Synthesis and characterization of a novel Y-Fe phase via kinetic neutron diffraction

Kinetic in situ neutron diffraction has been used to study the crystallization of amorphous Y67Fe33. The results show that partial crystallization first occurs close to 300 ◦C where the Y phase is formed. The entire sample crystallizes at 390 ◦C and new Bragg peaks appear, signifying the formation of a novel Y–Fe phase. This new phase coexists with Y to 450 ◦C when the Bragg peaks associated with this phase rapidly decrease in intensity and YFe2 also coexisting with Y, emerges as the final crystallization product. Rietveld refinement shows that the new phase crystallizes into a hexagonal structure, space group P63/mmc, with a = 12.8893(7) Å, c = 11.7006(9) Å and γ = 120◦

Neutron depolarization studies of Pd-Ni-Fe-P alloy

Bulk metallic glasses based on the quaternary alloy Pd-Ni-Fe-P exhibit interesting phase behavior depending on temperature and applied magnetic field. Previous work has suggested that a range of magnetic phases including paramagnetic, superparamagnetic, ferromagnetic and spin glass can be observed in this system. We have applied one dimensional neutron depolarization to explore the correlation of magnetic moments in Pd40Ni22.5Fe17.5P20 alloy as a function of temperature and applied magnetic field. The results provided evidence for correlation lengths of ~ 200 Å. The nature of the correlations and the formation mechanism of the induced ferromagnetic phase are discusse

The Choata Mandir Museum - Lord Buddha

The mission of The Choata Mandir Museum is to embrace the aesthetic quality in Hindu art while bringing peace an offering to anyone who visits. We respect the viewpoints of all religions while guiding artistic appreciation through Hindu religion. “Lord Buddha is a prince, and he was my favorite prince to worship when I was a child. Buddha is one of the most famous lords in the world, even in common American culture. My sisters and I would follow the many teaching of Buddha and take time in our daily life to reflect with Buddha to become better Hindus. I particularly loved Buddha’s teaching of selflessness and can remember fighting with my older sisters about who was the most selfless! Not very selfless. Some of Buddha’s other common teaching’s say: No Killing. No Stealing. No Lying. Have a Clear Mind. Respect the Life you are Given. Respect the Pure Nature.” - Mona Kajiji Kilcoyne | Indian Immigrant to Americ

Mapping Lower Austin Chalk Secondary Porosity Using Modern 3-D Seismic and Well Log Methods in Zavala County, Texas

Establishing fracture distribution and porosity trends is key to successful well design in a majority of unconventional plays. The Austin Chalk has historically been referred to as an unpredictable producer due to high fracture concentration and lateral variation in stratigraphy, however recent drilling activity targeting the lower Austin Chalk has been very successful. The Upper Cretaceous Austin Chalk (AC) and underlying Eagle Ford (EF) units are considered by many to act as a single hydrocarbon system, with communication between these two units largely through expulsion or dewatering fractures, extensional faults or along the AC/EF unconformity. Total porosity for the Eagle Ford is composed of a primary matrix component and secondary fracture porosity. For the Austin Chalk, the secondary porosity includes both dissolution and fracture components which complicate wireline and seismic interpretation. The current study interprets 40 square miles of modern 3D seismic data for horizons and faults using amplitude, coherence, curvature and ant tracking seismic attributes. Post stack acoustic impedance (AI) inversion is applied to the time migrated seismic volume with control from two wells; this input data is similar to that available to independent operators active in the area. Wireline acoustic impedance plotted against sonic and neutron-density porosity respectively, reveals strong correlations that allow calibration of seismic AI into primary, secondary and total porosity from which time slices and surface maps are created. Relationships are identified between porosity and geological features of interest, such as faulted and brittle zones, that may prove useful in guiding future well development in the lower Austin Chalk

The Choata Mandir Museum - The Mandir

The mission of The Choata Mandir Museum is to embrace the aesthetic quality in Hindu art while bringing peace an offering to anyone who visits. We respect the viewpoints of all religions while guiding artistic appreciation through Hindu religion. Mandir, means church in the English language. The Mandir is the physical building where Hindus worship respective gods and deities, some that are seen in this exhibit. It is structurally designed to bring humans beings and god together, using symbolism to express the ideas and beliefs of Hinduism. Mandir roots are structured in the Vedic Traditions