Structures by: Kumada N.

Total: 66

(Sr0.75Bi0.25)2Bi2O6.83

Bi2.5O6.83Sr1.5

Saiduzzaman, M.Hossain, K.M.Kumada, N.Yanagida, S.Takei, T.Hanada, Y.Nagao, M.Azuma, M.

Journal of the Ceramic Society of Japan (2020) 128, 660-663

a=11.0195(2)Å   b=11.0195(2)Å   c=11.0195(2)Å

α=90.000000°   β=90.000000°   γ=90.000000°

BiOHSO4

BiHO5S

Yamamoto, Y.Withanage, W.I.U.Takei, T.Yanagida, S.Kumada, N.Yamane, H.

Journal of the Ceramic Society of Japan (2018) 126, 1005-1012

a=6.4470(1)Å   b=7.2778(1)Å   c=8.6251(2)Å

α=90°   β=106.711(1)°   γ=90°

MgTiTa2O8

Mg0.25O2Ta0.5Ti0.25

Kumada, N.Nakanome, K.Yanagida, S.Takei, T.Fujii, I.Wada, S.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2018) 6, 247-253

a=4.6876(2)Å   b=4.6876(2)Å   c=9.1385(3)Å

α=90°   β=90°   γ=90°

MgTiNb2O8

Mg0.25Nb0.5O2Ti0.25

Kumada, N.Nakanome, K.Yanagida, S.Takei, T.Fujii, I.Wada, S.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2018) 6, 247-253

a=4.69585(8)Å   b=4.69585(8)Å   c=3.04260(6)Å

α=90°   β=90°   γ=90°

ZnTiNb2O8

Nb0.5O2Ti0.25Zn0.25

Kumada, N.Nakanome, K.Yanagida, S.Takei, T.Fujii, I.Wada, S.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2018) 6, 247-253

a=4.67138(6)Å   b=5.65916(7)Å   c=5.00745(6)Å

α=90°   β=90°   γ=90°

ZnTiTa2O8

O2Ta0.5Ti0.25Zn0.25

Kumada, N.Nakanome, K.Yanagida, S.Takei, T.Fujii, I.Wada, S.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2018) 6, 247-253

a=4.6987(7)Å   b=4.6987(7)Å   c=9.1296(1)Å

α=90°   β=90°   γ=90°

Ag0.41Nb0.59O1.68

Ag0.41Nb0.59O1.68

Withanage, I.Kumada, N.Takei, T.Yanagida, S.Kuroiwa, Y.Moriyoshi, C.

Journal of the Ceramic Society of Japan (2017) 125, 776-778

a=5.286(3)Å   b=5.286(3)Å   c=5.286(3)Å

α=90°   β=90°   γ=90°

Ag0.93TaO2.97 0.94H2O

Ag0.93H1.88O3.91Ta

Withanage, I.Kumada, N.Takei, T.Yanagida, S.Kuroiwa, Y.Moriyoshi, C.

Journal of the Ceramic Society of Japan (2017) 125, 776-778

a=10.4500(3)Å   b=10.4500(3)Å   c=10.4500(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.810(6)Å   b=10.188(5)Å   c=10.398(5)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.809(4)Å   b=10.150(3)Å   c=10.376(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.809(4)Å   b=10.080(5)Å   c=10.294(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.805(4)Å   b=10.080(5)Å   c=10.280(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.806(3)Å   b=10.057(3)Å   c=10.267(3)Å

α=90°   β=90°   γ=90°

Cd0.37Bi0.63O1.79

Bi0.63Cd0.37O1.79

Kumada, N.Miura, A.Takei, T.Nishimoto, S.Kameshima, Y.Miyake, M.Kuroiwa, Y.Moriyoshi, C.

