Pulsed laser deposition growth of Fe3O4 on III–V semiconductors for spin injection

We report on the growth of thin layers of Fe3O4 on GaAs and InAs by pulsed laser deposition. It is found that Fe3O4 grows epitaxially on InAs at a temperature of 350 °C. X-ray photoelecton spectroscopy (XPS) studies of the interface show little if any interface reaction resulting in a clean epitaxial interface. In contrast, Fe3O4 grows in columnar fashion on GaAs, oriented with respect to the growth direction but with random orientation in the plane of the substrate. In this case XPS analysis showed much more evidence of interface reactions, which may contribute to the random-in-plane growth

Overcoming the Surge: How Clark v. City of Seattle Highlights the Conflicts Between Federal, State, and Local Labor Laws

The article examines the case Clark v. City of Seattle which addresses the advantages of regulating gig workers, particularly rideshare drivers, at the federal level while demonstrating how an amendment to the National Labor Relations Act (NLRA) accomplishes that regulation

Interprofessional Relationships

Interprofessional Relationship

Characterization of corn stover pelleted with soybean meal or dried distillers grains on lactating cow performance, eating behavior, and rumen function

The objective of this study was to determine the effects of alkali-treated corn stover pelleted with soybean meal (STV-SBM) or dried distillers grains (STV-DDG), on milk yield (MY), eating behavior and rumen fermentation in dairy cows. Fourty-five Holstein cows were used in replicated 5 × 5 Latin squares with 28-d periods, using a 2 × 2 + 1 augmented factorial arrangement of treatments. Diets were formulated to contain 10 or 15% corn stover-based pellets that replaced corresponding proportions of corn gluten feed pellets in the control diet. Treatments were: 1) Control (CON); 2) SBM10; 3) SBM15; 4) DDG10; and 5) DDG15. In each period, rumen pH was measured every 2 h for 24 h using 5 rumen-cannulated cows on d 21, and chewing behavior was visually recorded every 5 min for 24 h using 10 cows on d 27. Performance data were analyzed using the MIXED procedure of SAS and rumen data were analyzed as repeated measures. Overall, cows on CON diet had the greatest dry matter intake (DMI), 26.94 ± 0.49 kg/d, compared with 22.75 ± 0.49 kg/d for the average of the diets with experimental pellets. Cows on the CON diet produced 32.14 ± 0.70 kg milk/d whereas cows on the treatment diets produced 3.25 ± 0.70 less kg/d. Within diets containing pelleted stover, MY was greater in STV-SBM than STV-DDG by 0.45 ± 0.65 kg/d. Compared with CON, including 15% of either pelleted formulation increased milk production efficiency from 1.21 to 1.31. Concentration and yield of milk protein and lactose were decreased for all diets with pelleted stover relative to CON. For both pellet formulations, the inclusion level of 10% resulted in greater percentage and yield of fat, protein, and lactose than the 15% inclusion rate. Feeding STV-SBM resulted in greater milk fat concentration than CON and STV-DDG. Milk urea nitrogen tended to be lower in STV-DDG relative to STV-SBM. Cows fed the CON diet spent the least amount of time per kg of DMI compared with all other diets (8.0 vs. 10.76 ± 0.80 min/kg DMI). Cows consuming 15% spent more time eating compared with 10% inclusion level and displayed sorting behavior. Ruminating time was similar regardless of base and inclusion level. Despite differences in performance, mean rumen pH, ammonia concentration, total VFA concentration, acetate to propionate ratio, and rumen kinetics were similar among all diets. Dry matter and organic matter digestibility were decreased by corn stover-based pellets, except for DDG10; digestibility of crude protein was decreased in all treatments relative to CON and an interaction for fiber digestibility was observed where DDG10 had the greatest NDF and ADF digestibility. Nitrogen excretion via urine was reduced when cows consumed pelleted corn stover with DDGS whereas milk nitrogen was similar for both pellet formulations. Feeding corn stover pelleted with SBM or DDG affected cow eating behavior, which resulted in reduced milk yield associated with a decrease in DMI without negative effects on rumen health. Further refinement of pellet size, hardness, or inclusion level may be warranted to effectively incorporate pelleted corn stover in dairy rations

Teaching Children About Social Justice Through Picture Books

Boys can\u27t play with dolls! A girl can\u27t be a doctor! Those people look weird! He\u27s to dumb to play with us! My mommy says I can\u27t play with you! Unfortunately, phrases like this can be heard on a typical elementary school playground. As teachers, we have the difficult task of teaching about social justice and working to uproot prejudice and discrimination

Moms Support Group: Lack of Support to Moms Postpartum

This service learning project is centered on organizing and running a mom support group regularly to provide moms with the chance to assist one another in a safe atmosphere for their recovery following childbirth. Additionally, I created a social media page on the platform found on Instagram for this support group so that moms may communicate frequently and follow and interact to join for upcoming events. The project will benefit the moms by helping them make more meaningful connections and feel more supported during this time. Navigating parenting while maintaining all aspects of your life can be difficult. Going through similar experiences and getting assistance from others has proven helpful

Student Experience in Brett Hall: A Case Study of Renovations to Facilitate Inclusion

Accessibility cannot be achieved through a one-size fits all approach. In order to create universally inclusive environments, thoughtful design must be incorporated to provide individuals with spaces that foster thriving and positively contribute to well-being. This study investigates how accessibility renovations using inclusive design impact the experience of students in the university residential life setting. This is achieved through a case study of the student experience living in Brett Hall dormitory at the University of Massachusetts Amherst, which was recently renovated to accommodate students with a range of complex needs. To provide a comprehensive case, this study includes the analysis of floor plans, photos, walkthrough notes, and interviews with two staff members and two students who currently live in the residence hall. Individual semi-structured interviews were conducted with two UMass students that currently live in Brett Hall to investigate how the renovations influence their experiences and the meaning they attribute to their living space. These findings contribute to university planners’ understanding of how to renovate existing residential facilities to be more universally accessible for all students. Creating spaces that are accessible to everyone is a critical step in understanding how the college experience can be maximized for all students, especially those living with disabilities

Natives, a collection of fiction and poetry

An anthology of poetry and short fiction by Paul Clayton Brooke