Anion-centered tetrahedra in inorganic compounds

SV Krivovichev, O Mentre, OI Siidra, M Colmont… - Chemical …, 2013 - ACS Publications
It is a common procedure in the description and evaluation of structures of inorganic
compounds to consider them in terms of coordination of cations, ie, as extended arrays of …

From Ln 2 O 2 S to Ln 10 OS 14: exploring the sulphur spectrum of trivalent lanthanoid oxysulphides

BAW Bille, JM Velázquez - Dalton Transactions, 2024 - pubs.rsc.org
While Ln2O2S oxysulphides have increasingly gained attention due to their structural and
optoelectronic properties, an expansive compositional space lies beyond as the sulphur-to …

Properties of oxysulfide phases and phase diagram of the Nd2S3–Nd2O3 system

SА Osseni, PO Andreev, AA Polkovnikov… - Journal of Solid State …, 2022 - Elsevier
We have determined the thermal characteristics and optical properties of the sulfide and
oxysulfide phases in the Nd 2 S 3-Nd 2 O 3 system. A congruent melting peak at …

Ln10S14O (Ln = La, Pr, Nd, Sm) Oxysulfides: A Series of Direct n-Type Semiconductors

BA Wuille Bille, AC Kundmann, FE Osterloh… - Chemistry of …, 2022 - ACS Publications
Lanthanoid oxysulfides are promising materials for technological applications owing to their
magnetic, photoluminescent, catalytic, and optoelectronic properties. Herein, we report the …

Synthesis and sintering of cerium (III) sulfide powders

S Hirai, K Shimakage, Y Saitou… - Journal of the …, 1998 - Wiley Online Library
Cerium (III) sulfide (Ce2S3) powder was synthesized via the sulfurization of ceria (CeO2)
powder using carbon disulfide gas. Single‐phase α‐Ce2S3 could be formed via …

Thermal decomposition of NH4SCN for preparation of Ln2S3 (Ln= La and Gd) by sulfurization

M Ohta, S Hirai, H Kato, VV Sokolov… - Materials …, 2009 - jstage.jst.go.jp
Rare-earth sulfides with a cubic Th3P4-type structure (-phase) have attracted considerable
attention over the past few decades because of their promising high-temperature …

Preparation and stabilization of γ-La2S3 at low temperature

LUO **xian, M Zhang, MA Lubin, P Yong - Journal of Rare Earths, 2011 - Elsevier
Eu doped γ-La 2 S 3 were synthesized by the sulfurization of their oxide powders using CS 2
gas at 700° C. During the sulfurizing reaction process, the cubic Eu 3 S 4 crystals of prior …

Low-temperature process of the cubic lanthanide sesquisulfides: remarkable stabilization of the γ-Ce 2 S 3 phasei

S Roméro, A Mosset, JC Trombe… - Journal of Materials …, 1997 - pubs.rsc.org
Upon treating the corresponding oxalates with carbon disulfide (p CS2= 130 Torr) at a
heating rate of 5° C min-1, it is shown that the cubic γ-phase of pure rare-earth …

Effect of some dopant elements on the low temperature formation of γ-Ce2S3

S Roméro, A Mosset, P Macaudiere… - Journal of alloys and …, 2000 - Elsevier
For the first time, it has been clearly shown that carbon is an excellent element to stabilize
the γ-phase of cerium sesquisulfide at a low temperature (around 800° C) by using CS2. The …

Preparation of R2S3 (R: La, Pr, Nd, Sm) powders by sulfurization of oxide powders using CS2 gas

M Ohta, H Yuan, S Hirai, Y Uemura… - Journal of alloys and …, 2004 - Elsevier
In the synthesis of La2S3 via the sulfurization of La2O3 powder using CS2 gas, La2O2S was
formed in the initial stage of reaction, and single-phase β-La2S3 were finally formed for a …