Journal of Asian Ceramic Societies (2015) 3, 251-254

a=5.4110(4)Å   b=5.4110(4)Å   c=5.4110(4)Å

α=90°   β=90°   γ=90°

CdBi2O6

Bi2CdO6

Kumada, N.Miura, A.Takei, T.Nishimoto, S.Kameshima, Y.Miyake, M.Kuroiwa, Y.Moriyoshi, C.

Journal of Asian Ceramic Societies (2015) 3, 251-254

a=9.3641(7)Å   b=9.3641(7)Å   c=4.9523(3)Å

α=90°   β=90°   γ=120°

Pb1/3Bi2/3O1.4

Bi0.667O1.4Pb0.333

Kumada, N.Miura, A.Takei, T.Yashima, M.

Journal of Asian Ceramic Societies (2014) 2, 150-153

a=5.532(1)Å   b=5.532(1)Å   c=5.532(1)Å

α=90°   β=90°   γ=90°

SrBi2O6

Bi2O6Sr

Kumada, N.Miura, A.Takei, T.Yashima, M.

Journal of Asian Ceramic Societies (2014) 2, 150-153

a=5.5406(6)Å   b=5.5406(6)Å   c=5.340(1)Å

α=90°   β=90°   γ=120°

Ni0.25Ti0.25Ta0.5O2

Ni0.25O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.6946(2)Å   b=4.6946(2)Å   c=9.0829(3)Å

α=90°   β=90°   γ=90°

Ni0.2Co0.05Ti0.25Ta0.5O2

Co0.05Ni0.2O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.6973(2)Å   b=4.6973(2)Å   c=9.0891(4)Å

α=90°   β=90°   γ=90°

Ni0.15Co0.1Ti0.25Ta0.5O2

Co0.1Ni0.15O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.6989(3)Å   b=4.6989(3)Å   c=9.0940(4)Å

α=90°   β=90°   γ=90°

Ni0.1Co0.15Ti0.25Ta0.5O2

Co0.15Ni0.1O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.6998(3)Å   b=4.6998(3)Å   c=9.0986(3)Å

α=90°   β=90°   γ=90°

Co0.25Ti0.25Ta0.5O2

Co0.25O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.7065(2)Å   b=4.7065(2)Å   c=9.1164(4)Å

α=90°   β=90°   γ=90°

Ni0.05Co0.2Ti0.25Ta0.5O2

Co0.2Ni0.05O2Ta0.5Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.7024(2)Å   b=4.7024(2)Å   c=9.1061(4)Å

α=90°   β=90°   γ=90°

Co0.25Ti0.25Nb0.5O2

Co0.25NbO2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.70411(2)Å   b=4.70411(2)Å   c=3.03242(1)Å

α=90°   β=90°   γ=90°

Ni0.25Ti0.25Nb0.5O2

Nb0.5Ni0.25O2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.69413(2)Å   b=4.69413(2)Å   c=3.02187(1)Å

α=90°   β=90°   γ=90°

Ni0.15Co0.1Ti0.25Nb0.5O2

Co0.1Nb0.5Ni0.15O2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.69859(2)Å   b=4.69859(2)Å   c=3.02607(1)Å

α=90°   β=90°   γ=90°

Ni0.2Co0.05Ti0.25Nb0.5O2

Co0.05Nb0.5Ni0.2O2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.69708(2)Å   b=4.69708(2)Å   c=3.02426(2)Å

α=90°   β=90°   γ=90°

Ni0.1Co0.15Ti0.25Nb0.5O2

Co0.15Nb0.5Ni0.1O2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.70025(2)Å   b=4.70025(2)Å   c=3.02805(2)Å

α=90°   β=90°   γ=90°

Ni0.05Co0.2Ti0.25Nb0.5O2

Co0.2Nb0.5Ni0.05O2Ti0.25

Kumada, N.Koike, N.Nakanome, K.Yanagida, S.Takei, T.Miura, A.Magome, E.Moriyoshi, C.Kuroiwa, Y.

