Výsledky vyhledávání - "H.C. Hamaker"

Superconductivity and magnetism in the Ho1−xErxRh4B4alloy system

Autor: Z. Fisk, M. B. Maple, S. K. Sinha, W. C. Koehler, H.C. Hamaker, G. W. Crabtree, D. G. Hinks, L. D. Woolf, Herbert A. Mook, D.C. Johnston

Publikováno v: Journal of Applied Physics. 53:2614-2618

We have used neutron scattering techniques to examine the magnetic transitions in the Ho1−xErxRh4B4 pseudoternary system. A wide variety of behavior is found, ranging from mean‐field behavior for HoRh4B4 to complicated behavior for ErRh4B4, where

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::783df0226c85c19a38ede44cf483cef2
https://doi.org/10.1063/1.330915

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Neutron-diffraction study of the magnetic superconductorsDy(RuxRh1−x)4B4

Autor: C. F. Majkrzak, Gen Shirane, K. Motoya, H.C. Hamaker, M. B. Maple

Publikováno v: Physical Review B. 30:3743-3749

Powder neutron-diffraction measurements have been performed for several concentrations on the system Dy(Ru/sub x/Rh/sub 1-x/)/sub 4/B/sub 4/, which displays varied and interesting types of magnetic and superconducting behavior. For the concentration

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::775e227850e5ff2dd2e0b2bc261cd6f1
https://doi.org/10.1103/physrevb.30.3743

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Neutron-diffraction study of the magnetic ordering in superconducting NdRh4B4

Autor: H.C. Hamaker, C. F. Majkrzak, D. E. Cox, Z. Fisk, M. B. Maple, Herbert A. Mook, H. B. MacKay, Gen Shirane

Publikováno v: Physical Review B. 26:245-249

The results of neutron-diffraction measurements are reported which confirm the development of long-range magnetic order in superconducting Nd${\mathrm{Rh}}_{4}$${\mathrm{B}}_{4}$. Two distinct antiferromagnetic transitions occur below the superconduc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bb1cc73982655ab06a56158f696ae4c
https://doi.org/10.1103/physrevb.26.245

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A new family of ternary intermetallic superconducting/magnetic stannides

Autor: L.D. Woolf, G.P. Espinosa, W. Thomlinson, D.B. McWhan, H. Barz, H.C. Hamaker, Gen Shirane, J.M. Vandenberg, J. P. Remeika, Z. Fisk, J.M. Rowell, A.S. Cooper, M. B. Maple, David E. Moncton

Publikováno v: Remeika, JP; Espinosa, GP; Cooper, AS; Barz, H; Rowell, JM; McWhan, DB; et al.(1980). A new family of ternary intermetallic superconducting/magnetic stannides. Solid State Communications, 34(12), 923-926. doi: 10.1016/0038-1098(80)91099-6. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/65q232jb

A new family of rare earth-rhodium-tin intermetallic compounds, with the representative formula (RE)Rh x Sn y , has been synthesized in single crystal form. The compounds containing the heavier rare earths are superconducting and those with the light

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6168974eacc926305450852f75aa3a5f
https://doi.org/10.1016/0038-1098(80)91099-6

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Anomalies in the surface impedance penetration depth in ferromagnetic superconductors

Autor: C.Y. Huang, J.P. Whitehead, C.E. Olsen, G. Kozlowski, F. E. Wang, H.C. Hamaker, Hideki Matsumoto, M.S. Torikachvili, Hiroomi Umezawa, F. Mancini, M. B. Maple

Publikováno v: Solid State Communications. 54:221-225

We have investigated the surface impedance penetration depth, Λ, of ErRh 4 B 4 and Er 0.5 Ho 0.5 Rh 4 B 4 both experimentally and theoretically. For ErRh 4 B 4 , owing to the critical spin fluctuations just above T s ( > T c 2 ), the critical temper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::543a5049fc78846b28ae0c9db643fa56
https://doi.org/10.1016/0038-1098(85)91070-1

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Superconductivity and magnetism in the pseudoternary system Dy(Rux Rh 1?x)4B4

Autor: M. B. Maple, H.C. Hamaker

Publikováno v: Journal of Low Temperature Physics. 51:633-653

The pseudoternary system Dy(RuxRh1−x)4B4 has been studied by means of ac magnetic susceptibility, electrical resistance, heat capacity, static magnetic susceptibility, and magnetization measurements. A low-temperature phase diagram was determined f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb0f82630769deb3856f16d0a342c4a6
https://doi.org/10.1007/bf00683232

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Low temperature heat capacity of rare earth molybdenum sulfides

Autor: M. Tovar, L.D. Woolf, H.C. Hamaker, M. B. Maple

Publikováno v: Physics Letters A. 74:363-366

Pronounced anomalies in the heat capacity of Gd 1.2 Mo 6 S 8 , and probably Dy 1.2 Mo 6 S 8 are associated with the previously reported antiferromagnetic transition which occurs in the superconducting state in each of these compounds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74c97761d6be9cc04357db0cd77a3cda
https://doi.org/10.1016/0375-9601(79)90821-1

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Interaction between superconductivity and magnetism in the pseudoternary system (Lu1−xHox)Rh4B4

Autor: D.C. Johnston, M. B. Maple, H. B. MacKay, L.D. Woolf, H.C. Hamaker

Publikováno v: Journal of the Less Common Metals. 62:251-263

The boundaries between the normal paramagnetic, superconducting and normal magnetically ordered phases in the tetragonal pseudoternary rare earth system (Lu 1− x Ho x )Rh 4 B 4 have been established by means of a.c. magnetic susceptibility measurem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::48a60b191aa6945f7489f80c6ce81c7a
https://doi.org/10.1016/0022-5088(78)90038-3

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Epitaxial growth of fcc Cr on Au(100)

Autor: B. W. Batterman, L. E. Berman, Stephen M. Durbin, M.B. Brodsky, H.C. Hamaker

Publikováno v: Physical Review B. 37:6672-6675

Synchrotron x-ray diffraction and anomalous dispersion measurements of 25A Cr layers epitaxially grown on (100) Au surfaces indicate the presence of fcc Cr domains, while extended x-ray absorption fine-structure spectra are consistent with the usual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5e67c52ab5b26e22131fefb07190c4f
https://doi.org/10.1103/physrevb.37.6672

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Coexistence of superconductivity and antiferromagnetic order in SmRh4B4

Autor: H. B. MacKay, L.D. Woolf, H.C. Hamaker, M. B. Maple, Z. Fisk

Publikováno v: Hamaker, HC; Woolf, LD; MacKay, HB; Fisk, Z; & Maple, MB. (1979). Coexistence of superconductivity and antiferromagnetic order in SmRh4B4. Solid State Communications, 32(4), 289-294. doi: 10.1016/0038-1098(79)90949-9. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/4ms4d2dh

The ternary rare earth compound SmRh4B4 has been studied by means of upper critical field, low temperature specific heat, and static magnetic susceptibility measurements. A lambda-type specific heat anomaly, a discontinuity in the slope of the upper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::436426a7dc175f19335c91dd3e960947
https://doi.org/10.1016/0038-1098(79)90949-9

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