Chapter 48 Crystal structures and crystal chemistry of ternary rare earth-transition metal borides silicides and homologues

1984 ◽  
pp. 113-334 ◽  
Author(s):  
E. Parteé ◽  
B. Chabot
Keyword(s):  
Rare Earth ◽  
Transition Metal ◽  
Crystal Structures ◽  
Crystal Chemistry ◽  
Metal Borides

scholarly journals Magnetic properties of rare‐earth transition‐metal borides

1988 ◽  
Vol 63 (8) ◽  
pp. 3704-3706 ◽  
Author(s):  
S. H. Aly ◽  
E. Singleton ◽  
G. C. Hadjipanayis ◽  
D. J. Sellmyer ◽  
Z. R. Zhao
Keyword(s):  
Magnetic Properties ◽  
Rare Earth ◽  
Transition Metal ◽  
Metal Borides

NEW INTERMETALLIC COMPOUNDS IN THE TERNARY SYSTEM Yb-T-Al (T=Ag, Au, Pd, Pt)

1993 ◽  
Vol 07 (01n03) ◽  
pp. 391-394 ◽  
Author(s):  
G. CORDIER ◽  
R. HENSELEIT
Keyword(s):  
Crystal Structure ◽  
Rare Earth ◽  
Transition Metal ◽  
Ternary System ◽  
Crystal Structures ◽  
Intermetallic Compounds ◽  
Structural Characteristics ◽  
Type Structure ◽  
Structural Elements ◽  
New Compounds

Structural characteristics of a number of ternary rare earth/transition metal/aluminium compounds are hexagonal nets of the AlB 2-type, Kagomé nets and tetragonal pyramides. Crystal structures of the new compounds in the ternary Yb-T-Al systems contain units and sections of them. Kagomé nets stacked in an ..ABAB.. sequence are observed in YbAg1.5Al0.5 ( MgZn 2-type). The crystal structure of Yb8Ag21Al45 is related to the BaHg 11-type. YbAu0.8Al3.2 ( CaZn 2 Al 2-type) contains tetragonal pyramides which are connected by common edges. Fragments of the AlB 2- and BaAl 4-type structure are present in Yb5Au15Al16. YbPdAl2 and YbPtAl2 ( YbPdAl 2-type) contain pentagonal prisms as the characteristic structural elements.

Dy3Co6Sn5 – a New Stannide with an Ordered La3Al11 Type Structure

1995 ◽  
Vol 50 (2) ◽  
pp. 175-179 ◽  
Author(s):  
Rainer Pöttgen
Keyword(s):  
Rare Earth ◽  
Transition Metal ◽  
Single Crystal ◽  
Crystal Chemistry ◽  
Title Compound ◽  
Type Structure ◽  
Orthorhombic Space Group ◽  
X Ray ◽  
Arc Melting ◽  
New Type

The title compound has been obtained by arc-melting of the elemental components and subsequent annealing at 800 °C. It crystallizes in the orthorhombic space group Immm, a = 430.3(1), b = 1235.0(2), c = 967.6(3) pm, V = 0.5142(2) nm3, Z = 2. The structure has been determined from single-crystal X-ray data and refined to R = 0.0181 for 747 F2 values and 28 variables. It is of a new type and can be described as a ternary ordered version of the binary La3Al11-type structure. Dy3Co6Sn5 is built up from DyCo2Sn2 and DyCo2Sn slabs with ThCr2Si2 and Cu3Au-like atomic arrangements, respectively. Its crystal chemistry is compared with that of structurally related rare earth transition metal gallides.

Discovery of elusive structures of multifunctional transition-metal borides

Nanoscale ◽  
2016 ◽  
Vol 8 (2) ◽  
pp. 1055-1065 ◽  
Author(s):  
Yongcheng Liang ◽  
Zhaobing Wu ◽  
Xun Yuan ◽  
Wenqing Zhang ◽  
Peihong Zhang
Keyword(s):  
Transition Metal ◽  
Crystal Structures ◽  
Functional Materials ◽  
Important Prerequisite ◽  
Metal Borides

A definitive determination of crystal structures is an important prerequisite for designing and exploiting new functional materials. We find that the long-assumed TMB2phases of multifunctional tungsten and molybdenum borides are in fact a family of complex TMB3polytypes.

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