Journal of Asian Ceramic Societies (2017) 289, 5-284

a=4.70240(2)Å   b=4.70240(2)Å   c=3.03052(1)Å

α=90°   β=90°   γ=90°

BaCa2MgSi2O8

BaCa2MgO8Si2

Park, C.-H.Kim, T.-H.Yonesaki, Y.Kumada, N.

Journal of Solid State Chemistry (2011) 184, 1566-1570

a=5.42708(5)Å   b=5.42708(5)Å   c=6.79455(7)Å

α=90°   β=90°   γ=120°

HoPSO9H8NC

CH8HoNO9PS

Kumada, N.Kumon, J.Miyagawa, K.Yonesaki, Y.Takei, T.Kinomura, N.Wang, D.Yu, R.

Journal of the Ceramic Society of Japan (2010) 118, 236-240

a=12.938(5)Å   b=6.834(3)Å   c=9.100(2)Å

α=90°   β=88.12(2)°   γ=90°

(NH4)Zr2(PO4)3

H4NO12P3Zr2

Kumada, N.Hinata, J.Dong, Q.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2011) 119, 412-416

a=10.198(1)Å   b=10.198(1)Å   c=10.198(1)Å

α=90°   β=90°   γ=90°

(NH4)2[Zr2(OH)2(PO4)2(HPO4)]

H11N2O14P3Zr2

Kumada, N.Hinata, J.Dong, Q.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2011) 119, 412-416

a=17.093(4)Å   b=8.748(2)Å   c=9.216(2)Å

α=90°   β=103.69(2)°   γ=90°

Ba0.96Bi0.86O2.59(OH)0.41

Ba0.96Bi0.86H0.41O3

Jiang, H.Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 214-216

a=4.2995(5)Å   b=4.2995(5)Å   c=4.2995(5)Å

α=90°   β=90°   γ=90°

Na0.39Bi3.47O7 pyrochlore

Bi3.47Na0.39O7

Kinomura, N.Hosoda, M.Kumada, N.Kojima, H.

Journal of the Ceramic Society of Japan (1993) 101, 966-968

a=10.943(8)Å   b=10.943(8)Å   c=10.943(8)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.814(4)Å   b=10.123(3)Å   c=10.348(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.808(3)Å   b=10.055(3)Å   c=10.267(3)Å

α=90°   β=90°   γ=90°

Ag (Bi O3)

AgBiO3

Kumada, N.Sleight, A.W.Takahashi, N.Kinomura, N.

Special Publication - Royal Society of Chemistry (1999) 239, 212-217

a=5.641Å   b=5.641Å   c=16.118Å

α=90°   β=90°   γ=120°

Bi3.33O10V2

Bi3.33O10V2

Kumada, NTakei, THaramoto, RYonesaki, YDong, QKinomura, NNishimoto, SKameshima, YMiyake, M

Materials Research Bulletin (2011) 46, 962-965

a=7.1135(14)Å   b=7.8442(15)Å   c=9.3719(18)Å

α=106.090(7)°   β=94.468(7)°   γ=112.506(8)°

Na V3 (P3 O12)

NaO12P3V3

Kinomura, N.Muto, F.Kumada, N.Matsui, N.

Journal of Solid State Chemistry (1989) 79, 232-237

a=10.488Å   b=13.213Å   c=6.455Å

α=90°   β=90°   γ=90°

Li0.58NbO2

Li0.58NbO2

Kumada, N.Muramatu, S.Kikkawa, S.Muto, F.Kinomura, N.Koizumi, M.

Journal of Solid State Chemistry (1988) 73, 33-39

a=2.912Å   b=2.912Å   c=10.46Å

α=90°   β=90°   γ=120°

Cs3 Nb5 (Nb0.56 Fe0.44) O16

Cs3Fe0.44Nb5.56O16

Kumada, N.Hosokawa, Y.Takei, T.Kinomura, N.

