Search Results - "Ryan, D. H"

Magnetic crystalline-symmetry-protected axion electrodynamics and field-tunable unpinned Dirac cones in EuIn2As2 by Riberolles, S. X. M., Trevisan, T. V., Kuthanazhi, B., Heitmann, T. W., Ye, F., Johnston, D. C., Bud’ko, S. L., Ryan, D. H., Canfield, P. C., Kreyssig, A., Vishwanath, A., McQueeney, R. J., Wang, L. -L., Orth, P. P., Ueland, B. G.

“…Knowledge of magnetic symmetry is vital for exploiting nontrivial surface states of magnetic topological materials. EuIn 2 As 2 is an excellent example, as it…”
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Complex magnetic ordering in EuAl4–A 151Eu Mössbauer study by Ryan, D. H., Kuthanazhi, Brinda, Jo, Na Hyan, Canfield, Paul C.

“…151Eu Mössbauer spectroscopy has been used to investigate the behaviour of EuAl4 through the four magnetic transitions that occur below 16 K. We find clear…”
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Constituent contribution to the magnetocrystalline anisotropy in Mn(Al1−xGax) by Liu, X. B., Ryan, D. H., Altounian, Z.

“…The phase stability and magnetocrystalline anisotropy (MCA) of tetragonal Mn(Al1−xGax) with the L10-type structure (P4/mmm) has been studied using…”
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151Eu Mössbauer study of magnetic ordering in flux-grown ferromagnetic and antiferromagnetic forms of EuCd2As2 by Ryan, D. H., Jo, Na Hyun, Kuthanazhi, Brinda, Bud’ko, Sergey L., Canfield, Paul C.

“…EuCd2As2 is a remarkably complex magnetic semimetal that may behave as a topological insulator or host two pairs of Weyl points, depending on the growth…”
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The relation of gender, race and socioeconomic status to obesity and obesity comorbidities in a sample of US adults by PAERATAKUL, S, LOVEJOY, J. C, RYAN, D. H, BRAY, G. A

“…To examine the obesity-related chronic diseases in the US adult population according to gender, race and socioeconomic status. Data from the 1994-1996…”
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The Magnetic and Crystal Structure of MnxGa (1.15 ≤ x ≤ 1.8) Alloys by Ryan, D. H., Yue, Ming, Boyer, C. B., Liu, X. B., Lu, Qingmei, Zhang, Hongguo, Li, Chenhui, Wang, Manli, Altounian, Z.

“…Neutron powder diffraction patterns measured above T C have been used to determine the location of the excess Mn in Mn x Ga (1.15 ≤ x ≤ 1.8). This information…”
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A neutron diffraction demonstration of long-range magnetic order in the quasicrystal approximant DyCd6 by Ryan, D. H., Cadogan, J. M., Kong, T., Canfield, P. C., Goldman, A. I., Kreyssig, A.

“…We have used neutron powder diffraction to demonstrate the existence of long-range antiferromagnetic order of Ising-like Dy moments in the DyCd6 quasicrystal…”
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Magnetic and structural transitions in EuAg4As2 studied using 151Eu Mössbauer spectroscopy by Ryan, D. H., Bud’ko, Sergey L., Hu, Chaowei, Ni, N.

“…151Eu Mössbauer spectroscopy confirms that the europium in EuAg4As2 is fully divalent and that the spectrum at 5 K consists of a single, sharp magnetic pattern…”
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A Mössbauer study of DyCrO4 and ErCrO4 by Stewart, G. A., Cadogan, J. M., Hutchison, W. D., Ryan, D. H.

“…Earlier Mössbauer investigations of rare earth chromates RCrO4 with R = Gd and Tm were interpreted in terms of a superposition of two sub-spectra (approx. 4:1…”
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Racial disparities in cardiovascular risk factor control in an underinsured population with Type 2 diabetes by Wang, Y., Katzmarzyk, P. T., Horswell, R., Zhao, W., Li, W., Johnson, J., Ryan, D. H., Hu, G.

