ChemInform Abstract: SINGLE CRYSTAL DATA OF THE HIGH PRESSURE-HIGH TEMPERATURE PHASE OF STRONTIUM SILICIDE (SRSI2)

1983 ◽  
Vol 14 (44) ◽  
Author(s):  
J. EVERS ◽  
G. OEHLINGER ◽  
A. WEISS
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Single Crystal ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Crystal Data ◽  
High Pressure High Temperature

Notizen: Einkristall-Daten der Hochdruck- Hochtemperaturphase von SrSi2 / Single Crystal Data of the High Pressure-High Temperature Phase of SrSi2

1983 ◽  
Vol 38 (7) ◽  
pp. 899-900 ◽  
Author(s):  
Jürgen Evers ◽  
Gilbert Oehlinger ◽  
Armin Weiss
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Single Crystal ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Crystal Data ◽  
Interatomic Distances ◽  
High Pressure High Temperature

Abstract The high pressure-high temperature phase of SrSi2 is a stoichiometric representative of the a-ThSi2 type of structure. A single crystal investigation leads to interatomic distances Si-Si: 233.0(2) pm (1 x) and 248.9(2) pm (2 x), Sr-Si: 319.1(4) pm (4 x) and 334.7(4) pm (8 x), Sr-Sr: 410.8(3) pm (4 x) and 443.8(3) pm (4 x).

Einkristalldaten der Hochdruck- Hochtemperaturphase von BaGe2 / Structural Refinement of the High Pressure - High Temperature Phase of BaGe2

1980 ◽  
Vol 35 (3) ◽  
pp. 397-398 ◽  
Author(s):  
Jürgen Evers ◽  
Gilbert Oehlinger ◽  
Armin Weiss
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Structural Analysis ◽  
Single Crystal ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Structural Refinement ◽  
Space Group ◽  
High Pressure High Temperature

A single crystal investigation of the high pressure - high temperature phase of BaGe2 (α-ThSi2 type of structure) has been performed. Space group I41/amd has been derived from rotation, Weissenberg and precession photographs. On a four-circle-diffractometer 1082 reflections with 0 ≤ h ≤ 8, 0 ≤ fc ≤ 8, 2̅4̅ ≤ l ≤ 24 have been measured with filtered Mo-radiation. This results in 296 independent reflections. Data of the complete structural analysis are summarized in Tabs. I and II. The final R-values are R = 6.09%, Rw= 4.19%, Rg = 4.95%.

High pressure–high temperature phase diagram of InSe

2004 ◽  
Vol 24 (1) ◽  
pp. 111-116 ◽  
Author(s):  
G. Ferlat ◽  
D. Martínez-García ◽  
A. San Miguel ◽  
A. Aouizerat ◽  
V. Muñoz-Sanjosé
Keyword(s):  
Phase Diagram ◽  
High Pressure ◽  
High Temperature ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
High Pressure High Temperature ◽  
Temperature Phase Diagram

Notizen: Einkristall-Daten der Hochdruck-Hochtemperaturphase von CaSi2 / Structural Refinement of the High Pressure-High Temperature Phase of CaSi2

1982 ◽  
Vol 37 (11) ◽  
pp. 1487-1488 ◽  
Author(s):  
Jürgen Evers ◽  
Gilbert Oehlinger ◽  
Armin Weiss
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Single Crystals ◽  
High Temperature Phase ◽  
Temperature Phase ◽  
Structural Refinement ◽  
Interatomic Distances ◽  
High Pressure High Temperature

The high pressure-high temperature phase of CaSi2 is a representative of the α-ThSi2 type of structure. Single crystals grown at 40 kbar and 1000 °C enabled a structural refinement which leads to interatomic distances Si-Si: 229.9(1) pm (1 × ) and 240.0(1) pm (2 × ), Ca-Si: 309.4(4) pm (4 x ) and 323.9(4) pm (8 × ), Ca-Ca: 400.3(3) pm (4 × ) and 428.3(3) pm (4 × ).

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