Materials Research Bulletin (2002) 37, 775-781

a=10.47Å   b=7.514Å   c=21.312Å

α=90°   β=90°   γ=90°

Fe Co (P O4) F

CoFFeO4P

Yu, RanboWang, DanTakei, TakahiroKoizumi, HitoshiKumada, NobuhiroKinomura, Nobukazu

Journal of the Society of Inorganic Materials, Japan (2002) 9, 297 99-104

a=12.968Å   b=6.444Å   c=9.818Å

α=90°   β=118.27°   γ=90°

K1.15 (Nb0.67 Ti7.33 O16)

K1.15Nb0.67O16Ti7.33

Kumada, N.Takei, T.Hirose, K.Kinomura, N.

Journal of the Ceramic Society of Japan (2003) 111, 1293 352-356

a=10.226Å   b=10.226Å   c=2.974Å

α=90°   β=90°   γ=90°

(Ba Sr Ca) Mg (Si2 O8)

BaCaMgO8Si2Sr

Yonesaki, Y.Takei, T.Kinomura, N.Kumada, N.

Journal of Solid State Chemistry (2009) 182, 547-554

a=5.4647Å   b=5.4647Å   c=6.9105Å

α=90°   β=90°   γ=120°

Sr3 Mg (Si2 O8)

MgO8Si2Sr3

Yonesaki, Y.Takei, T.Kumada, N.Kinomura, N.

Journal of Solid State Chemistry (2009) 182, 547-554

a=13.877Å   b=5.4577Å   c=9.452Å

α=90°   β=90°   γ=90°

Ca (Nb2 O4)

CaNb2O4

Kumada, N.Kinomiura, N.

Journal of Solid State Chemistry (1999) 147, 671-675

a=5.054Å   b=11.904Å   c=5.839Å

α=90°   β=90°   γ=90°

Mg4Nb2O9

Mg4Nb2O9

Kumada, N.Taki, K.Kinomura, N.

Materials Research Bulletin (2000) 35, 1017-1021

a=5.1612Å   b=5.1612Å   c=14.028Å

α=90°   β=90°   γ=120°

Na (Bi O3)

BiNaO3

Kumada, N.Kinomura, N.Sleight, A.W.

Materials Research Bulletin (2000) 35, 2397-2402

a=5.5672Å   b=5.5672Å   c=15.989Å

α=90°   β=90°   γ=120°

Bi8 (Cr O4) O11

Bi8CrO15

Kumada, N.Takei, T.Kinomura, N.Wallez, G.

Journal of Solid State Chemistry (2006) 179, 793-799

a=9.657Å   b=11.934Å   c=13.868Å

α=90°   β=104.14°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.814(4)Å   b=10.111(4)Å   c=10.334(4)Å

α=90°   β=90°   γ=90°

Potassium acidic niobate hydrate

Nb8O24,0.13(O32),25.92(O0.08),17.14(H),42.24(K0.08)

Smirnova, O.Kumada, N.Takei, T.Yonesaki, Y.Yashima, M.Kinomura, N.

Acta Crystallographica Section B (2010) 66, 6 594-602

a=10.6554(2)Å   b=10.6554(2)Å   c=10.6554(2)Å

α=90.000°   β=90.000°   γ=90.000°

K0.71NbO3.5

K0.71NbO3.5

Smirnova, O.Kumada, N.Takei, T.Yonesaki, Y.Yashima, M.Kinomura, N.

Acta Crystallographica Section B (2010) 66, 6 594-602

a=10.635(4)Å   b=10.635(4)Å   c=10.635(4)Å

α=90°   β=90°   γ=90°

K0.67NbO3.5

K0.67NbO3.5

Smirnova, O.Kumada, N.Takei, T.Yonesaki, Y.Yashima, M.Kinomura, N.

Acta Crystallographica Section B (2010) 66, 6 594-602

a=10.665(8)Å   b=10.665(8)Å   c=10.665(8)Å

α=90°   β=90°   γ=90°

K0.72NbO3.5

K0.72NbO3.5

Smirnova, O.Kumada, N.Takei, T.Yonesaki, Y.Yashima, M.Kinomura, N.

