Phase-pure hexagonal and orthorhombic YFeO₃ nanopowders are synthesized by low-temperature solid-state reaction along with Zr doping. The obtained powders are characterized by X-ray diffraction, field emission scanning electron microscopy, and physical property measurements. The hexagonal YFeO₃ exhibits a narrower optical band gap in comparison to the orthorhombic one, while the orthorhombic YF...

The crystal structure of bovine pancreatic beta-trypsin (BPT) has been determined from a novel orthorhombic crystal form which contains substantially more solvent (filling 57% of the volume of the unit cell) than previously determined orthorhombic (44%) and trigonal (37%) BPT structures. The native and benzamidine-inhibited crystal structures of BPT in ammonium sulphate at pH 5.3 have been dete...

Thiol peroxidase (Tpx) is an atypical 2-Cys peroxiredoxin, which has been suggested to be important for cell survival and virulence in Gram-negative pathogens. The structure of a catalytically inactive version of this protein in an orthorhombic crystal form has been determined by molecular replacement. Structural alignments revealed that Tpx is conserved. Analysis of the crystal packing shows t...

The current research was focused on synthesizing potassium sodium niobate (KNN) piezoelectric ceramics for the system (K0.48Na0.52) NbO3   by high energy ball milling process for 15h at the speed of 300 rpm.  The blended nano-crystalline powder was calcined in conventional box furnace at 700oC, 800oC and 900oC for duration of 5h, 7h and 10h.  Diffraction result of calcine powder confirmed the f...

Related Articles Band gap of β-PtO2 from first-principles AIP Advances 2, 022172 (2012) Stability and migration of large oxygen clusters in UO2+x: Density functional theory calculations J. Chem. Phys. 136, 234702 (2012) First principles calculation of the electronic properties and lattice dynamics of Cu2ZnSn(S1−xSex)4 J. Appl. Phys. 111, 123704 (2012) Experimental and ab initio investigations o...

Defects in the layering of Langmuir-Blodgett (LB) films can be eliminated by depositing from the appropriate monolayer phase at the air-water interface. LB films deposited from the hexagonal phase of cadmium arachidate (CdA2) at pH 7 spontaneously transform into the bulk soap structure, a centrosymmetric bilayer with an orthorhombic herringbone packing. A large wavelength folding mechanism acce...

This study presents the structural and magnetic properties of melt-spun , , and alloys. Appreciable permanent-magnet properties with a magnetocrystalline anisotropy of about 9.6–16.5 , a magnetic polarization –10.6 kG, and coercivities –3.0 kOe were obtained by varying the composition of these alloys. Structural analysis reveals that the positions of x-ray diffraction peaks of show good agreeme...