
The infrared dielectric properties of maghemite, gamma-Fe2O3, |
|
from reflectance measurement on pressed powders |
|
Sample: a) idealized |
|
Locality: synthetic |
|
_database_code_amcsd 0007898 |
|
8.33 8.33 8.33 90 90 90 *Fd3m |
|
.125 .125 .125 |
|
atom x y z occ |
|
Fe-oct .5 .5 .5 5/6 |
|
Fe-tet .125 .125 .125 |
|
O .25 .25 .25 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Pecharroman C, Gonzalez-Carreno T, Iglesias J E |
| |
Physics and Chemistry of Minerals 22 (1995) 21-29 |
|
The infrared dielectric properties of maghemite, gamma-Fe2O3, |
|
from reflectance measurement on pressed powders |
|
Sample: b) idealized |
|
Locality: synthetic |
|
_database_code_amcsd 0007899 |
|
8.33 8.33 8.33 90 90 90 P4_132 |
|
atom x y z occ |
|
Fe-oct1 7/8 7/8 7/8 1/3 |
|
Fe-oct2 1/8 7/8 1/8 |
|
Fe-tet 4/8 4/8 4/8 |
|
O1 1/8 1/8 5/8 |
|
O2 5/8 5/8 5/8 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Pecharroman C, Gonzalez-Carreno T, Iglesias J E |
| |
Physics and Chemistry of Minerals 22 (1995) 21-29 |
|
The infrared dielectric properties of maghemite, gamma-Fe2O3, |
|
from reflectance measurement on pressed powders |
|
Sample: c) idealized, either one of Fe-oct 1-6, |
|
or both Fe-oct 6-7 have zero occupancy |
|
Locality: synthetic |
|
_database_code_amcsd 0007900 |
|
8.33 8.33 24.99 90 90 90 P4_32_12 |
|
atom x y z occ |
|
Fe-oct1 5/8 3/8 2/24 |
|
Fe-oct2 1/8 5/8 0 |
|
Fe-oct3 3/8 1/8 2/24 |
|
Fe-oct4 1/8 7/8 2/24 |
|
Fe-oct5 7/8 5/8 2/24 |
|
Fe-oct6 3/8 3/8 0 0 |
|
Fe-oct7 7/8 7/8 0 |
|
Fe-tet1 4/8 6/8 1/24 |
|
Fe-tet2 0 2/8 1/24 |
|
Fe-tet3 2/8 4/8 3/24 |
|
O1 1/8 1/8 2/24 |
|
O2 5/8 5/8 2/24 |
|
O3 5/8 3/8 0 |
|
O4 3/8 1/8 0 |
|
O5 5/8 7/8 0 |
|
O6 1/8 7/8 0 |
|
O7 5/8 1/8 2/24 |
|
O8 3/8 3/8 2/24 |
|
O9 3/8 7/8 2/24 |
|
O10 7/8 3/8 2/24 |
|
O11 7/8 7/8 2/24 |
|
O12 1/8 5/8 2/24 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Shmakov A N, Kryukova G N, Tsybulya S V, Chuvilin A L, Solovyeva L P |
| |
Journal of Applied Crystallography 28 (1995) 141-145 |
|
Vacancy ordering in gamma-Fe2O3: synchrotron x-ray powder diffraction and high- |
|
resolution electron microscopy studies |
|
Locality: Synthetic |
|
_database_code_amcsd 0020516 |
|
8.3474 8.3474 8.3474 90 90 90 P4_332 |
|
atom x y z occ Biso |
|
Fe1 .9921 .9921 .9921 .45 |
|
Fe2 .8650 .6150 .875 .45 |
|
Fe3 .375 .125 .875 .335 .45 |
|
O1 .861 .861 .861 .45 |
|
O2 .372 .377 .876 .45 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Solano E, Frontera C, Puig T, Obradors X, Ricart S, Ros J |
| |
Journal of Applied Crystallography 47 (2014) 414-420 |
|
Neutron and X-ray diffraction study of ferrite nanocrystals obtained by |
|
microwave-assisted growth. A structural comparison with the |
|
thermal synthetic route |
|
Locality: Synthetic |
|
_database_code_amcsd 0020517 |
|
8.3364 8.3364 8.3364 90 90 90 P4_332 |
|
atom x y z occ |
|
Fe1 -.0044 -.0044 -.0044 |
|
Fe2 .6250 .6250 .6250 .35 |
|
Fe3 .1250 .3669 .8831 .98 |
|
O1 .3817 .3817 .3817 .99 |
|
O2 .3817 .8736 .8819 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Greaves C |
| |
Journal of Solid State Chemistry 49 (1983) 325-333 |
|
A powder neutron diffraction investigation of vacancy |
|
ordering and covalence in gamma-Fe2O3 |
|
Locality: synthetic |
|