Acta Crystallographica Section B (2010) 66, 6 594-602

a=10.645(4)Å   b=10.645(4)Å   c=10.645(4)Å

α=90°   β=90°   γ=90°

CsLaNb2O7

CsLaNb2O7

Kumada, N.Kinomura, N.Sleight, A. W.

Acta Crystallographica Section C (1996) 52, 5 1063-1065

a=3.908(1)Å   b=3.908(1)Å   c=11.160(4)Å

α=90°   β=90°   γ=90°

H67.50Ce9F18N10.50O27

H67.50Ce9F18N10.50O27

Yu, RanboWang, DanKumada, NobuhiroKinomura, Nobukazu

Chemistry of Materials (2000) 12, 12 3527-3529

a=15.252(8)Å   b=15.2516Å   c=10.749(4)Å

α=90°   β=90°   γ=120°

C4H68N6O22P4Zr3

C4H68N6O22P4Zr3

Wang, DanYu, RanboKumada, NobuhiroKinomura, Nobukazu

Chemistry of Materials (2000) 12, 4 956-960

a=9.383(3)Å   b=9.923(3)Å   c=8.342(2)Å

α=97.85(2)°   β=111.75(2)°   γ=113.01(2)°

Bi3Cr2HO11

Bi3Cr2HO11

Kodialam, S.Kumada, N.Mackay, R.Sleight, A. W.

European Journal of Solid State and Inorganic Chemistry (1994) 31, 739-746

a=5.527(7)Å   b=12.214(3)Å   c=14.003(3)Å

α=90°   β=92.95(2)°   γ=90°

K6Nb10.9O30

K6Nb10.9O30

Kumada, N.Kinomura, N.

European Journal of Solid State and Inorganic Chemistry (1997) 34, 65-72

a=12.582(1)Å   b=12.582(1)Å   c=3.992(3)Å

α=90°   β=90°   γ=90°

Mg5Nb4O15

Mg5Nb4O15

Kumada, N.Yonesaki, Y.Takei, T.Kinomura, N.

Journal of the Ceramic Society of Japan (2009) 117, 489-493

a=3.815(5)Å   b=10.097(5)Å   c=10.314(3)Å

α=90°   β=90°   γ=90°

(Li1.2 Cu.8) Ta2 O6

Cu0.8Li1.2O6Ta2

Kumada, N.Hosoda, S.Kinomura, N.Muto, F.

Inorganic Chemistry (1989) 28, 3592-3595

a=5.176Å   b=5.176Å   c=13.81Å

α=90°   β=90°   γ=120°

(N H4)3 (Zr (O H)2 (P O4) (H P O4))

H15N3O10P2Zr

Wang, D.Yu, R.Kajiyoshi, K.Takei, T.Onda, A.Yanagisawa, K.Kinomura, N.Kumada, N.

Chemistry Letters (2002) 2002, 398-399

a=8.1432Å   b=12.718Å   c=5.2463Å

α=91.85°   β=92.16°   γ=74.25°

NaNbO3

NaNbO3

Kumada, N.Kinomura, N.Muto, F.

Journal of the Ceramic Society of Japan (1990) 98, 1136 384-388

a=5.335Å   b=5.335Å   c=15.611Å

α=90°   β=90°   γ=120°

LiNbO3

LiNbO3

Kumada, N.Kinomura, N.Muto, F.

Journal of the Ceramic Society of Japan (1990) 98, 1136 384-388

a=5.212Å   b=5.212Å   c=14.356Å

α=90°   β=90°   γ=120°

BiO2

BiO2

Kumada, N.Kinomura, N.Woodward, P. M.Sleight, A. W.

Journal of Solid State Chemistry (1995) 116, 281-285

a=12.3668Å   b=5.1180Å   c=5.5670Å

α=90°   β=107.838°   γ=90°