“…Aim To investigate the race‐specific trend in attainment of the American Diabetes Association cardiovascular risk factor control goals (HbA1c <53 mmol/mol…”
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The first-order magnetoelastic transition in Eu2In: A 151Eu Mössbauer study by Ryan, D. H., Paudyal, Durga, Guillou, Francois, Mudryk, Yaroslav, Pathak, Arjun K., Pecharsky, Vitalij K.

“…Our 151Eu Mössbauer investigation of Eu2In and Eu2Sn shows that the europium in both materials is fully divalent. We confirm the distinct thermodynamic orders…”
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Effect of diet composition on energy expenditure during weight loss: the POUNDS LOST Study by Bray, G A, Smith, S R, DeJonge, L, de Souza, R, Rood, J, Champagne, C M, Laranjo, N, Carey, V, Obarzanek, E, Loria, C M, Anton, S D, Ryan, D H, Greenway, F L, Williamson, D, Sacks, F M

“…Background: Weight loss reduces energy expenditure, but the contribution of different macronutrients to this change is unclear. Hypothesis: We tested the…”
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Flat-plate single-crystal silicon sample holders for neutron powder diffraction studies of highly absorbing gadolinium compounds by Ryan, D. H., Cranswick, L. M. D.

“…The extreme absorption cross section of natural gadolinium has so far precluded routine neutron diffraction work on its alloys and compounds. However, it is…”
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Experimental and first-principles determination of the magnetocrystalline anisotropy in MnxGa by Liu, Xubo, Ryan, D H, Wang Manli, Lu Qingmei, Zhang, Hongguo, Yue, Ming, Altounian, Z

“…Singular point detection (SPD) for the determination of the anisotropy field (BA) using a conventional magnetometer is demonstrated. We then follow the…”
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Modulated magnetic structure in 57Fe doped orthorhombic YbMnO3: A Mössbauer study by Duttine, Mathieu, Wattiaux, Alain, Balima, Felix, Decorse, Claudia, Moutaabbid, Hicham, Ryan, D. H., Bonville, Pierre

“…In the orthorhombic manganites o-RMnO3, where R is a heavy rare earth (R = Gd-Yb), the Mn3+ sublattice is known to undergo two magnetic transitions. The low…”
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Assessing the Effects of Rearing Environment, Natural Selection, and Developmental Stage on the Emergence of a Behavioral Syndrome by Sweeney, Kayla, Gadd, Ryan D. H., Hess, Zachary L., McDermott, Donna R., MacDonald, Leigh, Cotter, Patrick, Armagost, Fawn, Chen, Jason Z., Berning, Aric W., DiRienzo, Nicholas, Pruitt, Jonathan N.

“…Although there is much interest in behavioral syndromes, very little is known about how syndromes are generated in wild populations. Here, we assess the roles…”
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Magnetic ground state of Dy3+ in DyNiAl4 by Hutchison, Wayne D., Stewart, Glen A., Cadogan, J. M., Princep, Andrew, Stewart, Ross, Ryan, D. H.

“…Previously, the bulk magnetisation of polycrystalline DyNiAl4 was found to reach barely half its expected saturation value with a 9 T applied field. New…”
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Crystal structure and magnetism of the MnxGa (1.15 ≤x ≤ 2.0) rare-earth-free permanent magnet system by Rejali Rasa, Ryan, D H, Altounian, Z, Boyer, C B, Lu Qingmei, Wang Manli, Zhang, Hongguo, Yue, Ming

“…Room temperature neutron powder diffraction has been used to investigate the chemical structure and magnetic ordering of a series of tetragonal (I4/mmm #139)…”
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The irreversible structural change in Mn1.1Fe0.9P0.8Ge0.2: Evidence for a magnetic driver by Liu, Xubo, Ryan, D. H., Cranswick, L. M. D., Liu, D. M., Zhang, H. G., Yue, Ming, Altounian, Z.

“…Neutron powder diffraction measurements complemented by first-principles density functional theory (DFT) calculations have been used to study the irreversible…”
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Mounting powder samples for sub-Kelvin neutron diffraction by Ryan, D. H., Swainson, I. P.

“…The increasing availability of 3He‐based cryostats is making it possible to add sub‐Kelvin capabilities to powder diffraction instruments. However, there are…”
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