Sample: T = 4 K |
|
_database_code_amcsd 0013508 |
|
8.3396 8.3396 8.3220 90 90 90 P4_32_12 |
|
atom x y z occ Biso |
|
Fe1 .744 .996 .120 .1 |
|
Fe2 .620 .620 0 .1 |
|
Fe3 .364 .867 -.016 .1 |
|
Fe4 .140 .140 0 .333 .1 |
|
O1 .615 .869 -.014 .1 |
|
O2 .119 .377 -.005 .1 |
|
O3 .137 .861 .007 .1 |
|
O4 .383 .631 -.003 .1 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Jorgensen J E, Mosegaard L, Thomsen L E, Jensen T R, Hanson J C |
| |
Journal of Solid State Chemistry 180 (2007) 180-185 |
|
Formation of gamma-Fe2O3 nanoparticles and vacancy ordering: an in situ |
|
X-ray powder diffraction study |
|
Locality: Synthetic |
|
_database_code_amcsd 0020585 |
|
8.4053 8.4053 8.4053 90 90 90 *Fd-3m |
|
.125 .125 .125 |
|
atom x y z occ Uiso |
|
Fe1 .125 .125 .125 .865 .0144 |
|
Fe2 .5 .5 .5 .901 .0144 |
|
O .2512 .2512 .2512 .0251 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Shin HS |
| |
Journal of the Korean Ceramic Society 35 (1998) 1113-1119 |
|
A study on the structure of maghemite (gamma-Fe2O3) |
|
I. Rietveld analysis of powder XRD patterns |
|
Locality: Synthetic |
|
_database_code_amcsd 0020518 |
|
8.3457 8.3457 8.3457 90 90 90 P4_332 |
|
atom x y z occ Biso |
|
Fe1 .625 .625 .625 .35 .50 |
|
Fe2 -.0044 -.0044 -.0044 .71 |
|
Fe3 .125 .3669 -.1169 .98 .71 |
|
O1 .3817 .3817 .3817 .99 .70 |
|
O2 .3817 .8736 .8819 .80 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Shin HS |
| |
Journal of the Korean Ceramic Society 35 (1998) 1113-1119 |
|
A study on the structure of maghemite (gamma-Fe2O3) |
|
I. Rietveld analysis of powder XRD patterns |
|
Locality: Synthetic |
|
_database_code_amcsd 0020519 |
|
8.346 8.346 25.034 90 90 90 P4_32_12 |
|
atom x y z occ Biso |
|
Fe1 .1211 .1211 0 .57 |
|
Fe2 .6177 .6177 0 .97 .80 |
|
Fe3 .9903 .7448 .0401 .98 .60 |
|
Fe4 .4986 .2422 .0427 .98 .67 |
|
Fe5 .7527 .4939 .1242 .99 .81 |
|
Fe6 .3674 .8615 .0028 .99 .60 |
|
Fe7 .1288 .3818 .0823 .98 .81 |
|
Fe8 .8777 .1103 .0857 .99 .80 |
|
Fe9 .6216 .8611 .0860 .97 .81 |
|
O1 .1114 .3814 -.0024 .99 .59 |
|
O2 .8574 .1276 -.0004 .98 .58 |
|
O3 .6294 .3574 .0005 .59 |
|
O4 .6044 .8577 .0043 .96 .60 |
|
O5 .3646 .8716 .0790 .59 |
|
O6 .6179 .6291 .0801 .99 .60 |
|
O7 .8724 .8709 .0832 .99 .58 |
|
O8 .3510 .3981 .0833 .60 |
|
O9 .8804 .3770 .0853 .59 |
|
O10 .1054 .1538 .0853 .99 .59 |
|
O11 .1088 .6167 .0863 .59 |
|
O12 .6394 .1090 .0877 .95 .80 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Maghemite |
|
Sinha K P, Sinha A P B |
| |
Zeitschrift fur Anorganische und Allgemeine Chemie 293 (1957) 228-232 |
|
Ein Fehlstellenuberstruktur - Modell fur gamma-Fe2O3 |
|
Locality: Synthetic |
|
_database_code_amcsd 0020515 |
|
8.35 8.35 8.35 90 90 90 P-43m |
|
atom x y z occ |
|
Fe1 0 0 0 |
|
Fe2 .5 .5 .5 |
|
Fe3 0 .5 .5 |
|
Fe4 .25 .25 .25 |
|
Fe5 .125 .125 .625 |
|
O1 .375 .375 .375 |
|
O2 .875 .875 .875 |
|
O3 .875 .875 .375 |
|
O4 .375 .375 .875 |
|
OH1 .625 .625 .625 .25 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
Multiple datasets can be concatenated into a single downloadable file by selecting the datasets and then clicking
Multiple datasets can be downloaded as individual files inside a ZIP archive by selecting the datasets and then clicking
Total number of retrieved datasets: 