Results 121 to 130 of about 596 (173)

Ag₁₂[Ge₉(Hyp)₂]₆ An Intermetalloid Cluster with Bis-Silylated Ge₉ Units. [PDF]

Angew Chem Int Ed Engl
Woern K, Schrenk C, Juratti E, Schnepf A.   +3 more
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Advances in Thermoelectric Materials Research. [PDF]

Small Sci
Zhu T.
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Zintl Phase versus Covalent Metal: Chemical Bonding in Silicon Dumbbells of Ca₅Si₃ and CaSi₃. [PDF]

Inorg Chem
Finzel K, Schwarz U.
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Atomic to nanoscale chemical fluctuations: The catalyst for enhanced thermoelectric performance in high-entropy materials. [PDF]

Sci Adv
Wang J, Gao H, Zhao K, Wuliji H, Zhao B, Ma J, Chen X, Zhang J, Sui Y, Wei TR, Zhu M, Shi X.   +11 more
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Chemical Twinning in Zintl Phases

Inorganic Chemistry, 1999
In the systems Ba/Mg/(Si, Ge), two new ternary Zintl phases with the compositions BaMg(4)Si(3) and BaMg(4)Ge(3) were found and structurally characterized. Both compounds are isotypic and crystallize with a new structure type [BaMg(4)Si(3), P4/mmm, Z = 1, a = 4.6115(9) Å, c = 8.615(2) Å; BaMg(4)Ge(3), P4/mmm, Z = 1, a = 4.6335(8) Å, c = 8.746(2) Å]. The
Zürcher F, Wengert S, Nesper R
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The Zintl Phase Eu2Si

Zeitschrift für anorganische und allgemeine Chemie, 2002
The Zintl phase Eu2Si was synthesized from elemental europium and silicon in a sealed tantalum tube in a high-frequency furnace at 1270 K and subsequent annealing at 970 K. Investigation of the sample by X-ray powder and single crystal techniques revealed: Co2Si (anti-PbCl2) type, space group Pnma, a = 783.0(1), b = 504.71(9), c = 937.8(1) pm, wR2 = 0 ...
Ratikanta Mishra, Rolf-Dieter Hoffmann, Rainer Pöttgen, Henning Trill, Bernd D. Mosel   +4 more
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The metallic Zintl phase Ba3Sn4As6

Solid State Sciences, 2001
Abstract The ternary Zintl compound barium tin arsenide, Ba3Sn4As6, has been synthesized at 950 °C, and its structure has been determined by single-crystal X-ray diffraction methods. It crystallizes in the monoclinic space group C2h5−P21/n with a=8.6374(10) A, b=18.3536(13) A, c=9.7209(11) A, β=90.05(2)°, and Z=4 at 22 °C.
Robert Lam, Arthur Mar
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The Zintl phases Sr2.2Mg11.8Ge7 and Sr5Mg19Ge12

Journal of Solid State Chemistry, 1991
Abstract Synthetic investigations of the SrxMg2−xGe section have been carried out in sealed Ta containers. These reveal, in addition to the known Mg2Ge, MgSrGe, and Sr2Ge, two new phases with the nominal compositions Sr2Mg12Ge7 and Sr5Mg19Ge12. The first is a line compound that is isostructural with Zr2Fe12P7 ( P 6 , Z = 1, a = 11.064 (1) A c =
Sharon J. Steinwand, Weir-Mirn Hurng, John D. Corbett   +2 more
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Zintl Phases with d-Metal

2013
exaly   +2 more sources

Hydrogenation properties of KSi and NaSi Zintl phases

Physical Chemistry Chemical Physics, 2012
The recently reported KSi-KSiH(3) system can store 4.3 wt% of hydrogen reversibly with slow kinetics of several hours for complete absorption at 373 K and complete desorption at 473 K. From the kinetics measured at different temperatures, the Arrhenius plots give activation energies (E(a)) of 56.0 ± 5.7 kJ mol(-1) and 121 ± 17 kJ mol(-1) for the ...
Wan Si, Tang, Jean-Noël, Chotard, Pascal, Raybaud, Raphaël, Janot   +3 more
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